tdc.net
One organisation, resolved across 3 separately-registered clusters
linked by shared operating domain tdc.net — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-09-20
3 clusters ·
63,834 netblocks ·
5,270,364 IPv4 addresses ·
155 IPv6 prefixes
IPv6 ranges (155)
- 2001:6c8::/29
- 2a00:eec0::/32
- 2a0a:e700::/32
- 2001:6c8:fc00::/40
- 2001:6c8:fe00::/40
- 2001:6c8:2140::/42
- 2001:67c:2ae0::/48
- 2001:6c8:1001::/48
- 2001:6c8:1005::/48
- 2001:6c8:1180::/48
- 2001:6c8:1181::/48
- 2001:6c8:119::/48
- 2001:6c8:1300::/48
- 2001:6c8:1600::/48
- 2001:6c8:1701::/48
- 2001:6c8:1801::/48
- 2001:6c8:1920::/48
- 2001:6c8:1940::/48
- 2001:6c8:1b00::/48
- 2001:6c8:1b01::/48
- 2001:6c8:1b80::/48
- 2001:6c8:1cc0::/48
- 2001:6c8:1d20::/48
- 2001:6c8:1d30::/48
- 2001:6c8:1d40::/48
- 2001:6c8:1e01::/48
- 2001:6c8:1f00::/48
- 2001:6c8:2780::/48
- 2001:6c8:2781::/48
- 2001:6c8:2782::/48
- 2001:6c8:2783::/48
- 2001:6c8:2784::/48
- 2001:6c8:2785::/48
- 2001:6c8:2790::/48
- 2001:6c8:2802::/48
- 2001:6c8:2803::/48
- 2001:6c8:2e01::/48
- 2001:6c8:2f00::/48
- 2001:6c8:2f02::/48
- 2001:6c8:3002::/48
- 2001:6c8:3003::/48
- 2001:6c8:3005::/48
- 2001:6c8:3006::/48
- 2001:6c8:3f01::/48
- 2001:6c8:3f02::/48
- 2001:6c8:3f80::/48
- 2001:6c8:5000::/48
- 2001:6c8:5001::/48
- 2001:6c8:5080::/48
- 2001:6c8:5081::/48
- 2001:6c8:5a00::/48
- 2001:6c8:5e00::/48
- 2001:6c8:6000::/48
- 2001:6c8:6100::/48
- 2001:6c8:6101::/48
- 2001:6c8:6501::/48
- 2001:6c8:6600::/48
- 2001:6c8:6700::/48
- 2001:6c8:6801::/48
- 2001:6c8:6802::/48
- 2001:6c8:6804::/48
- 2001:6c8:6805::/48
- 2001:6c8:6b00::/48
- 2001:6c8:6c00::/48
- 2001:6c8:6c81::/48
- 2001:6c8:6f00::/48
- 2001:6c8:6f80::/48
- 2001:6c8:7c00::/48
- 2001:6c8:800::/48
- 2001:6c8:8500::/48
- 2001:6c8:9000::/48
- 2001:6c8:9001::/48
- 2001:6c8:9210::/48
- 2001:6c8:9230::/48
- 2001:6c8:9400::/48
- 2001:6c8:9a00::/48
- 2001:6c8:a001::/48
- 2001:6c8:a200::/48
- 2001:6c8:a780::/48
- 2001:6c8:aa80::/48
- 2001:6c8:be00::/48
- 2001:6c8:be01::/48
- 2001:6c8:be02::/48
- 2001:6c8:be03::/48
- 2001:6c8:bf00::/48
- 2001:6c8:c100::/48
- 2001:6c8:c430::/48
- 2001:6c8:c700::/48
- 2001:6c8:c7f0::/48
- 2001:6c8:cc00::/48
- 2001:6c8:d200::/48
- 2001:6c8:d301::/48
- 2001:6c8:d780::/48
- 2001:6c8:d800::/48
- 2001:6c8:d900::/48
- 2001:6c8:db02::/48
- 2001:6c8:dc80::/48
- 2001:6c8:de02::/48
- 2001:6c8:df00::/48
- 2001:6c8:e000::/48
- 2001:6c8:e100::/48
- 2001:6c8:e400::/48
- 2001:6c8:e7c0::/48
- 2001:6c8:fbc0::/48
- 2001:6c9:1::/48
- 2001:6c9:700::/48
- 2001:6c9:740::/48
- 2001:6c9:780::/48
- 2001:6c9::/48
- 2001:6c9:b80::/48
- 2001:6c9:f80::/48
- 2001:6c8:1003::/64
- 2001:6c8:1840::/64
- 2001:6c8:6800::/64
- 2001:6c8:6e80::/64
- 2001:6c8:ffff::/64
- 2001:6c8:41:100:0:19::/112
- 2001:6c8:41:100:0:2b:1:0/112
- 2001:6c8:41:100:0:2b::/112
- 2001:6c8:41:100:0:2d::/112
- 2001:6c8:41:100:0:3c:1:0/112
- 2001:6c8:41:100:0:3c::/112
- 2001:6c8:41:100:0:3e:2:0/112
- 2001:6c8:41:100:0:41::/112
- 2001:6c8:41:100:0:44::/112
- 2001:6c8:41:100:0:71:2:0/112
- 2001:6c8:41:100:0:72:3:0/112
- 2001:6c8:41:100:0:75:1:0/112
- 2001:6c8:41:100:0:79::/112
- 2001:6c8:41:100:0:98::/112
- 2001:6c8:41:100:0:aa::/112
- 2001:6c8:41:100:0:b4:2:0/112
- 2001:6c8:41:100:0:130:1:0/126
- 2001:6c8:41:100:0:27::/126
- 2001:6c8:41:100:0:30:4:0/126
- 2001:6c8:41:100:0:30:5:0/126
- 2001:6c8:41:100:0:36::/126
- 2001:6c8:41:100:0:40:6:0/126
- 2001:6c8:41:100:0:40:7:0/126
- 2001:6c8:41:100:0:40:8:0/126
- 2001:6c8:41:100:0:50:5:0/126
- 2001:6c8:41:100:0:50:6:0/126
- 2001:6c8:41:100:0:50:7:0/126
- 2001:6c8:41:100:0:70:14:0/126
- 2001:6c8:41:100:0:70:15:0/126
- 2001:6c8:41:100:0:70:16:0/126
- 2001:6c8:41:100:0:70:2:0/126
- 2001:6c8:41:100:0:70:5:0/126
- 2001:6c8:41:100:0:90:4:0/126
- 2001:6c8:41:100:0:96:1:0/126
- 2001:6c8:41:100:0:b0:7:0/126
- 2001:6c8:41:100:0:b0:a:0/126
- 2001:6c8:41:100:0:e0:1:0/126
- 2001:6c8:41:100:0:e0::/126
- 2001:6c8:41:100:0:f1::/126
Member clusters
- ORG-TD1-RIPE DK 63,330 netblocks
- TDC Holding A/S DK 308 netblocks
- KABELTV DK 231 netblocks