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Autonomous System

AS9002

RETN Limited

Announced IPs
24,064
CIDR prefixes
23
ASN
AS9002

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.

53/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Active-threat / abuse risk −12
  • Trust score 53 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

About RETN

RETN Networks Limited is a British internet service providing company headquartered in London, United Kingdom. Founded in 2003, RETN operates a high-capacity backbone network that spans over 140,000 kilometres with more than 970 Points of Presence across Europe, Asia, and the United States.

Founded
2002
Headquarters
London
Industry
telecommunications industry
Employees
200

⚠ 1 MOAS prefix — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS9002 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)
0.0.0.0/0 AS9002, AS212271 2026-09-29 12:44:13

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 20-50Tbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Selective
IRR record RIPE::AS-RETN RIPE::AS-RETN6

Present at 25 internet exchanges: LINX LON1: Main, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, NYIIX New York, VIX, BIX, SwissIX: Peering, Netnod Stockholm GREEN -- MTU1500: STH-A -- MTU1500, BCIX: BCIX Peering LAN, SIX Seattle: MTU 1500, MIX-IT, …

Web3 footprint

AS9002 hosts 8 observed decentralized-network nodes across 2 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
87.245.224.0/19 8.2K
49.6%
RETN Limited GB — —
87.245.208.0/21 2.0K
27.7%
RETN Limited GB — —
139.45.200.0/21 2.0K
2.6%
RETN Limited GB — —
31.128.32.0/22 1.0K
0.1%
RETN Limited LV Riga Riga
89.19.36.0/22 1.0K
4.5%
RETN Limited GB — —
94.158.240.0/22 1.0K
0.6%
RETN Limited GB — —
104.121.64.0/22 1.0K
99.2%
RETN Limited US — —
139.45.192.0/22 1.0K
3.9%
RETN Limited GB — —
139.45.220.0/22 1.0K
0.0%
RETN Limited GB — —
185.13.152.0/22 1.0K
0.0%
RETN Limited GB — —
193.109.100.0/22 1.0K
1.3%
RETN Limited GB — —
104.121.68.0/23 512
99.2%
RETN Limited US — —
139.45.196.0/23 512
0.0%
RETN Limited GB — —
139.45.206.0/23 512
3.5%
RETN Limited LV Riga Riga
139.45.208.0/23 512
0.0%
RETN Limited GB — —
139.45.218.0/23 512
2.5%
RETN Limited GB — —
185.82.8.0/23 512
0.0%
RETN Limited GB England London
23.56.98.0/24 256
99.6%
RETN Limited US — —
45.39.107.0/24 256
0.0%
Spartan Host Ltd US California Santa Clara
45.39.108.0/24 256
0.0%
Spartan Host Ltd US California Santa Clara
81.19.134.0/24 256
0.0%
RETN Limited RU — —
87.245.210.0/24 256
22.7%
RETN Limited GB England London
87.245.212.0/24 256
19.5%
RETN Limited PL Mazovia Warsaw
87.245.214.0/24 256
57.4%
RETN Limited DE Hesse Frankfurt am Main
87.245.237.0/24 256
70.7%
RETN Limited UA Kyiv City Kyiv
87.245.247.0/24 256
66.0%
RETN Limited UA Kyiv City Kyiv
87.245.254.0/24 256
5.9%
RETN Limited GB — —
87.245.255.0/24 256
13.7%
RETN Limited RU — —
104.233.6.0/24 256
0.0%
Datacamp Limited GB — —
139.45.195.0/24 256
0.0%
RETN Limited NL — —
139.45.200.0/24 256
0.0%
RETN Limited FI Uusimaa Helsinki
139.45.204.0/24 256
3.1%
RETN Limited EE Harjumaa Tallinn
139.45.205.0/24 256
3.9%
RETN Limited LV Riga Riga
139.45.208.0/24 256
0.0%
RETN Limited UZ — —
139.45.209.0/24 256
0.0%
RETN Limited GB — —
139.45.210.0/24 256
0.8%
RETN Limited GB — —
139.45.221.0/24 256
0.0%
RETN Limited RU — —
185.82.10.0/24 256
0.4%
RETN Limited GB — —
213.108.245.0/24 256
0.0%
RETN Limited GB — —
87.245.211.128/25 128
46.9%
RETN Limited EE Harjumaa Tallinn
87.245.213.0/25 128
14.8%
RETN Limited PL Mazovia Warsaw
87.245.226.128/25 128
3.1%
RETN Limited GB — —
87.245.245.128/25 128
39.8%
RETN Limited PL Mazovia Warsaw
87.245.250.128/25 128
10.9%
RETN Limited RU — —
87.245.253.128/25 128
12.5%
RETN Limited RU — —
139.45.192.0/25 128
7.0%
RETN Limited HU — —
139.45.193.0/25 128
7.0%
RETN Limited BG Sofia-Capital Sofia
139.45.201.0/25 128
0.8%
RETN Limited SE Stockholm County Stockholm
139.45.202.0/25 128
6.3%
RETN Limited LT Kaunas Kaunas
139.45.202.128/25 128
6.3%
RETN Limited FI Uusimaa Helsinki
139.45.203.128/25 128
0.0%
RETN Limited DE — —
139.45.210.0/25 128
0.8%
RETN Limited BG Sofia-Capital Sofia
139.45.219.128/25 128
2.3%
RETN Limited GB — —
139.45.220.0/25 128
0.0%
RETN Limited KZ — —
139.45.220.128/25 128
0.0%
RETN Limited RU — —
139.45.222.128/25 128
0.0%
RETN Limited GB — —
139.45.223.128/25 128
0.0%
RETN Limited GB — —
87.245.208.64/26 64
18.8%
RETN Limited LV — —
87.245.209.0/26 64
6.3%
RETN Limited FI — —
87.245.209.192/26 64
6.3%
RETN Limited FI Uusimaa Helsinki
87.245.211.0/26 64
46.9%
RETN Limited NL North Holland Amsterdam
87.245.215.0/26 64
37.5%
RETN Limited AT Vienna Vienna
87.245.215.128/26 64
37.5%
RETN Limited NL North Holland Amsterdam
87.245.226.0/26 64
3.1%
RETN Limited RU — —
87.245.228.192/26 64
34.4%
RETN Limited RU — —
87.245.229.0/26 64
21.9%
RETN Limited NL North Holland Amsterdam
87.245.229.64/26 64
21.9%
RETN Limited DE Hesse Frankfurt am Main
87.245.231.192/26 64
56.3%
RETN Limited SG — —
87.245.235.0/26 64
23.4%
RETN Limited UA — —
87.245.235.128/26 64
23.4%
RETN Limited GB — —
87.245.239.0/26 64
43.8%
RETN Limited LV Riga Riga
87.245.239.64/26 64
43.8%
RETN Limited UA — —
87.245.239.128/26 64
43.8%
RETN Limited FR Île-de-France Paris
87.245.239.192/26 64
43.8%
RETN Limited UA Zaporizhzhia Zaporizhzhya
87.245.241.64/26 64
57.8%
RETN Limited IT — —
87.245.242.0/26 64
70.3%
RETN Limited LV Riga Riga
87.245.242.64/26 64
70.3%
RETN Limited EE — —
87.245.243.64/26 64
43.8%
RETN Limited IT Lombardy Bergamo
87.245.243.192/26 64
43.8%
RETN Limited UA Kharkiv Oblast Kharkiv
87.245.244.128/26 64
40.6%
RETN Limited IT Veneto Padua
87.245.246.0/26 64
78.1%
RETN Limited NL North Holland Amsterdam
87.245.249.64/26 64
40.6%
RETN Limited PL Mazovia Warsaw
87.245.249.128/26 64
40.6%
RETN Limited PL Lesser Poland Krakow
87.245.250.64/26 64
10.9%
RETN Limited RU — —
87.245.251.0/26 64
29.7%
RETN Limited BG Sofia-Capital Sofia
87.245.252.0/26 64
17.2%
RETN Limited IT Lombardy Milan
87.245.253.0/26 64
12.5%
RETN Limited GB — —
87.245.253.64/26 64
12.5%
RETN Limited RU — —
139.45.192.128/26 64
6.3%
RETN Limited HU — —
139.45.194.64/26 64
3.1%
