Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS3292

Announcement observedRIPE NCC

TDC Holding A/S · TDC

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/23/2026, 10:29:57Snapshot expired

View network topology RDAP registration

ASN: AS3292
Registration country: Denmark
Name: TDC Holding A/S
Abbreviation: TDC
Registration date: 9/20/2002, 11:14:32
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
128.76.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
128.76.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
128.77.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
131.164.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
136.238.207.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
147.29.150.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.20.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.20.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.21.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.22.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.22.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.22.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.23.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.23.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
176.23.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.116.10.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.116.8.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.116.8.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.127.48.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.127.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.149.231.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.171.196.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.218.80.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.218.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.72.36.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.72.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.72.37.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.72.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
185.72.39.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
188.176.0.0/13BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
188.180.108.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.107.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.108.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.109.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.175.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.180.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.181.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.33.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid
192.66.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/23/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: TDC Holding A/S
RIR: RIPE NCC
Registration country: Denmark
Registration date: 9/20/2002, 11:14:32
Abuse contact: postmaster@abuse.mail.dk

Snapshot trend

10/23/2026, 10:29:57174 v44 v642 Upstream · 112 Uncertain

10/12/2026, 09:06:30173 v44 v648 Upstream · 123 Uncertain

10/12/2026, 09:06:28173 v44 v648 Upstream · 124 Uncertain

10/8/2026, 09:04:46173 v44 v648 Upstream · 123 Uncertain

10/6/2026, 21:04:23173 v44 v648 Upstream · 122 Uncertain

9/29/2026, 10:11:48174 v44 v648 Upstream · 123 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn