AS8220 COLT 🇬🇧 GB
COLT Technology Services Group Limited. Announcing 174 prefixes, seen at the RIS collectors.
IPv4 prefixes
155
1,518,592 (5,932 × /24)
IPv6 prefixes
19
6 × /32
Upstreams
11
transit providers observed
Peers
43
settlement-free adjacencies
Downstreams
1,069
transit customers observed
Customer cone
47,910
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
Announced prefixes
174 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 27.110.0.0/20 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 27.110.16.0/22 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 27.110.20.0/23 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 38.210.238.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 45.135.160.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 46.28.184.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 46.248.14.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 46.248.128.0/19 v4 | RPKI valid | 41 | 377218220 | 2026-09-18 |
| 57.133.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 58.0.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 58.1.128.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.23.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.23.14.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.23.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.43.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.61.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.70.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.254.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.23.255.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 62.72.96.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.84.192.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.96.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.97.64.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.152.96.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 62.192.0.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 65.87.8.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 78.143.0.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 78.156.64.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 78.156.80.0/21 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 80.80.0.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 80.169.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 80.251.160.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 82.112.192.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 84.14.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 84.14.63.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 84.14.217.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 84.16.160.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 85.88.128.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 87.241.0.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 90.152.0.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 90.152.64.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 90.152.64.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 90.152.96.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 91.212.43.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 95.175.192.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 95.175.208.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 103.138.100.0/22 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 103.248.76.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 110.50.78.0/23 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 116.83.0.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 118.67.224.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 134.128.168.0/22 v4 | RPKI valid | 23 | 3772133568220 | 2026-09-18 |
| 136.225.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 145.224.32.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 148.109.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 148.109.25.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 153.96.140.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 153.96.141.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 154.16.166.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 155.45.128.0/24 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 157.2.32.0/19 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 157.2.48.0/21 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 157.2.52.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 157.120.224.0/21 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 157.120.236.0/22 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 157.120.240.0/20 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 158.162.32.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 158.162.192.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 173.247.225.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 178.159.176.0/20 v4 | RPKI valid | 41 | 377218220 | 2026-09-18 |
| 181.41.193.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 182.54.238.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 185.138.136.0/22 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 185.157.227.0/24 v4 | no ROA | 17 | 377218220 | 2026-09-18 |
| 185.194.232.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 192.51.54.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 192.103.52.0/24 v4 | no ROA | 39 | 380018220 | 2026-09-18 |
| 192.187.137.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 192.231.17.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.16.48.0/21 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 193.16.56.0/22 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.16.60.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.16.62.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.16.155.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.17.178.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.30.84.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.33.182.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.36.242.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.82.0.0/19 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.82.32.0/19 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.96.108.0/23 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 193.98.156.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.102.132.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.111.24.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.118.224.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 193.134.159.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.141.139.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.183.185.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.228.0.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.235.44.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 193.235.45.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.0.195.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.36.128.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 194.76.2.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.76.4.0/22 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.113.246.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.115.212.0/22 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.127.228.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.223.128.0/21 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 194.223.136.0/22 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 194.223.140.0/22 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 194.223.144.0/20 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 195.20.223.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 195.68.0.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 195.68.74.0/24 v4 | RPKI valid | 43 | 3772164538220 | 2026-09-18 |
| 195.78.50.0/23 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 195.110.64.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 195.234.180.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 202.7.104.0/24 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 202.24.96.0/23 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 202.24.98.0/23 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 202.95.218.0/23 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 202.134.253.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 202.255.101.0/24 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 202.255.102.0/24 v4 | RPKI valid | 39 | 380018220 | 2026-09-18 |
| 208.85.76.0/24 v4 | no ROA | 40 | 380018220 | 2026-09-18 |
| 212.0.96.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.23.224.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.31.224.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.35.96.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.36.32.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.36.144.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.36.160.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.36.184.0/21 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.74.77.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 212.74.78.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 212.74.79.0/24 v4 | RPKI valid | 40 | 380018220 | 2026-09-18 |
| 212.78.160.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.121.128.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.123.192.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.161.0.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 212.203.64.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.27.128.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.41.0.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.61.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.86.0.0/16 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.164.0.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.173.160.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.185.160.0/19 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.208.192.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.215.128.0/17 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.229.128.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 213.246.192.0/18 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 217.110.0.0/15 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 217.173.96.0/20 v4 | RPKI valid | 41 | 380018220 | 2026-09-18 |
| 2001:678:868::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:678:1020::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:67c:424::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:67c:2b34::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:920::/32 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:921::/32 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:924::/32 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:925::/32 v6 | RPKI valid | 32 | 380018220 | 2026-09-18 |
| 2001:926::/32 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2001:926:40::/48 v6 | RPKI valid | 35 | 3454964538220 | 2026-09-18 |
| 2400:81e0::/32 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6540:1241::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6540:1440::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6540:4101::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6540:4181::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6541:1241::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6541:1440::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6541:4101::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |
| 2a06:6541:4181::/48 v6 | RPKI valid | 33 | 380018220 | 2026-09-18 |