ZAYO GROUP HOLDINGS, INC.

Zayo Bandwidth
Data as of 2026-09-06
GLEIF verified
LEI
529900Z6OTS7RT0V0I47
Registered name
ZAYO GROUP HOLDINGS, INC.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks2,078 · 3,735,184 IPv4 addresses
IPv6 364 prefixes (largest 2600:100::/28)
Registered in United States (1,712) · Canada (44) · United Kingdom (24) · Germany (14) · Netherlands (10) · France (6)
Also registered under this name 2,483 netblocks across 92 separate records
Record ID236102934
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900Z6OTS7RT0V0I47
Shared handles clustered on 64 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (2,078)

showing 500 of 2,078 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
5.57.80.201/32 Zayo PEERINGDB ASSIGNED ● high
8.3.234.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
23.247.180.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
27.111.230.52/32 Zayo PEERINGDB ASSIGNED ● high
36.255.57.55/32 Zayo PEERINGDB ASSIGNED ● high
37.49.232.62/32 Zayo PEERINGDB ASSIGNED ● high
37.49.237.180/32 Zayo PEERINGDB ASSIGNED ● high
38.82.195.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.82.200.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
38.82.202.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.82.203.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.91.120.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
38.91.122.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.107.160.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
38.107.162.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.72.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.72.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.73.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.76.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.78.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
38.128.79.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
45.127.173.4/32 Zayo PEERINGDB ASSIGNED ● high
62.69.146.139/32 Zayo PEERINGDB ASSIGNED ● high
64.20.96.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.160.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.160.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.168.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.175.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.176.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.177.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.178.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.179.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.180.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.186.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.20.187.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.95.166.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.124.127.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.124.190.0 – 64.125.255.255 Zayo Bandwidth ARIN DIRECT ALLOCATION ● high
64.184.0.0/17 Zayo Bandwidth BGP ANNOUNCED ● high
64.184.1.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.184.2.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
64.184.105.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
64.191.233.36/32 Zayo PEERINGDB ASSIGNED ● high
65.38.180.0/24 Zayo Group, LLC BGP ANNOUNCED ● high
66.45.192.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.20.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.26.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.46.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.47.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.102.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.194.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.196.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.46.221.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.0.0/16 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.88.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.128.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.160.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.168.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.176.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.200.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.227.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
66.62.228.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
67.208.164.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
67.213.160.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
67.213.168.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
67.230.192.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
68.170.192.0/20 Zayo Bandwidth NorthEast LLC ARIN DIRECT ALLOCATION ● high
69.25.150.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
69.64.192.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
69.64.192.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
69.160.192.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
71.19.171.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
71.19.174.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
71.19.189.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.198.31.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.108.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.111.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.178.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.210.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.211.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
74.216.234.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
76.8.64.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
76.8.92.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
77.95.71.77/32 Zayo PEERINGDB ASSIGNED ● high
79.141.37.0/24 Zayo Group, LLC BGP ANNOUNCED ● high
80.81.192.255/32 Zayo PEERINGDB ASSIGNED ● high
80.81.194.26/32 Zayo PEERINGDB ASSIGNED ● high
80.249.208.122/32 Zayo PEERINGDB ASSIGNED ● high
80.249.213.240/32 Zayo PEERINGDB ASSIGNED ● high
91.206.52.115/32 Zayo PEERINGDB ASSIGNED ● high
91.210.16.228/32 Zayo PEERINGDB ASSIGNED ● high
94.31.28.0/24 Zayo Group, LLC BGP ANNOUNCED ● high
96.4.0.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
96.4.0.0/15 Zayo Bandwidth ARIN DIRECT ALLOCATION ● high
96.4.8.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.4.64.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
96.4.128.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
96.4.174.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
96.4.192.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.0.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.8.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.64.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.88.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.96.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.112.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.117.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.120.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.120.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.122.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.128.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.132.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.144.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.156.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.160.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.176.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.192.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.208.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.216.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.224.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.240.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
96.5.241.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
97.107.64.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
101.203.89.132/32 Zayo PEERINGDB ASSIGNED ● high
103.16.102.162/32 Zayo PEERINGDB ASSIGNED ● high
103.26.69.109/32 Zayo PEERINGDB ASSIGNED ● high
128.177.93.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
142.236.0.0/17 Zayo Bandwidth BGP ANNOUNCED ● high
143.55.192.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
151.181.32.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
151.181.36.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
156.44.121.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
157.244.195.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
159.18.19.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
162.44.27.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
178.18.237.69/32 Zayo PEERINGDB ASSIGNED ● high
184.94.3.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.7.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.15.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.22.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.27.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.36.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.51.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
184.94.119.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
185.0.42.173/32 Zayo PEERINGDB ASSIGNED ● high
185.1.14.64/32 Zayo PEERINGDB ASSIGNED ● high
185.1.94.43/32 Zayo PEERINGDB ASSIGNED ● high
185.1.195.17/32 Zayo PEERINGDB ASSIGNED ● high
185.1.208.100/32 Zayo PEERINGDB ASSIGNED ● high
185.1.222.14/32 Zayo PEERINGDB ASSIGNED ● high
185.6.36.141/32 Zayo PEERINGDB ASSIGNED ● high
185.51.7.0/24 Zayo Group, LLC BGP ANNOUNCED ● high
187.16.209.48/32 Zayo PEERINGDB ASSIGNED ● high
192.81.85.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
193.34.197.149/32 Zayo PEERINGDB ASSIGNED ● high
193.42.155.10/32 Zayo PEERINGDB ASSIGNED ● high
193.138.31.32/32 Zayo PEERINGDB ASSIGNED ● high
193.149.1.109/32 Zayo PEERINGDB ASSIGNED ● high
193.169.199.132/32 Zayo PEERINGDB ASSIGNED ● high
193.178.185.198/32 Zayo PEERINGDB ASSIGNED ● high
193.239.117.72/32 Zayo PEERINGDB ASSIGNED ● high
193.239.119.162/32 Zayo PEERINGDB ASSIGNED ● high
194.9.117.16/32 Zayo PEERINGDB ASSIGNED ● high
194.30.187.53/32 Zayo PEERINGDB ASSIGNED ● high
194.53.172.82/32 Zayo PEERINGDB ASSIGNED ● high
194.59.190.19/32 Zayo PEERINGDB ASSIGNED ● high
194.88.240.76/32 Zayo PEERINGDB ASSIGNED ● high
194.146.118.25/32 Zayo PEERINGDB ASSIGNED ● high
195.42.144.13/32 Zayo PEERINGDB ASSIGNED ● high
195.66.224.76/32 Zayo PEERINGDB ASSIGNED ● high
195.66.225.227/32 Zayo PEERINGDB ASSIGNED ● high
195.66.236.76/32 Zayo PEERINGDB ASSIGNED ● high
195.66.244.191/32 Zayo PEERINGDB ASSIGNED ● high
195.66.246.12/32 Zayo PEERINGDB ASSIGNED ● high
198.73.152.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.36.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.89.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.134.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.140.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.162.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.195.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.213.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.221.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.103.235.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
198.182.214.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
199.43.108.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
199.84.162.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
199.85.193.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
199.127.132.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
199.168.84.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
199.246.159.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
204.19.79.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
204.138.208.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.41.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.85.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.96.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.112.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.114.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.115.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.120.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.149.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.156.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.157.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.167.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.204.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.208.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.209.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.193.240.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
205.210.150.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.67.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.79.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.80.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.87.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.93.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.96.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.120.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.191.123.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.130.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.146.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.147.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.150.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.151.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
206.226.169.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.181.66.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.181.106.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.191.176.0/20 Zayo Bandwidth ARIN DIRECT ALLOCATION ● high
207.191.176.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
207.191.184.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
207.191.188.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
207.230.251.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.25.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.45.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.215.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.222.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.223.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.229.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.244.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
207.245.245.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.192.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.194.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.196.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.199.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.218.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.222.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.224.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.228.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.229.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.232.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.246.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.247.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.248.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.249.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.252.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
208.39.255.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.67.112.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.69.87.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.103.0.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
208.103.7.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.103.11.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
208.103.51.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.82.28.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.82.30.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.82.31.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.82.116.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.112.4.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.124.160.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.124.160.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
209.124.162.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.124.166.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.124.174.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.153.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.166.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.169.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.181.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.198.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.220.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.234.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.237.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.146.238.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.148.32.0/19 Zayo Bandwidth BGP ANNOUNCED ● high
209.148.32.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
209.148.48.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
209.153.205.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
209.183.176.0/20 Zayo Bandwidth NorthEast LLC ARIN DIRECT ALLOCATION ● high
209.194.251.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
210.171.225.124/32 Zayo PEERINGDB ASSIGNED ● high
210.173.177.14/32 Zayo PEERINGDB ASSIGNED ● high
216.13.4.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.5.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.69.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.80.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.120.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.120.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.122.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.127.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.131.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.138.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.13.233.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.123.71.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.123.100.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.123.176.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.123.187.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.166.128.0/18 Zayo Bandwidth BGP ANNOUNCED ● high
216.178.48.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
216.191.118.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.191.234.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.191.238.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.191.252.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.200.0.0 – 216.200.187.255 Zayo Bandwidth ARIN DIRECT ALLOCATION ● high
216.222.0.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.13.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.24.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.32.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.36.0/22 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.40.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.48.0/20 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.64.0/21 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.65.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.66.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.67.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.72.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.90.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.92.0/23 Zayo Bandwidth BGP ANNOUNCED ● high
216.222.101.0/24 Zayo Bandwidth BGP ANNOUNCED ● high
217.29.66.152/32 Zayo PEERINGDB ASSIGNED ● high
217.29.67.193/32 Zayo PEERINGDB ASSIGNED ● high
