Skip to main content
Autonomous System

AS8220

COLT Technology Services Group Limited

Announced IPs
1,488,896
CIDR prefixes
224
ASN
AS8220

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

57/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS8220 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
185.157.227.0/24 AS8220, AS14244 2026-07-18 11:37:44

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 1-5Tbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Selective
IRR record RIPE::AS8220:AS-COLT

Present at 54 internet exchanges: Equinix Dallas, AMS-IX, BBIX Tokyo, BCIX: BCIX Peering LAN, BNIX, CATNIX, CIXP, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, Equinix Ashburn, Equinix Paris: Equinix IX - PA Metro, …

Web3 footprint

AS8220 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS8220 — global IP footprint

Cities where AS8220 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
57.133.0.0/16 65.5K
3.8%
COLT Technology Services Group Limited GB
58.0.0.0/16 65.5K
0.0%
COLT Technology Services Group Limited GB
62.23.0.0/16 65.5K
76.2%
COLT Technology Services Group Limited GB
80.169.0.0/16 65.5K
9.2%
COLT Technology Services Group Limited GB England Ealing
136.225.0.0/16 65.5K
0.8%
COLT Technology Services Group Limited GB
148.109.0.0/16 65.5K
0.2%
COLT Technology Services Group Limited JP Tokyo Tokyo
213.61.0.0/16 65.5K
67.9%
COLT Technology Services Group Limited GB
58.1.128.0/17 32.8K
0.0%
COLT Technology Services Group Limited GB
62.96.0.0/17 32.8K
89.6%
COLT Technology Services Group Limited GB
80.169.128.0/17 32.8K
8.0%
COLT Technology Services Group Limited GB England City of London
84.14.0.0/17 32.8K
82.7%
COLT Technology Services Group Limited GB
90.152.0.0/17 32.8K
96.9%
COLT Technology Services Group Limited GB England Kensington
116.83.0.0/17 32.8K
0.0%
COLT Technology Services Group Limited GB
195.68.0.0/17 32.8K
57.9%
COLT Technology Services Group Limited GB
213.27.128.0/17 32.8K
21.9%
COLT Technology Services Group Limited GB
213.41.0.0/17 32.8K
71.2%
COLT Technology Services Group Limited GB
213.86.128.0/17 32.8K
9.3%
COLT Technology Services Group Limited GB England City of London
213.215.128.0/17 32.8K
8.7%
COLT Technology Services Group Limited GB Lombardy Milan
217.110.128.0/17 32.8K
63.5%
COLT Technology Services Group Limited GB
57.133.192.0/18 16.4K
0.0%
GB England Tower Hamlets
62.96.128.0/18 16.4K
64.6%
COLT Technology Services Group Limited GB
62.97.64.0/18 16.4K
31.6%
COLT Technology Services Group Limited GB
78.143.0.0/18 16.4K
0.3%
COLT Technology Services Group Limited GB
80.169.64.0/18 16.4K
9.7%
COLT Technology Services Group Limited GB England City of London
87.241.0.0/18 16.4K
8.3%
COLT Technology Services Group Limited GB
90.152.0.0/18 16.4K
0.0%
GB England Wokingham
136.225.192.0/18 16.4K
0.0%
GB
158.162.192.0/18 16.4K
0.0%
COLT Technology Services Group Limited PT Lisbon Lisbon
193.82.0.0/18 16.4K
2.0%
COLT Technology Services Group Limited GB
212.123.192.0/18 16.4K
14.4%
COLT Technology Services Group Limited GB
212.161.64.0/18 16.4K
6.6%
COLT Technology Services Group Limited GB England City of London
212.203.64.0/18 16.4K
14.9%
COLT Technology Services Group Limited GB
213.61.0.0/18 16.4K
0.0%
DE Hesse Frankfurt am Main
213.86.0.0/18 16.4K
10.2%
COLT Technology Services Group Limited GB England City of London
213.208.192.0/18 16.4K
8.9%
COLT Technology Services Group Limited GB
213.229.128.0/18 16.4K
30.3%
COLT Technology Services Group Limited GB
213.246.192.0/18 16.4K
11.6%
COLT Technology Services Group Limited GB
217.110.64.0/18 16.4K
10.1%
COLT Technology Services Group Limited GB
217.111.64.0/18 16.4K
8.3%
COLT Technology Services Group Limited GB
217.111.192.0/18 16.4K
5.9%
COLT Technology Services Group Limited GB England City of London
