COGENT INTERNATIONAL LIMITED

Cogent Communications, LLC
Data as of 2026-09-13
GLEIF verified
Complete entity footprint
2 linked clusters · 5,368 netblocks · 137,575,984 IPv4 addresses · 641 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain cogentco.com — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
213800B61KHO7ZN59E64
Registered name
COGENT INTERNATIONAL LIMITED
Jurisdiction
GB
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks5,238 · 38,227,504 IPv4 addresses
IPv6 629 prefixes (largest 2600::/28)
Registered in United States (2,870) · United Kingdom (42) · Canada (12) · China (10) · Ukraine (8) · South Africa (7)
Also registered under this name 5,421 netblocks across 23 separate records
Record ID240901011
RegistryAPNIC
Owner jurisdictionGB
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 213800B61KHO7ZN59E64
Shared handles clustered on 100 shared RIR contact/maintainer handles
Registry names 13 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (5,238)

showing 500 of 5,238 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
38.94.196.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.94.196.0/22 Cogent Communications, LLC BGP ANNOUNCED ● high
38.94.197.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.94.198.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.94.199.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.143.4.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.183.120.0/22 Cogent Communications, LLC BGP ANNOUNCED ● high
38.183.120.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.183.121.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.183.122.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
38.183.123.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
80.174.114.0/24 Cogent-Communications-LLC RIPE SUB-ALLOCATED PA ● high
80.174.123.0/24 Cogent-Communications-LLC RIPE SUB-ALLOCATED PA ● high
83.147.22.0/24 Cogent-Communications-LLC RIPE ASSIGNED PA ● high
117.239.144.96/28 cogent APNIC ASSIGNED NON-PORTABLE ● high
141.11.67.0/24 Cogent-Communications-LLC RIPE ASSIGNED PA ● high
141.11.229.0/24 Cogent-Communications-LLC RIPE ASSIGNED PA ● high
144.56.20.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
144.56.23.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
144.56.33.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
144.56.40.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
144.56.90.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
144.56.110.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
155.178.69.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
155.178.70.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
169.40.45.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.97.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.98.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.99.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.108.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.113.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.118.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.126.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
169.40.152.0/24 Cogent-Communications-LLC RIPE LEGACY ● high
185.11.218.0/24 Cogent-Communications-LLC RIPE ASSIGNED PA ● high
187.33.176.0/23 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.178.0/23 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.180.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.181.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.182.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.183.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
187.33.188.0/22 Cogent Communications, LLC BGP ANNOUNCED ● high
192.33.4.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
195.238.96.0/24 Cogent-Communications-LLC RIPE SUB-ALLOCATED PA ● high
198.176.213.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
198.176.214.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
204.6.192.0/18 Cogent Communications, LLC BGP ANNOUNCED ● high
208.7.91.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
208.11.210.0/24 Cogent Communications, LLC BGP ANNOUNCED ● high
216.151.168.0/24 Cogent Communications ARIN ASSIGNMENT ● high
2001:500:2::/48 Cogent Communications, LLC BGP ANNOUNCED ● high
38.9.210.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.9.210.0/23 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.9.211.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.168.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.169.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.170.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.171.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.172.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.10.173.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.19.48.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.19.224.0/23 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.19.236.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.19.237.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.44.20.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.44.21.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.44.22.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.44.23.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.46.168.0/22 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.52.171.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.83.202.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.99.95.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.110.128.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.111.176.0/22 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.111.184.0/21 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.134.192.0/22 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.156.72.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.156.73.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.156.74.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.188.160.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.188.161.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.188.165.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.190.150.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.196.158.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.211.28.0/22 Cogent Communications, LLC BGP ANNOUNCED ● medium
38.236.128.0/19 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.120.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.121.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.122.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.123.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.125.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.126.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
66.102.127.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
80.91.81.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
82.129.27.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
96.62.12.0/22 Cogent Communications, LLC BGP ANNOUNCED ● medium
149.86.0.0/18 Cogent Communications, LLC BGP ANNOUNCED ● medium
149.88.112.0/20 Cogent Communications, LLC BGP ANNOUNCED ● medium
154.51.14.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
154.59.201.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
154.61.50.0/24 Cogent Communications, LLC BGP ANNOUNCED ● medium
2.58.4.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
5.83.219.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
5.157.72.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
8.24.64.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
8.24.72.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
16.5.168.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
16.5.170.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
23.26.130.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.135.116.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.135.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.141.196.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.141.204.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.141.212.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.141.228.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.142.100.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.144.28.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.144.60.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.146.76.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.146.116.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.44.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.60.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.68.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.92.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.116.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.148.164.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.151.196.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.161.96.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
23.227.92.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
23.234.144.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
23.237.93.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
37.34.88.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
37.49.150.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.0.0.0/8 Cogent Communications, LLC ARIN DIRECT ALLOCATION ● low
38.3.128.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.3.180.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.3.181.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.3.182.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.3.183.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.3.223.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.5.16.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.7.64.0/20 Cogent Communications, LLC BGP ANNOUNCED ● low
38.7.96.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.7.97.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.7.99.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.32.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.40.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.40.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.41.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.42.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.9.43.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.150.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.160.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.161.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.162.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.163.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.164.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.165.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.166.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.167.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.174.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.10.175.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.15.0.0/19 Cogent Communications, LLC BGP ANNOUNCED ● low
38.15.184.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.17.40.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.17.42.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.18.160.0/19 Cogent Communications, LLC BGP ANNOUNCED ● low
38.18.236.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.12.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.172.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.192.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.193.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.194.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.195.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.214.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.224.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.225.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.234.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.234.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.235.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.19.251.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.12.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.130.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.138.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.139.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.160.0/20 Cogent Communications, LLC BGP ANNOUNCED ● low
38.20.228.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.21.64.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.21.65.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.21.66.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.21.67.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.9.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.10.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.36.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.36.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.37.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.38.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.38.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.40.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.57.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.58.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.66.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.74.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.75.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.76.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.78.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.110.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.125.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.126.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.127.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.168.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.174.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.186.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.218.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.219.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.230.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.22.232.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.27.0.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.27.8.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.27.16.0/20 Cogent Communications, LLC BGP ANNOUNCED ● low
38.27.39.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.27.111.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.171.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.174.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.200.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.223.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.232.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.233.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.234.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.29.235.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.34.0.0/20 Cogent Communications, LLC BGP ANNOUNCED ● low
