TDC NET A/S

TDC A/S
GLEIF verified
Complete entity footprint
3 linked clusters · 899 netblocks · 10,444,709 IPv4 addresses
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
549300SH2G3R15Y3FX20
Registered name
TDC NET A/S
Jurisdiction
DK
Ultimate parent
DKT Holdings ApS
529900DQKWXN4TVCYP11
Cluster stats
Netblocks227 · 17,158 IPv4 addresses
Registered in Norway (63) · Sweden (45) · Finland (31) · Denmark (29) · Germany (5) · United States (5)
Cluster ID208801067
RegistryAFRINIC
Owner jurisdictionDK
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300SH2G3R15Y3FX20
Shared handles clustered on 24 shared RIR contact/maintainer handles
Registry names 12 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
227 0 netblocks since 2026-07-05
2026-07-05 peak 227 2026-07-19

IP Ranges (227)

showing 50 of 227 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
41.194.20.160/27 TDC AFRINIC ASSIGNED PA ● high
41.194.24.96/27 TDC AFRINIC ASSIGNED PA ● high
41.194.24.128/26 TDC AFRINIC ASSIGNED PA ● high
80.81.192.16/32 TDC A/S PEERINGDB ASSIGNED ● high
80.249.208.104/32 TDC A/S PEERINGDB ASSIGNED ● high
185.0.4.6/32 TDC A/S PEERINGDB ASSIGNED ● high
185.0.5.8/32 TDC A/S PEERINGDB ASSIGNED ● high
185.0.7.6/32 TDC A/S PEERINGDB ASSIGNED ● high
185.0.20.197/32 TDC A/S PEERINGDB ASSIGNED ● high
185.0.43.26/32 TDC A/S PEERINGDB ASSIGNED ● high
185.1.210.18/32 TDC A/S PEERINGDB ASSIGNED ● high
192.130.74.76/30 TDC NET AS RIPE ASSIGNED PA ● high
193.239.117.228/32 TDC A/S PEERINGDB ASSIGNED ● high
194.68.123.41/32 TDC A/S PEERINGDB ASSIGNED ● high
194.68.128.41/32 TDC A/S PEERINGDB ASSIGNED ● high
195.66.224.64/32 TDC A/S PEERINGDB ASSIGNED ● high
195.69.119.41/32 TDC A/S PEERINGDB ASSIGNED ● high
195.245.240.41/32 TDC A/S PEERINGDB ASSIGNED ● high
198.32.118.51/32 TDC A/S PEERINGDB ASSIGNED ● high
198.32.176.101/32 TDC A/S PEERINGDB ASSIGNED ● high
206.82.104.6/32 TDC A/S PEERINGDB ASSIGNED ● high
206.126.236.59/32 TDC A/S PEERINGDB ASSIGNED ● high
206.223.116.244/32 TDC A/S PEERINGDB ASSIGNED ● high
212.237.192.41/32 TDC A/S PEERINGDB ASSIGNED ● high
212.237.193.41/32 TDC A/S PEERINGDB ASSIGNED ● high
2001:504:0:1::3292:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:504:0:2::3292:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:504:d::65/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:504:f::33/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:504:36::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:1::a500:3292:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:4::cdc:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:fb::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:fc::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:fe::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:ff::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:202::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:d:203::41/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:13::a500:3292:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:3d::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:7f::197/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:115:1::1:26/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:139::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:13a::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2001:7f8:13c::cdc:0:1/128 TDC A/S PEERINGDB ASSIGNED ● high
2.109.32.0/22 TDC-HOSTING-NET RIPE ASSIGNED PA ● low
31.15.41.144/30 TDC-NET RIPE ASSIGNED PA ● low
31.15.49.192/28 TDC-HOSTING-NET RIPE ASSIGNED PA ● low
31.15.60.44/30 TDC-HOSTING-NET RIPE ASSIGNED PA ● low

Customer-delegated space

how is this classified?
Unclassified 185 (81.5%)
Operator infrastructure (named) 42 (18.5%)

Corporate group (3 confirmed entities)

+10,393 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: B how networks compare →
93.8% of checked blocks have valid RPKI ROA coverage (213 of 227)
Possible discrepancies (25)

These blocks are registered to TDC A/S but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2401:a60::/32 /32 authorized for AS18041 — Taiwan Digital Streaming Co.
2a02:228:1::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:2::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:100::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:101::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:111::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:228::/48 /48 authorized for AS25400 — Telia Norge AS
2001:6e8:1b01::/48 /48 authorized for AS16086 — DNA Oyj
2a02:228:1c14::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:1c04::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:1c05::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:1c09::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:1c23::/48 /48 authorized for AS25400 — Telia Norge AS
2a02:228:1c26::/48 /48 authorized for AS25400 — Telia Norge AS
213.50.162.0/23 /23 authorized for AS1257 — Tele2 Sverige AB
+10 more — see the REST API

NIC Handles

AS22351-MNT AS3292 AS3292-MNT AS6730-MNT DATANET-NOC DKNET-MNT DUMY-RIPE DUMY-RIPE FI2G-MNT IP-ONLY-MNT JS4517-AP LY4162-AP +12 more