Autonomous system profile

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

AS8220

Announcement observedRIPE NCC

COLT COLT Technology Services Group Limited · COLT

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

Last active10/15/2026, 11:31:40Snapshot expired

View network topology RDAP registration

ASN: AS8220
Registration country: United Kingdom
Name: COLT COLT Technology Services Group Limited
Abbreviation: COLT
Registration date: 8/29/2002, 14:10:36
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.138.100.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
103.248.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
110.50.78.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
116.83.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
118.67.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
134.128.168.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
136.225.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
145.224.32.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
148.109.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
148.109.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
153.96.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
153.96.141.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
154.16.166.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
155.45.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.120.224.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.120.236.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.120.240.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.2.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.2.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
157.2.52.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
158.162.192.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
158.162.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
173.247.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
178.159.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
181.41.193.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
182.54.238.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
185.138.136.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
185.157.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
185.194.232.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
192.103.52.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
192.187.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
192.231.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/13/2026, 16:00:00	✓	×	Currently valid
192.51.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.102.132.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.111.24.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.118.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.134.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.141.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.16.155.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.16.48.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.16.56.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.16.60.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.16.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.17.178.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.183.185.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.228.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.235.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.235.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.30.84.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid
193.33.182.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: COLT COLT Technology Services Group Limited
RIR: RIPE NCC
Registration country: United Kingdom
Registration date: 8/29/2002, 14:10:36
Abuse contact: abuse@colt.net

Snapshot trend

10/15/2026, 11:31:40154 v419 v6114 Upstream · 1111 Uncertain

10/14/2026, 01:50:45155 v419 v6110 Upstream · 1111 Uncertain

10/11/2026, 18:35:11155 v419 v6111 Upstream · 1112 Uncertain

10/10/2026, 18:13:53155 v419 v6112 Upstream · 1108 Uncertain

10/9/2026, 12:23:22155 v419 v6111 Upstream · 1110 Uncertain

10/8/2026, 10:46:35155 v419 v6112 Upstream · 1106 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 · rir-rdap-asn · iana-rdap-asn-bootstrap · cha-la-bgp-observations