2001:438:8046::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:100d::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1015::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:101a::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:101b::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:101c::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:101e::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1020::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1022::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1023::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1027::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:102a::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1085::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1091::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1094::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1098::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1099::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:109b::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:109f::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:10a1::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:10fd::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:10fe::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1108::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:4c8:1110::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2001:504:0:7:0:64:61:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8::193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8::193d:0:2/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:1::a500:6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:1::a500:6461:2/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:4::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:4::193d:2/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:4:1::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:4:2::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:4:3::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:8::193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:8:5:0:193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:8:10:0:193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:8:20:0:193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:b:100:1d1:a5d0:6461:152/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:b:100:1d1:a5d0:6461:193/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:f::109/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:13::a500:6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:13::a500:6461:2/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:14::a5:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:17::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:18::141/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:18:12::76/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:19:1::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:24::73/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:26::a500:6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:2c:1000:0:193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:34::17/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:43::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:44::193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:47:47::4d/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:54::1:180/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:54:5::62/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:56::32:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:58::193d:0:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:6d::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:91::2a:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:b6::193d:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:b7::a500:6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:115:1::173/128 Zayo PEERINGDB ASSIGNED ● high
2001:7f8:12e::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:7fa:7:1::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:4::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:6::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:7::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:8::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:c::6461:1/128 Zayo PEERINGDB ASSIGNED ● high
2001:de8:12:100::162/128 Zayo PEERINGDB ASSIGNED ● high
2001:dea:0:10::16d/128 Zayo PEERINGDB ASSIGNED ● high
2001:12f8::209:48/128 Zayo PEERINGDB ASSIGNED ● high
2600:100::/28 Zayo Bandwidth BGP ANNOUNCED ● high
2600:100:102::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2607:ca00::/32 Zayo Bandwidth BGP ANNOUNCED ● high
2607:f1e0::/32 Zayo Bandwidth BGP ANNOUNCED ● high
2607:f7a8::/39 Zayo Bandwidth BGP ANNOUNCED ● high
2607:f7a8:400::/39 Zayo Bandwidth BGP ANNOUNCED ● high
2607:f7a8:c00::/39 Zayo Bandwidth BGP ANNOUNCED ● high
2607:f7a8:1200::/39 Zayo Bandwidth BGP ANNOUNCED ● high
2607:fb08::/32 Zayo Bandwidth BGP ANNOUNCED ● high
2607:fb08:8000::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2610:128::/32 Zayo Bandwidth BGP ANNOUNCED ● high
2610:128:1200::/40 Zayo Bandwidth BGP ANNOUNCED ● high
2610:128:9000::/40 Zayo Bandwidth BGP ANNOUNCED ● high
2610:128:9100::/40 Zayo Bandwidth BGP ANNOUNCED ● high
2610:128:9500::/40 Zayo Bandwidth BGP ANNOUNCED ● high
2620:4a:c000::/48 Zayo Bandwidth BGP ANNOUNCED ● high
2a03:5f80:4:2::237:69/128 Zayo PEERINGDB ASSIGNED ● high
8.41.192.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
8.41.196.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
8.41.205.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
8.41.206.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
8.41.207.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
8.225.194.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
38.29.170.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
45.42.56.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
45.73.144.0/20 Zayo Bandwidth BGP ANNOUNCED ● medium
45.73.155.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
45.73.156.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.13.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.47.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.84.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.92.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.134.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.124.213.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.125.169.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.125.227.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.125.229.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
64.201.237.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
66.46.216.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
69.80.64.0/20 Zayo Bandwidth BGP ANNOUNCED ● medium
69.147.1.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
69.147.3.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
69.147.5.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
69.147.6.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
72.162.136.0/22 Zayo Bandwidth BGP ANNOUNCED ● medium
74.115.232.0/22 Zayo Bandwidth BGP ANNOUNCED ● medium
74.120.40.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
74.120.46.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
104.219.176.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
129.220.4.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
140.82.213.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
141.193.54.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
149.32.156.0/23 Zayo Bandwidth BGP ANNOUNCED ● medium
159.18.249.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
159.18.250.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
162.213.144.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
162.213.147.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
162.246.136.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
162.252.120.0/21 Zayo Bandwidth BGP ANNOUNCED ● medium
164.74.122.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
164.74.123.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
164.74.125.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
164.74.129.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.0.0/16 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.9.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.56.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.86.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.88.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.90.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.121.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.138.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.165.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.138.169.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.0.0/16 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.32.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.44.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.47.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.133.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.157.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.202.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
165.139.208.0/22 Zayo Bandwidth BGP ANNOUNCED ● medium
167.93.0.0/17 Zayo Bandwidth BGP ANNOUNCED ● medium
168.213.254.0/23 Zayo Bandwidth BGP ANNOUNCED ● medium
168.254.0.0/18 Zayo Bandwidth BGP ANNOUNCED ● medium
168.254.0.0/16 Zayo Bandwidth BGP ANNOUNCED ● medium
168.254.50.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
168.254.64.0/18 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.0.0/16 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.0.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.52.0/23 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.55.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.63.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.69.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.70.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.71.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.77.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.79.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.83.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.88.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.90.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium
170.55.102.0/24 Zayo Bandwidth BGP ANNOUNCED ● medium

