TDC Holding A/S

Data as of 2026-09-06
GLEIF verified
Complete entity footprint
7 linked clusters · 64,444 netblocks · 5,496,331 IPv4 addresses · 194 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family and shared operating domain tdc.net — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
529900N96EOVRB114D28
Registered name
TDC Holding A/S
Jurisdiction
DK
Ultimate parent
DKT Holdings ApS
529900DQKWXN4TVCYP11
This organisation
Netblocks275 · 5,270,364 IPv4 addresses
IPv6 4 prefixes (largest 2001:6c8::/29)
Registered in Denmark (263) · Finland (30) · Russia (3) · Sweden (3) · United States (3) · Netherlands (1)
Record ID236106991
RegistryBGP
Owner jurisdictionDK
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900N96EOVRB114D28
Shared handles clustered on 34 shared RIR contact/maintainer handles
Registry names 22 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (275)

⬇ export CSV
CIDR Org name Registry Status Confidence
2.21.28.0/22 TDC Holding A/S BGP ANNOUNCED ● low
2.104.0.0/14 TDC Holding A/S BGP ANNOUNCED ● low
2.104.0.0 – 2.109.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
2.108.0.0/15 TDC Holding A/S BGP ANNOUNCED ● low
2.110.0.0/20 TDC Holding A/S BGP ANNOUNCED ● low
2.110.16.0/22 TDC Holding A/S BGP ANNOUNCED ● low
2.110.32.0/20 TDC Holding A/S BGP ANNOUNCED ● low
2.111.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
5.44.136.0/24 TDC Holding A/S BGP ANNOUNCED ● low
5.44.136.0/21 TDC Holding A/S BGP ANNOUNCED ● low
45.65.84.0/22 TDC Holding A/S BGP ANNOUNCED ● low
46.231.209.224/30 TDC-LAN RIPE ASSIGNED PA ● low
46.231.210.220/30 TDC-LAN RIPE ASSIGNED PA ● low
46.231.211.84/30 TDC-LAN RIPE ASSIGNED PA ● low
62.80.203.0/24 TDC Holding A/S BGP ANNOUNCED ● low
62.80.205.0/24 TDC Holding A/S BGP ANNOUNCED ● low
62.135.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
62.236.79.0/24 TDC-FI-DIX RIPE ASSIGNED PA ● low
62.236.98.0/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.236.98.192/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.236.123.160/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.236.147.0/27 TDC-FI-UC-net1 RIPE ASSIGNED PA ● low
62.236.147.32/28 TDC-FI-UC-net2 RIPE ASSIGNED PA ● low
62.236.147.48/28 TDC-FI-UC-net5 RIPE ASSIGNED PA ● low
62.236.147.64/27 TDC-FI-UC-net3 RIPE ASSIGNED PA ● low
62.236.147.96/27 TDC-FI-UC-net4 RIPE ASSIGNED PA ● low
62.236.147.128/29 TDC-FI-UC-net6 RIPE ASSIGNED PA ● low
62.236.147.136/29 TDC-FI-UC-net7 RIPE ASSIGNED PA ● low
62.236.199.0/27 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.237.34.240/28 TDC-FI-UC-POC RIPE ASSIGNED PA ● low
62.237.35.240/28 TDC-FI-UC-POC RIPE ASSIGNED PA ● low
62.237.81.16/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.237.82.212/30 TDC-FI-DNS RIPE ASSIGNED PA ● low
62.237.86.232/29 TDC-FI-NTP RIPE ASSIGNED PA ● low
62.237.116.32/27 TDC-FI-ZOO RIPE ASSIGNED PA ● low
62.237.206.0/29 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.237.207.48/29 TDC-FI-SBC RIPE ASSIGNED PA ● low
62.242.0.0/15 TDC Holding A/S RIPE ALLOCATED PA ● low
62.243.122.0/24 TDC-CPE RIPE ASSIGNED PA ● low
62.243.132.0/28 TDC-DNS-LAN RIPE ASSIGNED PA ● low
80.62.0.0/15 TDC Holding A/S RIPE ALLOCATED PA ● low
80.91.128.0/20 TDC Holding A/S BGP ANNOUNCED ● low
80.160.0.0/13 TDC Holding A/S RIPE ALLOCATED PA ● low
80.196.0.0/14 TDC Holding A/S RIPE ALLOCATED PA ● low
80.245.100.0/22 TDC Holding A/S BGP ANNOUNCED ● low
81.31.80.0/20 TDC Holding A/S RIPE ALLOCATED PA ● low
83.88.0.0/14 TDC Holding A/S BGP ANNOUNCED ● low
83.88.0.0 – 83.94.63.255 TDC Holding A/S RIPE ALLOCATED PA ● low
83.88.0.0/13 TDC Holding A/S RIPE ALLOCATED PA ● low
83.92.0.0/15 TDC Holding A/S BGP ANNOUNCED ● low
83.94.0.0/18 TDC Holding A/S BGP ANNOUNCED ● low
83.94.96.0 – 83.95.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
83.94.96.0/19 TDC Holding A/S BGP ANNOUNCED ● low
83.94.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
83.95.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
83.100.127.248/29 TDC-FI-IRC RIPE ASSIGNED PA ● low
83.241.190.48/29 TDC_Holding RIPE SUB-ALLOCATED PA ● low
85.129.0.0/17 TDC Holding A/S BGP ANNOUNCED ● low
87.48.0.0/13 TDC Holding A/S BGP ANNOUNCED ● low
87.48.164.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.48.171.0/24 TDC Holding A/S BGP ANNOUNCED ● low
87.48.172.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.48.176.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.48.180.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.53.76.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.53.80.0/22 TDC-CPE RIPE ASSIGNED PA ● low
87.56.32.0/19 TDC Holding A/S BGP ANNOUNCED ● low
87.56.128.0 – 87.58.63.255 TDC Holding A/S RIPE ALLOCATED PA ● low
87.56.128.0 – 87.57.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
87.56.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
87.57.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
87.58.32.0/19 TDC Holding A/S RIPE ALLOCATED PA ● low
87.58.144.0 – 87.58.191.255 TDC Holding A/S RIPE ALLOCATED PA ● low
87.58.160.0/19 TDC Holding A/S RIPE ALLOCATED PA ● low
87.58.224.0 – 87.63.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
87.58.224.0/19 TDC Holding A/S BGP ANNOUNCED ● low
87.59.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
87.60.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
87.61.0.0/17 TDC Holding A/S BGP ANNOUNCED ● low
87.61.128.0/18 TDC Holding A/S BGP ANNOUNCED ● low
87.61.224.0/19 TDC Holding A/S BGP ANNOUNCED ● low
87.62.0.0/15 TDC Holding A/S BGP ANNOUNCED ● low