38.34.16.0/20 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.96.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.97.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.98.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.99.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.100.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.101.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.102.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.103.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.104.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.105.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.106.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.107.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.108.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.109.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.110.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.111.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.112.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.113.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.114.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.115.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.116.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.117.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.118.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.119.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.120.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.121.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.122.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.123.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.125.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.126.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.39.127.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.41.123.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.43.78.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.43.82.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.43.83.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.44.20.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.64.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.69.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.71.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.72.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.95.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.132.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.134.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.137.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.138.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.140.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.145.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.150.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.155.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.162.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.184.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.216.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.216.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.217.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.218.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.226.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.227.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.240.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.45.242.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.24.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.26.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.44.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.80.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.128.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.144.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.148.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.152.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.156.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.157.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.200.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.201.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.206.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.224.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.46.228.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.50.32.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.50.33.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.50.34.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.50.35.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.54.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.54.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.55.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.190.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.191.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.51.227.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.52.124.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.52.144.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.52.170.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.52.192.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.72.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.74.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.76.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.77.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.78.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.55.79.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.24.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.24.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.25.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.26.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.27.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.28.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.28.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.29.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.30.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.56.31.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.9.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.32.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.34.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.34.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.35.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.55.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.56.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.56.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.57.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.58.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.59.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.72.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.74.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.77.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.78.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.148.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.161.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.172.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.174.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.176.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.177.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.178.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.179.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.180.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.180.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.181.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.182.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.183.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.184.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.186.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.204.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.216.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.224.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.237.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.240.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.241.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.242.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.243.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.57.252.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.37.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.56.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.76.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.77.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.96.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.97.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.100.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.102.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.105.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.108.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.129.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.136.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.137.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.151.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.184.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.185.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.198.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.198.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.199.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.208.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.209.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.210.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.211.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.212.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.213.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.214.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.215.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.216.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.217.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.218.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.219.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.220.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.221.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.222.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.223.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.233.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.58.236.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.63.0.0/18 Cogent Communications, LLC BGP ANNOUNCED ● low
38.63.64.0/19 Cogent Communications, LLC BGP ANNOUNCED ● low
38.63.96.0/19 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.10.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.32.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.52.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.83.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.84.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.85.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.87.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.90.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.93.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.100.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.100.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.101.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.102.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.103.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.104.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.139.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.154.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.160.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.162.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.163.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.165.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.174.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.184.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.186.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.187.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.192.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.204.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.204.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.205.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.206.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.207.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.64.221.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.6.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.8.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.28.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.33.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.37.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.38.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.59.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.68.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.103.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.115.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.140.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.141.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.143.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.172.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.193.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.211.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.216.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.217.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.222.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.241.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.243.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.248.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.248.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.252.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.254.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.65.255.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.70.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.73.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.84.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.88.0/21 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.104.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.108.0/22 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.108.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.109.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.110.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.111.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.198.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.202.0/23 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.212.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.213.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.214.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.215.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.222.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.249.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.66.254.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.67.4.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.67.19.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.67.20.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low
38.67.22.0/24 Cogent Communications, LLC BGP ANNOUNCED ● low