46.248.128.0/19 8.2K
2.0%
COLT Technology Services Group Limited GB
57.133.160.0/19 8.2K
0.0%
DE Hesse Frankfurt am Main
58.0.0.0/19 8.2K
0.0%
GB
62.72.96.0/19 8.2K
17.9%
COLT Technology Services Group Limited GB
62.84.192.0/19 8.2K
8.7%
COLT Technology Services Group Limited GB
62.96.224.0/19 8.2K
27.1%
COLT Technology Services Group Limited GB
62.97.96.0/19 8.2K
0.0%
ES Catalonia Barcelona
62.152.96.0/19 8.2K
6.0%
COLT Technology Services Group Limited GB
78.143.32.0/19 8.2K
0.0%
PL Mazovia Warsaw
80.80.0.0/19 8.2K
4.5%
COLT Technology Services Group Limited GB Capital Region Copenhagen
80.169.32.0/19 8.2K
15.9%
COLT Technology Services Group Limited GB England City of London
80.251.160.0/19 8.2K
15.1%
COLT Technology Services Group Limited GB Lisbon Lisbon
82.112.192.0/19 8.2K
7.2%
COLT Technology Services Group Limited GB
84.14.160.0/19 8.2K
93.9%
COLT Technology Services Group Limited GB
84.14.192.0/19 8.2K
95.8%
COLT Technology Services Group Limited GB
84.16.160.0/19 8.2K
5.4%
COLT Technology Services Group Limited GB
85.88.128.0/19 8.2K
4.9%
COLT Technology Services Group Limited GB
95.175.192.0/19 8.2K
90.4%
COLT Technology Services Group Limited GB England Staines-upon-Thames
118.67.224.0/19 8.2K
0.0%
COLT Technology Services Group Limited GB
136.225.32.0/19 8.2K
0.0%
IT Lombardy Milan
136.225.96.0/19 8.2K
0.0%
PT Lisbon Lisbon
136.225.128.0/19 8.2K
0.0%
FR Île-de-France Paris
158.162.32.0/19 8.2K
0.0%
COLT Technology Services Group Limited PT Lisbon Lisbon
193.82.0.0/19 8.2K
0.0%
JP Tokyo Tokyo
193.118.224.0/19 8.2K
1.1%
COLT Technology Services Group Limited GB
194.223.128.0/19 8.2K
4.1%
COLT Technology Services Group Limited GB
195.110.64.0/19 8.2K
15.7%
COLT Technology Services Group Limited GB England City of London
212.0.96.0/19 8.2K
30.3%
COLT Technology Services Group Limited GB
212.23.224.0/19 8.2K
23.2%
COLT Technology Services Group Limited GB
212.31.224.0/19 8.2K
10.6%
COLT Technology Services Group Limited GB
212.35.96.0/19 8.2K
16.4%
COLT Technology Services Group Limited GB
212.36.32.0/19 8.2K
93.8%
COLT Technology Services Group Limited GB England Islington
212.78.160.0/19 8.2K
9.3%
COLT Technology Services Group Limited GB
212.161.0.0/19 8.2K
18.0%
COLT Technology Services Group Limited GB England City of London
213.27.128.0/19 8.2K
0.0%
ES Madrid Madrid
213.27.224.0/19 8.2K
0.0%
ES Madrid Madrid
213.61.96.0/19 8.2K
0.0%
DE Hesse Frankfurt am Main
213.185.160.0/19 8.2K
11.2%
COLT Technology Services Group Limited GB
213.215.128.0/19 8.2K
0.0%
IT Lombardy Milan
213.229.128.0/19 8.2K
0.0%
ES Madrid Madrid
217.110.0.0/19 8.2K
99.4%
COLT Technology Services Group Limited GB
217.110.64.0/19 8.2K
0.0%
DE Free and Hanseatic City of Hamburg Hamburg
217.111.0.0/19 8.2K
7.3%
COLT Technology Services Group Limited GB
217.111.224.0/19 8.2K
4.6%
COLT Technology Services Group Limited GB
27.110.0.0/20 4.1K
7.9%
COLT Technology Services Group Limited JP Tokyo Tokyo
46.248.144.0/20 4.1K
0.0%
US New York New York
57.133.16.0/20 4.1K
0.0%
IT Lazio Rome
57.133.64.0/20 4.1K
0.0%
DE State of Berlin Berlin
57.133.144.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.23.160.0/20 4.1K
0.0%
FR Île-de-France Paris
62.96.16.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.96.48.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.96.80.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.96.112.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.96.144.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.96.192.0/20 4.1K
43.8%
COLT Technology Services Group Limited GB
62.96.224.0/20 4.1K
0.0%
DE Hesse Frankfurt am Main
62.97.80.0/20 4.1K
0.0%
ES Madrid Madrid
78.156.64.0/20 4.1K
8.7%
COLT Technology Services Group Limited GB
80.169.0.0/20 4.1K
5.2%
COLT Technology Services Group Limited GB England Ealing

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS8220 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
193.33.182.0/23 94,046 2026-07-18 11:01:26
78.156.80.0/21 7,689 2026-07-18 10:52:05
157.120.236.0/22 7,376 2026-07-18 10:52:34
90.152.64.0/19 5,338 2026-07-18 10:51:58
90.152.96.0/19 5,332 2026-07-18 10:51:58
90.152.64.0/18 5,332 2026-07-18 10:51:58
158.162.192.0/18 5,307 2026-07-18 10:51:58
192.109.56.0/24 4,658 2026-07-01 14:41:10
27.110.20.0/23 4,645 2026-07-18 10:52:05
27.110.0.0/20 4,644 2026-07-18 10:52:05
27.110.16.0/22 4,635 2026-07-18 10:52:05
46.248.128.0/19 4,634 2026-07-18 10:52:09
192.103.52.0/24 4,592 2026-07-18 10:52:34
110.50.78.0/23 4,523 2026-07-18 10:52:05
66.92.200.0/24 4,519 2026-07-18 10:52:05
202.7.104.0/24 4,495 2026-07-18 10:52:34
193.82.0.0/19 4,493 2026-07-18 10:52:34
178.159.176.0/20 4,487 2026-07-18 10:52:40
194.223.144.0/20 4,486 2026-07-18 10:52:34
194.223.140.0/22 4,482 2026-07-18 10:52:34
157.2.48.0/21 4,474 2026-07-18 10:52:34
148.109.0.0/16 4,470 2026-07-18 10:52:34
78.156.64.0/20 4,466 2026-07-18 10:52:05
202.95.218.0/23 4,466 2026-07-18 10:52:34
157.2.32.0/19 4,460 2026-07-18 10:52:34
103.138.100.0/22 4,450 2026-07-18 10:52:05
157.2.52.0/24 4,404 2026-07-18 10:52:34
194.223.128.0/21 4,399 2026-07-18 10:52:34
103.248.76.0/24 4,396 2026-07-18 10:52:05
202.255.101.0/24 4,384 2026-07-18 10:52:34
202.255.102.0/24 4,383 2026-07-18 10:52:34
154.16.166.0/24 4,372 2026-07-18 10:52:34
192.51.54.0/24 4,365 2026-07-18 10:52:34
95.175.192.0/20 4,351 2026-07-18 10:51:58
95.175.208.0/20 4,334 2026-07-18 10:51:58
202.24.98.0/23 4,330 2026-07-18 10:52:34
202.24.96.0/23 4,325 2026-07-18 10:52:34
193.82.32.0/19 4,295 2026-07-18 10:52:34
194.223.136.0/22 4,294 2026-07-18 10:52:34
155.45.128.0/24 4,239 2026-07-18 10:52:34
62.23.61.0/24 4,220 2026-07-18 10:52:05
90.152.0.0/18 4,175 2026-07-18 10:51:58
185.138.136.0/22 4,152 2026-07-18 10:51:58
185.247.126.0/24 4,097 2026-07-15 08:48:15
62.23.254.0/24 4,095 2026-07-18 10:52:05
62.23.23.0/24 4,092 2026-07-18 10:52:05
62.23.255.0/24 4,083 2026-07-18 10:52:05
62.23.43.0/24 4,068 2026-07-18 10:52:05
84.14.63.0/24 4,057 2026-07-18 10:52:05
84.14.217.0/24 4,045 2026-07-18 10:52:05

Showing top 50 of 153 announced prefixes by sample volume.

Frequently Asked Questions

What is AS8220?

AS8220 is an Autonomous System Number assigned to COLT Technology Services Group Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS8220 announce?

AS8220 announces 1.49M IPv4 addresses distributed across 224 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS8220?

AS8220 is operated by COLT Technology Services Group Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS8220 registered in?

AS8220 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:25:31 UTC
Share