87.104.224.0/21 TDC Holding A/S BGP ANNOUNCED ● low
91.199.190.0/24 TDC Holding A/S BGP ANNOUNCED ● low
91.227.177.0/24 TDC Holding A/S BGP ANNOUNCED ● low
92.43.176.0/21 TDC Holding A/S BGP ANNOUNCED ● low
93.160.0.0 – 93.164.127.255 TDC Holding A/S RIPE ALLOCATED PA ● low
93.160.0.0/14 TDC Holding A/S BGP ANNOUNCED ● low
93.164.0.0/17 TDC Holding A/S BGP ANNOUNCED ● low
93.164.160.0 – 93.165.63.255 TDC Holding A/S RIPE ALLOCATED PA ● low
93.164.160.0/19 TDC Holding A/S BGP ANNOUNCED ● low
93.164.160.0 – 93.167.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
93.164.192.0/18 TDC Holding A/S BGP ANNOUNCED ● low
93.165.0.0/18 TDC Holding A/S BGP ANNOUNCED ● low
93.165.96.0/19 TDC Holding A/S BGP ANNOUNCED ● low
93.165.96.0 – 93.167.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
93.165.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
93.166.0.0/15 TDC Holding A/S BGP ANNOUNCED ● low
93.178.128.0/18 TDC Holding A/S BGP ANNOUNCED ● low
94.189.0.0/17 TDC Holding A/S RIPE ALLOCATED PA ● low
95.166.64.0/18 TDC Holding A/S BGP ANNOUNCED ● low
95.166.64.0 – 95.166.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
95.166.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
128.76.0.0/18 TDC Holding A/S BGP ANNOUNCED ● low
128.76.128.0/17 TDC Holding A/S RIPE ALLOCATED PA ● low
128.77.128.0/17 TDC Holding A/S BGP ANNOUNCED ● low
131.164.0.0/16 TDC Holding A/S RIPE LEGACY ● low
136.238.207.0/24 TDC Holding A/S BGP ANNOUNCED ● low
147.29.150.0/23 TDC Holding A/S BGP ANNOUNCED ● low
176.20.0.0/17 TDC Holding A/S RIPE ALLOCATED PA ● low
176.20.224.0/19 TDC Holding A/S BGP ANNOUNCED ● low
176.20.224.0 – 176.22.127.255 TDC Holding A/S RIPE ALLOCATED PA ● low
176.21.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
176.22.0.0/17 TDC Holding A/S BGP ANNOUNCED ● low
176.22.160.0 – 176.23.127.255 TDC Holding A/S RIPE ALLOCATED PA ● low
176.22.160.0/19 TDC Holding A/S BGP ANNOUNCED ● low
176.22.192.0/18 TDC Holding A/S BGP ANNOUNCED ● low
176.23.0.0/17 TDC Holding A/S BGP ANNOUNCED ● low
176.23.160.0 – 176.23.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
176.23.160.0/19 TDC Holding A/S BGP ANNOUNCED ● low
176.23.192.0/18 TDC Holding A/S BGP ANNOUNCED ● low
185.72.36.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.72.36.0/22 TDC Holding A/S BGP ANNOUNCED ● low
185.72.37.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.72.38.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.72.39.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.73.73.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.116.8.0/22 TDC Holding A/S BGP ANNOUNCED ● low
185.116.8.0/23 TDC Holding A/S BGP ANNOUNCED ● low
185.116.10.0/23 TDC Holding A/S BGP ANNOUNCED ● low
185.127.48.0/22 TDC Holding A/S BGP ANNOUNCED ● low
185.127.99.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.149.231.0/24 TDC Holding A/S BGP ANNOUNCED ● low
185.171.196.0/22 TDC Holding A/S BGP ANNOUNCED ● low
185.218.80.0/23 TDC Holding A/S BGP ANNOUNCED ● low
185.218.82.0/24 TDC Holding A/S BGP ANNOUNCED ● low
188.176.0.0/13 TDC Holding A/S BGP ANNOUNCED ● low
188.180.108.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.17.0/24 TDC Holding A/S RIPE LEGACY ● low
192.66.21.0 – 192.66.40.255 TDC Holding A/S RIPE LEGACY ● low
192.66.25.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.33.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.36.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.38.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.56.0/22 TDC Holding A/S RIPE LEGACY ● low
192.66.103.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.104.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.105.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.106.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.107.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.108.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.109.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.110.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.111.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.112.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.113.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.114.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.115.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.133.0/24 TDC Holding A/S RIPE LEGACY ● low
192.66.166.0 – 192.66.185.255 TDC Holding A/S RIPE LEGACY ● low
192.66.175.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.180.0/24 TDC Holding A/S BGP ANNOUNCED ● low
192.66.181.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.3.25.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.3.36.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.3.130.0/23 TDC Holding A/S BGP ANNOUNCED ● low
193.3.138.0 – 193.3.156.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.3.140.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.3.141.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.3.142.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.3.224.0/22 TDC Holding A/S BGP ANNOUNCED ● low
193.3.224.0 – 193.3.228.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.3.247.0/24 TDC Holding A/S RIPE ASSIGNED PI ● low
193.3.248.0/22 TDC Holding A/S RIPE ALLOCATED PA ● low
193.26.218.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.32.65.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.39.139.0/24 TDC Holding A/S RIPE ASSIGNED PI ● low
193.41.12.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.41.13.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.84.27.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.88.0.0/15 TDC Holding A/S BGP ANNOUNCED ● low
193.89.98.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.105.30.0/23 TDC Holding A/S BGP ANNOUNCED ● low
193.138.115.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.0.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.2.0 – 193.162.4.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.6.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.32.0/23 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.36.0/22 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.42.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.48.0/21 TDC Holding A/S BGP ANNOUNCED ● low
193.162.64.0 – 193.162.73.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.75.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.80.0 – 193.162.99.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.98.0/23 TDC Holding A/S BGP ANNOUNCED ● low
193.162.110.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.111.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.144.0 – 193.162.167.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.145.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.146.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.162.152.0/21 TDC Holding A/S BGP ANNOUNCED ● low
193.162.224.0 – 193.162.251.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.162.254.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.9.0 – 193.163.11.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.24.0/22 TDC Holding A/S BGP ANNOUNCED ● low
193.163.24.0/21 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.32.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.33.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.69.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.100.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.106.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.107.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.110.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.118.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.129.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.132.0/23 TDC Holding A/S BGP ANNOUNCED ● low
193.163.136.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.137.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.138.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.139.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.140.0/24 TDC Holding A/S BGP ANNOUNCED ● low
193.163.146.0/23 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.158.0 – 193.163.167.255 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.160.0/21 TDC Holding A/S BGP ANNOUNCED ● low
193.163.171.0/24 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.176.0/23 TDC Holding A/S RIPE ALLOCATED PA ● low
193.163.216.0/22 TDC Holding A/S RIPE ALLOCATED PA ● low
193.200.44.0/23 TDC Holding A/S BGP ANNOUNCED ● low
193.238.204.0/22 TDC Holding A/S BGP ANNOUNCED ● low
193.239.48.0/24 TDC Holding A/S BGP ANNOUNCED ● low
194.99.114.0/23 TDC Holding A/S BGP ANNOUNCED ● low
194.100.2.240/29 TDC-FI-SBC RIPE ASSIGNED PA ● low
194.100.7.80/29 TDC-FI-DNS RIPE ASSIGNED PA ● low
194.100.14.128/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
194.100.38.112/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
194.100.41.48/28 TDC-FI-SBC RIPE ASSIGNED PA ● low
194.100.50.0/27 TDC-FI-DIX RIPE ASSIGNED PA ● low
194.100.153.168/29 TDC-FI-DNS RIPE ASSIGNED PA ● low
194.182.128.0/20 TDC Holding A/S BGP ANNOUNCED ● low
194.182.128.0 – 194.182.151.255 TDC Holding A/S RIPE ALLOCATED PA ● low
194.182.144.0/21 TDC Holding A/S BGP ANNOUNCED ● low
194.182.232.0/21 TDC Holding A/S BGP ANNOUNCED ● low
194.182.232.0 – 194.182.255.255 TDC Holding A/S RIPE ALLOCATED PA ● low
194.182.240.0/20 TDC Holding A/S BGP ANNOUNCED ● low
194.192.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
194.239.0.0/16 TDC Holding A/S RIPE ALLOCATED PA ● low
194.239.208.0/24 TDC-VOD-TESTNET1 RIPE ASSIGNED PA ● low
194.246.103.0/24 TDC Holding A/S BGP ANNOUNCED ● low
194.247.32.0/24 TDC Holding A/S BGP ANNOUNCED ● low
194.247.43.0/24 TDC Holding A/S BGP ANNOUNCED ● low
194.247.58.0/24 TDC Holding A/S BGP ANNOUNCED ● low
194.247.188.0/23 TDC Holding A/S RIPE ASSIGNED PI ● low
195.10.143.88/30 TDC-FI-DNS RIPE ASSIGNED PA ● low
195.41.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
195.60.90.128/25 TDC Holding A/S RIPE ASSIGNED PI ● low
195.60.160.0/23 TDC Holding A/S BGP ANNOUNCED ● low
195.88.36.0/23 TDC Holding A/S BGP ANNOUNCED ● low
195.95.181.0/24 TDC Holding A/S BGP ANNOUNCED ● low
195.97.128.0/18 TDC Holding A/S BGP ANNOUNCED ● low
195.137.178.0/24 TDC Holding A/S BGP ANNOUNCED ● low
195.184.32.0/19 TDC Holding A/S RIPE ALLOCATED PA ● low
195.215.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
195.246.198.0/24 TDC Holding A/S BGP ANNOUNCED ● low
195.249.0.0/16 TDC Holding A/S RIPE ALLOCATED PA ● low
198.183.202.0/24 TDC Holding A/S BGP ANNOUNCED ● low
212.130.0.0/16 TDC Holding A/S BGP ANNOUNCED ● low
212.221.15.88/29 TDC-A-S-GTT RIPE ASSIGNED PA ● low
217.28.160.0/23 TDC Holding A/S BGP ANNOUNCED ● low
217.28.162.0/24 TDC Holding A/S BGP ANNOUNCED ● low
217.28.164.0/22 TDC Holding A/S BGP ANNOUNCED ● low
217.28.168.0/21 TDC Holding A/S BGP ANNOUNCED ● low
2001:67c:2ae0::/48 TDC Holding A/S BGP ANNOUNCED ● low
2001:6c8::/29 TDC Holding A/S BGP ANNOUNCED ● low
2a00:eec0::/32 TDC Holding A/S BGP ANNOUNCED ● low
2a0a:e700::/32 TDC Holding A/S BGP ANNOUNCED ● low