IPv6 ranges (629)

showing the 500 largest — see all 629 IPv6 ranges
CIDR
2600::/28
2600::/29
2a06:f980::/29
2a0e:78c0::/29
2001:440::/32
2001:550::/32
2001:978::/32
2402:4480::/32
2403:a800::/32
2605:6900::/32
2605:a680::/32
2804:5330::/32
2a02:bf8::/32
2a0c:9e06::/32
2a0e:a944::/32
2a0e:a945::/32
2a0e:a946::/32
2a0e:a947::/32
2a0f:3b80::/32
2a0f:3b81::/32
2a0f:3b82::/32
2a0f:3b83::/32
2c0f:e9a0::/32
2402:4480:8000::/33
2402:4480::/33
2602:f7e1::/36
2602:fd2e::/36
2602:ffb6::/36
2a14:7584:f000::/36
2602:2b7:100::/40
2a05:7640:2040::/42
2a05:7640:21c0::/42
2602:fe13:2d0::/44
2a05:7640:2090::/44
2a05:7640:20d0::/44
2a05:7640:2140::/44
2001:500:2::/48
2001:506:9::/48
2001:550:104::/48
2001:550:107::/48
2001:550:108::/48
2001:550:1100::/48
2001:550:1202::/48
2001:550:1204::/48
2001:550:1205::/48
2001:550:1207::/48
2001:550:1208::/48
2001:550:1303::/48
2001:550:1304::/48
2001:550:1305::/48
2001:550:1401::/48
2001:550:1504::/48
2001:550:1505::/48
2001:550:1506::/48
2001:550:1507::/48
2001:550:1606::/48
2001:550:1607::/48
2001:550:1609::/48
2001:550:160a::/48
2001:550:1700::/48
2001:550:1801::/48
2001:550:1802::/48
2001:550:1804::/48
2001:550:1805::/48
2001:550:1807::/48
2001:550:1901::/48
2001:550:1905::/48
2001:550:1b00::/48
2001:550:1b05::/48
2001:550:1b06::/48
2001:550:1b07::/48
2001:550:1b08::/48
2001:550:1b09::/48
2001:550:1b0b::/48
2001:550:1d01::/48
2001:550:1d02::/48
2001:550:1d03::/48
2001:550:1d04::/48
2001:550:1d09::/48
2001:550:1d0e::/48
2001:550:1e01::/48
2001:550:2004::/48
2001:550:2006::/48
2001:550:2007::/48
2001:550:201::/48
2001:550:202::/48
2001:550:203::/48
2001:550:204::/48
2001:550:205::/48
2001:550:206::/48
2001:550:209::/48
2001:550:20a::/48
2001:550:20b::/48
2001:550:2101::/48
2001:550:2103::/48
2001:550:2108::/48
2001:550:2109::/48
2001:550:2201::/48
2001:550:2203::/48
2001:550:2205::/48
2001:550:2206::/48
2001:550:2207::/48
2001:550:2208::/48
2001:550:2209::/48
2001:550:220a::/48
2001:550:220b::/48
2001:550:220c::/48
2001:550:220e::/48
2001:550:2211::/48
2001:550:2212::/48
2001:550:2217::/48
2001:550:221a::/48
2001:550:221c::/48
2001:550:221d::/48
2001:550:221e::/48
2001:550:2301::/48
2001:550:2500::/48
2001:550:2502::/48
2001:550:2503::/48
2001:550:2601::/48
2001:550:2602::/48
2001:550:2604::/48
2001:550:2605::/48
2001:550:2702::/48
2001:550:2703::/48
2001:550:2707::/48
2001:550:2803::/48
2001:550:2804::/48
2001:550:2805::/48
2001:550:2806::/48
2001:550:2807::/48
2001:550:2808::/48
2001:550:2809::/48
2001:550:280b::/48
2001:550:280c::/48
2001:550:280d::/48
2001:550:2900::/48
2001:550:2904::/48
2001:550:2906::/48
2001:550:2a01::/48
2001:550:2b01::/48
2001:550:2c00::/48
2001:550:2c01::/48
2001:550:2c02::/48
2001:550:2c05::/48
2001:550:2f00::/48
2001:550:3000::/48
2001:550:3001::/48
2001:550:302::/48
2001:550:303::/48
2001:550:304::/48
2001:550:306::/48
2001:550:307::/48
2001:550:308::/48
2001:550:309::/48
2001:550:30b::/48
2001:550:30c::/48
2001:550:30d::/48
2001:550:3100::/48
2001:550:3109::/48
2001:550:3202::/48
2001:550:3203::/48
2001:550:3204::/48
2001:550:3206::/48
2001:550:3402::/48
2001:550:3404::/48
2001:550:3700::/48
2001:550:3701::/48
2001:550:3702::/48
2001:550:3703::/48
2001:550:3704::/48
2001:550:3800::/48
2001:550:3801::/48
2001:550:3803::/48
2001:550:3902::/48
2001:550:3b01::/48
2001:550:3b02::/48
2001:550:3c00::/48
2001:550:3d01::/48
2001:550:3d02::/48
2001:550:3d05::/48
2001:550:3d08::/48
2001:550:3d09::/48
2001:550:3d0b::/48
2001:550:3d11::/48
2001:550:4001::/48
2001:550:402::/48
2001:550:405::/48
2001:550:407::/48
2001:550:408::/48
2001:550:40a::/48
2001:550:40b::/48
2001:550:40c::/48
2001:550:40e::/48
2001:550:40f::/48
2001:550:4102::/48
2001:550:4103::/48
2001:550:410::/48
2001:550:412::/48
2001:550:4200::/48
2001:550:4600::/48
2001:550:4601::/48
2001:550:4602::/48
2001:550:4603::/48
2001:550:4604::/48
2001:550:4605::/48
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Footprint over time

12 weekly snapshots · JSON
5,386 +610 netblocks since 2026-07-05
2026-07-05 peak 5,386 2026-09-13

