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ASN Lookup

AS8220 · COLT Technology Services Group Limited

An Autonomous System (AS) is a network run by one operator, like an ISP, with its own number on the internet. See who owns it, its IP prefixes, and its upstreams.

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Try:AS4800AS7713AS15169telkom
AS8220live in BGP
COLT Technology Services Group Limited
nameCOLT
countryUnited Kingdom (GB)
rirRIPE NCC
registeredAug 29, 2002
updatedJun 22, 2026
abuse[email protected]
Upstreams
Networks that sell this AS its internet transit.
AS3356LEVEL3 - Level 3 Parent, LLCAS1299TWELVE99 Arelion Sweden ABAS6453AS6453 - TATA COMMUNICATIONS (AMERICA) INCAS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.AS2764AAPT - AAPT Limited
1,082 networks below it (downstream)
Announced prefixes · 153 IPv4 · 19 IPv6
json ↗
27.110.0.0/20
27.110.16.0/22
27.110.20.0/23
38.210.238.0/24
45.135.160.0/24
46.28.184.0/24
46.248.14.0/24
46.248.128.0/19
57.133.0.0/16
58.0.0.0/16
58.1.128.0/17
62.23.0.0/16
62.23.14.0/24
62.23.23.0/24
62.23.43.0/24
62.23.61.0/24
62.23.70.0/24
62.23.254.0/24
62.23.255.0/24
62.72.96.0/19
62.84.192.0/19
62.96.0.0/16
62.97.64.0/18
62.152.96.0/19
62.192.0.0/19
65.87.8.0/24
78.143.0.0/18
78.156.64.0/20
78.156.80.0/21
80.80.0.0/19
80.169.0.0/16
80.251.160.0/19
82.112.192.0/19
84.14.0.0/16
84.14.63.0/24
84.14.217.0/24
84.16.160.0/19
85.88.128.0/19
87.241.0.0/18
90.152.0.0/18
90.152.64.0/18
90.152.64.0/19
90.152.96.0/19
91.212.43.0/24
95.175.192.0/20
95.175.208.0/20
103.138.100.0/22
103.248.76.0/24
110.50.78.0/23
116.83.0.0/17
118.67.224.0/19
134.128.168.0/22
136.225.0.0/16
145.224.32.0/23
148.109.0.0/16
148.109.25.0/24
153.96.140.0/24
153.96.141.0/24
154.16.166.0/24
155.45.128.0/24
157.2.32.0/19
157.2.48.0/21
157.2.52.0/24
157.120.224.0/21
157.120.236.0/22
157.120.240.0/20
158.162.32.0/19
158.162.192.0/18
173.247.225.0/24
178.159.176.0/20
181.41.193.0/24
182.54.238.0/24
185.138.136.0/22
185.157.227.0/24
185.194.232.0/23
192.51.54.0/24
192.103.52.0/24
192.187.137.0/24
193.16.48.0/21
193.16.56.0/22
193.16.60.0/23
193.16.62.0/24
193.16.155.0/24
193.17.178.0/24
193.30.84.0/24
193.33.182.0/23
193.82.0.0/19
193.82.32.0/19
193.96.108.0/23
193.98.156.0/24
193.102.132.0/24
193.111.24.0/23
193.118.224.0/19
193.134.159.0/24
193.141.139.0/24
193.183.185.0/24
193.228.0.0/24
193.235.44.0/24
193.235.45.0/24
194.0.195.0/24
194.36.128.0/24
194.76.2.0/23
194.76.4.0/22
194.113.246.0/24
194.115.212.0/22
194.127.228.0/24
194.223.128.0/21
194.223.136.0/22
194.223.140.0/22
194.223.144.0/20
195.20.223.0/24
195.68.0.0/17
195.68.74.0/24
195.78.50.0/23
195.110.64.0/19
195.234.180.0/24
202.7.104.0/24
202.24.96.0/23
202.24.98.0/23
202.95.218.0/23
202.134.253.0/24
202.255.101.0/24
202.255.102.0/24
208.85.76.0/24
212.0.96.0/19
212.23.224.0/19
212.31.224.0/19
212.35.96.0/19
212.36.32.0/19
212.36.144.0/20
212.36.160.0/20
212.36.184.0/21
212.74.77.0/24
212.74.78.0/24
212.74.79.0/24
212.78.160.0/19
212.121.128.0/19
212.123.192.0/18
212.161.0.0/17
212.203.64.0/18
213.27.128.0/17
213.41.0.0/17
213.61.0.0/16
213.86.0.0/16
213.164.0.0/19
213.173.160.0/19
213.185.160.0/19
213.208.192.0/18
213.215.128.0/17
213.229.128.0/18
213.246.192.0/18
217.110.0.0/15
217.173.96.0/20
2001:678:1020::/48
2001:678:868::/48
2001:67c:2b34::/48
2001:67c:424::/48
2001:920::/32
2001:921::/32
2001:924::/32
2001:925::/32
2001:926:40::/48
2001:926::/32
2400:81e0::/32
2a06:6540:1241::/48
2a06:6540:1440::/48
2a06:6540:4101::/48
2a06:6540:4181::/48
2a06:6541:1241::/48
2a06:6541:1440::/48
2a06:6541:4101::/48
2a06:6541:4181::/48
Upstream graphTransit paths from this AS up to the tier-1 networks. Click a node to open that AS.
building the graph from BGP paths…