206208 looking glass

AS8220 COLT 🇬🇧 GB

COLT Technology Services Group Limited. Announcing 172 prefixes, seen at the RIS collectors.

IPv4 prefixes
153
1,518,080 (5,930 × /24)
IPv6 prefixes
19
6 × /32
Upstreams
10
transit providers observed
Peers
44
settlement-free adjacencies
Downstreams
1,077
transit customers observed
Customer cone
49,858
ASes reachable through it

Registry and operator data

AS number
AS8220
Name
COLT
Organisation
Colt
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
1997-02-24
Network type
NSP
Traffic levels
1-5Tbps
Scope
Global
Peering policy
Selective
IRR as-set
RIPE::AS8220:AS-COLT
Website
https://www.colt.net
Looking glass
https://portal.colt.net/lg
PeeringDB
net/91
Exchanges
54
Facilities
200

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

157 valid (91.3%) 0 invalid (0.0%) 15 no ROA (8.7%)

Announcement history

One point per day, recorded at each table import

0397811615509-1809-2510-0210-0910-1610-2310-3011-01
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-30 19:19:07Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-30 19:01:59Z origin change 185.157.227.0/24 AS14244 → AS8220 20236550673338918220
2026-10-30 06:11:49Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-30 01:23:04Z origin change 185.157.227.0/24 AS14244 → AS8220 5030412998220
2026-10-29 21:44:12Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-29 20:04:41Z origin change 185.157.227.0/24 AS14244 → AS8220 4439335710480912998220
2026-10-29 19:31:19Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-29 18:53:04Z origin change 185.157.227.0/24 AS14244 → AS8220 443935805750673338918220
2026-10-29 13:13:44Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-29 08:44:04Z origin change 185.157.227.0/24 AS14244 → AS8220 443935805750673338918220
2026-10-28 08:21:28Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-28 08:04:12Z origin change 185.157.227.0/24 AS14244 → AS8220 377218220
2026-10-27 14:35:05Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-27 13:54:19Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 13:54:15Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-27 12:25:29Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 10:23:20Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-27 09:52:28Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 09:24:36Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-27 08:09:14Z origin change 185.157.227.0/24 AS14244 → AS8220 4967332168220
2026-10-27 07:26:42Z origin change 185.157.227.0/24 AS8220 → AS14244 328840327727174129914244
2026-10-27 07:06:15Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 03:34:44Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-27 02:34:21Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 02:34:16Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-27 01:06:25Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-27 00:12:52Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-26 23:58:25Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 23:52:57Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-26 22:54:07Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:54:01Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:45:05Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:45:00Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:40:17Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:40:12Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:30:14Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:30:10Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:28:53Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:28:49Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:12:44Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:12:39Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 22:05:54Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 22:05:49Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 21:46:07Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 21:35:11Z origin change 185.157.227.0/24 AS8220 → AS14244 328840327727174129914244
2026-10-26 21:33:09Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 21:33:05Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 21:19:37Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 21:19:31Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 21:03:54Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 21:03:50Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:57:07Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:57:01Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:51:09Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:51:05Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:44:32Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:44:26Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:32:02Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:31:58Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:19:33Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:15:23Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-26 20:14:27Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:14:23Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 20:04:47Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 20:04:43Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 19:56:25Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:54:20Z origin change 185.157.227.0/24 AS8220 → AS14244 379896939142441424414244
2026-10-26 19:51:30Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:51:24Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 19:42:25Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:42:19Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 19:36:46Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:36:41Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 19:33:19Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:10:57Z origin change 185.157.227.0/24 AS8220 → AS14244 37989563001321326939142441424414244
2026-10-26 19:09:36Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 19:09:30Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 19:08:09Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:54:28Z origin change 185.157.227.0/24 AS8220 → AS14244 2023656939142441424414244
2026-10-26 18:45:39Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:45:33Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 18:40:22Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:40:18Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 18:35:36Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:35:31Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 18:26:13Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:26:08Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 18:21:37Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:21:32Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 18:03:37Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 18:03:32Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 17:55:06Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 17:55:01Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 17:51:09Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 17:51:04Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 17:41:29Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 17:41:24Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 17:35:47Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220
2026-10-26 17:35:41Z origin change 185.157.227.0/24 AS8220 → AS14244 49432483626939142441424414244
2026-10-26 17:34:25Z origin change 185.157.227.0/24 AS14244 → AS8220 4943221551031543252558220