IPv6 ranges (4)

CIDR
2001:6c8::/29
2a00:eec0::/32
2a0a:e700::/32
2001:67c:2ae0::/48

Footprint over time

11 weekly snapshots · JSON
308 -41 netblocks since 2026-07-05
2026-07-05 peak 349 2026-09-06

Domains hosted in this network

what's this?
tdc.net tdcsong.se keeponmoving.dk dinfestbutik.dk europa.eu nordiskpanorama.com imusic.ch dft-cdn42.net imusic.nz imusic.sg imusic.pl nflxso.net imusic.com.hk tele.dk sensusaccess.com googlevideo.com imusic.dk imusic.fr digitalpost.dk br.com

Customer-delegated space

how is this classified?
Unclassified 274 (99.6%)
Customer access pools 29 (10.5%)
Operator infrastructure (named) 5 (1.8%)

Corporate group (5 confirmed entities)

+10,388 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: C how networks compare →
64.9% of checked blocks have valid RPKI ROA coverage (200 of 308)
Possible discrepancies (1)

These blocks are registered to TDC Holding A/S but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

62.236.79.0/24 /24 authorized for AS16086 — DNA Oyj

NIC Handles

AKAM1-RIPE-MNT AS31027-MNT AS3257-IPAM-MNT AS3292 AS3292-MNT AS3292-MNT CSCDK-MNT DGCSYSTEMS-MNT DK-EKMNT DUMY-RIPE DUMY-RIPE EUROCONNECT +22 more