Autonomous system profile

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

AS204171

Announcement observedRIPE NCC

TD-K A/S · TD-K

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

Last active10/10/2026, 18:19:56Snapshot expired

View network topology RDAP registration

ASN: AS204171
Registration country: Denmark
Name: TD-K A/S
Abbreviation: TD-K
Registration date: 8/6/2015, 12:07:13
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.103.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Historical record
185.103.121.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Historical record
185.103.122.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Historical record
185.103.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 08:00:00	10/10/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: TD-K A/S
RIR: RIPE NCC
Registration country: Denmark
Registration date: 8/6/2015, 12:07:13
Abuse contact: info@td-k.dk

Snapshot trend

10/10/2026, 18:19:564 v41 v62 Upstream · 0 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