IPv6 ranges (364)

showing the 15 largest allocations
CIDR
2600:100::/28
2a01:a9e0::/29
2a0b:7ec0::/29
2001:1910::/32
2001:438::/32
2001:4c8::/32
2604:1a00::/32
2604:200::/32
2604:ce00::/32
2604:e500::/32
2605:a700::/32
2605:a900::/32
2606:4000::/32
2606:8180::/32
2607:2b00::/32

Footprint over time

11 weekly snapshots · JSON
2,223 +1,314 netblocks since 2026-07-05
2026-07-05 peak 2,223 2026-09-06

Domains hosted in this network

what's this?
aarki.net mathtag.com broadcloudpbx.net cnbcfm.com synology.com bfsfcu.org fortinet.com gwmtracking.com threatlocker.com ciqtracking.com fmcna.com allstream.net cvnt.net quickconnect.to ihost.com dealercenter.net infragistics.com carzing.com ndlibraries.com coretelligent.com

Customer-delegated space

how is this classified?
Unclassified 2,073 (99.8%)
Operator infrastructure (named) 105 (5.1%)
Customer access pools 45 (2.2%)

Network trust

what's this?
RPKI hygiene: D how networks compare →
23.9% of checked blocks have valid RPKI ROA coverage (479 of 2,000, sampled from 2,223)
Possible discrepancies (5)

These blocks are registered to Zayo Bandwidth but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0b:7ec0::/29 /29 authorized for AS206728 — Media Land LLC
2604:ce00::/32 /32 authorized for AS27425 — IdeaTek Telcom, LLC
199.36.64.0/22 /22 authorized for AS53256 — Mulberry Telecommunications
206.254.231.0/24 /24 authorized for AS3354 — University of Texas System
208.187.29.0/24 /24 authorized for AS7385 — Allstream Business US, LLC

NIC Handles

ABOVENET-MNT ABUSE5675-ARIN ABUSE5675-ARIN AS11074 AS11079 AS11359 AS11686 AS13555 AS13592 AS15290 AS16503 AS16657 +52 more