Domains this organisation publishes

what's this?
cogentco.com · 69 subdomains seen in certificate transparency
autodiscover.msdev.cogentco.com backupmx1.mail.cogentco.com backupmx2.mail.cogentco.com cisco-chat.cogentco.com cnms.cogentco.com cogentco.com collab-edge.cogentco.com dev.cogentco.com dns.cogentco.com ecogent.cogentco.com elk.cogentco.com elk2.cogentco.com engtools.sys.cogentco.com ev.mail.cogentco.com exp-e-dev.sys.cogentco.com expe01-ams.sys.cogentco.com expe01-chi.sys.cogentco.com expe01-fra.sys.cogentco.com expe01-hhc.sys.cogentco.com expe01-sin.sys.cogentco.com expe02-hhc.sys.cogentco.com filehub.cogentco.com gitea.ops.cogentco.com hhc-cust-mx.sys.cogentco.com hhcv-ex2019-dev.msdev.cogentco.com hhcv-partner.sys.cogentco.com joincogent.cogentco.com la-cust-mx.sys.cogentco.com lb.cogentco.com letsencrypt.cogentco.com live.cogentco.com mail.cogentco.com maya-1.cogentco.com modemportal.cogentco.com ms.cogentco.com msdev.cogentco.com namail.mail.cogentco.com network.cogentco.com partner.cogentco.com passwordreset.cogentco.com passwordreset.sys.cogentco.com pleskshared.sys.cogentco.com porttest.cogentco.com prod.cogentco.com pt-dns.cogentco.com relay.mail.cogentco.com relay01-iad.sys.cogentco.com rmq.cogentco.com sbc01-chi.sys.cogentco.com sbc01-hhc.sys.cogentco.com security.cogentco.com sk-dns.cogentco.com starfish.sys.cogentco.com stg.cogentco.com sys.cogentco.com sys.letsencrypt.cogentco.com ucbb-iso.ucs.cogentco.com www-fra.sys.cogentco.com www-iad.sys.cogentco.com www.cogentco.com www.collab-edge.cogentco.com www.ecogent.cogentco.com www.ev.mail.cogentco.com www.mail.cogentco.com www.modemportal.cogentco.com www.namail.mail.cogentco.com www.sys.cogentco.com xxpq.cogentco.com xxpq01-hhc.sys.cogentco.com

Other domains hosted in this network

what's this?
ntp.org acuityplatform.com n-able.com nvts.co dstv.com fortinet.com 52kele.cn fortinet.net tlsfgw.cn hjenglish.com sonicwall.com mysonicwall.com outputtalkx6ls.net bagfirm60gactf.org threatlocker.com jartrim68oum1z.org cotanet.com.br root-servers.net crouchshaftw8d.net 603ln9u49zcl73wgbkyh.info

Network trust

what's this?
RPKI hygiene: F how networks compare →
14.6% of checked blocks have valid RPKI ROA coverage (292 of 2,000, sampled from 5,386)
Wholesale/transit re-announcements (34)

These blocks are registered to Cogent Communications, LLC but cryptographically authorized across 18 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

38.236.128.0/19 /19 authorized for AS52772 — SJNET TELECOMUNICACOES - EIRELI
23.234.144.0/22 /22 authorized for AS7018 — AT&T Enterprises, LLC
38.9.40.0/22 /22 authorized for AS273255 — ISIDRO GONZALEZ VASQUEZ
38.210.12.0/22 /22 authorized for AS274249 — DEVELOPMENT OF BIG TECHNOLOGIES - DOBIT S.A.S.
52.128.220.0/22 /22 authorized for AS7018 — AT&T Enterprises, LLC
96.62.12.0/22 /22 authorized for AS7018 — AT&T Enterprises, LLC
107.166.100.0/22 /22 authorized for AS7018 — AT&T Enterprises, LLC
82.110.120.0/22 /22 authorized for AS6079 — RCN
38.183.120.0/22 /22 authorized for AS271752 — METEC SOLUCOES
38.19.224.0/23 /23 authorized for AS272265 — GRX BRASIL TELECOM LTDA
38.57.34.0/23 /23 authorized for AS154488 — IoT Innovation Technologies Company Limited
154.50.120.0/23 /23 authorized for AS133255 — Elxer Communications Private Limited
154.194.46.0/23 /23 authorized for AS17561 — Larus Limited
86.109.76.0/23 /23 authorized for AS834 — IPXO LLC
85.149.196.0/23 /23 authorized for AS3258 — xTom Japan Corporation
+19 more — see the REST API

NIC Handles

A2-MNT AB1061-AP AC1578-AP APNIC-HM AR834 AS133255 AS13536 AS136384 AS13795 AS14237 AS149718 AS150555 +88 more