AS3292
TDC Holding A/S ISP registered in Denmark
180IPv4 prefixes
4IPv6 prefixes
65%RPKI-valid
#384AS Rank
#1Rank in Denmark
1995-01-17Allocated
TDC Holding A/S (AS3292) — ISP, registered in Denmark. announces 180 IPv4 prefixes + 4 IPv6 prefixes. Rank in Denmark: #1. Allocated: 1995-01-17.
IPv4 180IPv6 4
Announced prefixes · 184
- v4 128.76.0.0/18 valid
- v4 128.76.128.0/17 valid
- v4 128.77.128.0/17 valid
- v4 131.164.0.0/16 valid
- v4 136.238.207.0/24 unknown
- v4 147.29.150.0/23 valid
- v4 176.20.0.0/17 valid
- v4 176.20.224.0/19 valid
- v4 176.21.0.0/16 valid
- v4 176.22.0.0/17 valid
- v4 176.22.160.0/19 valid
- v4 176.22.192.0/18 valid
- v4 176.23.0.0/17 valid
- v4 176.23.160.0/19 valid
- v4 176.23.192.0/18 valid
- v4 185.116.10.0/23 unknown
- v4 185.116.8.0/22 unknown
- v4 185.116.8.0/23 unknown
- v4 185.127.48.0/22 unknown
- v4 185.127.99.0/24 unknown
- v4 185.149.231.0/24 valid
- v4 185.171.196.0/22 unknown
- v4 185.218.80.0/23 unknown
- v4 185.218.82.0/24 unknown
- v4 185.72.36.0/22 unknown
- v4 185.72.36.0/24 unknown
- v4 185.72.37.0/24 unknown
- v4 185.72.38.0/24 unknown
- v4 185.72.39.0/24 unknown
- v4 185.73.73.0/24 valid
- v4 188.176.0.0/13 valid
- v4 192.66.103.0/24 valid
- v4 192.66.104.0/24 valid
- v4 192.66.105.0/24 valid
- v4 192.66.106.0/24 valid
- v4 192.66.107.0/24 valid
- v4 192.66.108.0/24 valid
- v4 192.66.109.0/24 valid
- v4 192.66.110.0/24 valid
- v4 192.66.111.0/24 valid
- v4 192.66.112.0/24 valid
- v4 192.66.113.0/24 valid
- v4 192.66.114.0/24 valid
- v4 192.66.115.0/24 valid
- v4 192.66.175.0/24 valid
- v4 192.66.180.0/24 valid
- v4 192.66.181.0/24 valid
- v4 192.66.25.0/24 valid
- v4 192.66.33.0/24 valid
- v4 192.66.36.0/24 valid
RPKI: rpki.cloudflare.com · 2026-06-17
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 184 |
| 2026-06-13 | 184 |
| 2026-06-14 | 184 |
| 2026-06-16 | 184 |
Internet Exchanges · 21
- 1-IX EU New-York, London, Paris, Madrid, Frankfurt, Amsterdam, Warsaw, Bratislava, Lviv, Kyiv, Hong Kong 100 Gbps
- AMS-IX Amsterdam 100 Gbps
- Peering.cz Prague, Bratislava, Vienna, Frankfurt 100 Gbps
- DE-CIX Copenhagen Copenhagen 50 Gbps
- DE-CIX Hamburg Hamburg 40 Gbps
- DE-CIX Frankfurt Frankfurt 30 Gbps
- Equinix Ashburn Ashburn 20 Gbps
- LINX LON1 London 20 Gbps
- DE-CIX New York New York 10 Gbps
- DE-CIX Oslo Oslo 10 Gbps
- Equinix New York New York 10 Gbps
- Equinix Palo Alto Palo Alto 10 Gbps
- Equinix San Jose San Jose 10 Gbps
- NL-ix Amsterdam, Rotterdam, Brussels, Luxembourg, Frankfurt, Düsseldorf, Berlin, Dublin, London, Copenhagen, Paris, Marseille 10 Gbps
- Netnod Copenhagen BLUE -- MTU9K Malmo / Copenhagen 10 Gbps
- Netnod Copenhagen GREEN -- MTU9K Malmo / Copenhagen 10 Gbps
- Netnod Stockholm BLUE -- MTU1500 Stockholm 10 Gbps
- Netnod Stockholm BLUE -- MTU4470 Stockholm 10 Gbps
- Netnod Stockholm GREEN -- MTU1500 Stockholm 10 Gbps
- Netnod Stockholm GREEN -- MTU4470 Stockholm 10 Gbps
- DE-CIX Helsinki Helsinki 1 Gbps
Facilities · 13
- Digital Realty Copenhagen CPH1-3 Copenhagen
- Digital Realty Stockholm STO1-6 Stockholm
- Equinix AM7 - Amsterdam, Kuiperberweg Amsterdam
- Equinix DC1-DC15,DC21-DC22 - Ashburn Ashburn
- Equinix FR5 - Frankfurt, KleyerStrasse Frankfurt
- Equinix LD8 - London, Docklands London
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus Secaucus
- Equinix SK1 - Stockholm, Bromma Stockholm
- Global Crossing Joop Amsterdam
- GlobalConnect Taastrup 1 (CPH1) Taastrup
- NIKHEF Amsterdam Amsterdam
- Telehouse - London (Docklands East) London
- Telia Telehouse Copenhagen Copenhagen
AS topology · Customer cone 134
Providers · 6
Peers · 71
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