RETN Limited IT Lombardy Milan
139.45.194.128/26 64
3.1%
RETN Limited CH Zurich Zurich
139.45.194.192/26 64
3.1%
RETN Limited FR Île-de-France Paris
139.45.201.128/26 64
0.0%
RETN Limited SE Stockholm County Stockholm
139.45.203.64/26 64
0.0%
RETN Limited CH Zurich Zurich
139.45.210.192/26 64
1.6%
RETN Limited PL Mazovia Warsaw
139.45.218.0/26 64
3.1%
RETN Limited EE — —
139.45.218.64/26 64
3.1%
RETN Limited RO Bucharest Bucharest
139.45.218.192/26 64
3.1%
RETN Limited IT Veneto Padua
139.45.219.64/26 64
1.6%
RETN Limited GB — —
139.45.222.64/26 64
0.0%
RETN Limited GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS9002 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
31.128.32.0/22 19,882 2026-09-02 15:03:34
2.58.98.0/24 16,691 2026-08-23 08:16:09
81.19.134.0/24 14,634 2026-10-01 09:38:20
37.233.86.0/24 14,390 2026-08-04 07:10:09
37.233.84.0/23 14,371 2026-08-04 07:10:09
37.233.82.0/23 14,344 2026-08-04 07:10:09
45.11.94.0/24 14,265 2026-08-04 07:10:09
45.92.174.0/24 14,260 2026-08-04 07:10:09
45.137.188.0/24 14,254 2026-08-04 07:10:09
45.130.212.0/22 14,244 2026-08-04 07:10:09
45.145.5.0/24 14,220 2026-08-04 07:10:09
46.173.20.0/24 14,217 2026-08-04 07:10:09
90.156.254.0/23 14,199 2026-08-04 07:10:09
155.212.229.0/24 14,194 2026-08-04 07:10:09
155.212.231.0/24 14,192 2026-08-04 07:10:09
45.156.20.0/24 14,187 2026-08-04 07:10:09
194.36.208.0/24 14,180 2026-08-04 07:10:09
185.77.231.0/24 14,178 2026-08-04 07:10:09
193.22.244.0/24 14,178 2026-08-04 07:10:09
193.56.188.0/24 14,177 2026-08-04 07:10:09
194.113.209.0/24 14,173 2026-08-04 07:10:09
193.242.106.0/24 14,171 2026-08-04 07:10:09
77.73.233.0/24 14,166 2026-08-04 07:10:09
45.152.86.0/24 14,166 2026-08-04 07:10:09
193.43.72.0/24 14,163 2026-08-04 07:10:09
77.73.235.0/24 14,157 2026-08-04 07:10:09
45.145.168.0/24 14,157 2026-08-04 07:10:09
45.145.6.0/24 14,155 2026-08-04 07:10:09
193.23.3.0/24 14,151 2026-08-04 07:10:09
155.212.228.0/24 14,149 2026-08-04 07:10:09
91.218.142.0/23 14,144 2026-08-04 07:10:09
83.222.20.0/23 14,133 2026-08-04 07:10:09
212.74.231.0/24 14,127 2026-08-04 07:10:09
89.40.204.0/24 14,126 2026-08-04 07:10:09
155.212.225.0/24 14,118 2026-08-04 07:10:09
45.152.87.0/24 14,112 2026-08-04 07:10:09
77.73.238.0/24 14,108 2026-08-04 07:10:09
193.28.186.0/24 14,105 2026-08-04 07:10:09
155.212.226.0/24 14,104 2026-08-04 07:10:09
155.212.224.0/24 14,103 2026-08-04 07:10:09
193.242.109.0/24 14,102 2026-08-04 07:10:09
155.212.230.0/24 14,100 2026-08-04 07:10:09
193.56.190.0/24 14,058 2026-08-04 07:10:09
45.145.163.0/24 14,057 2026-08-04 07:10:09
91.193.25.0/24 14,039 2026-08-04 07:10:09
213.139.229.0/24 14,017 2026-08-04 07:10:09
155.212.227.0/24 13,996 2026-08-04 07:10:09
23.56.98.0/24 9,049 2026-10-01 09:38:20
87.245.224.0/19 8,638 2026-10-01 09:38:20
87.245.208.0/21 8,600 2026-10-01 09:38:20

Showing top 50 of 76 announced prefixes by sample volume.

Frequently Asked Questions

What is AS9002?

AS9002 is an Autonomous System Number assigned to RETN 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 AS9002 announce?

AS9002 announces 24.1K IPv4 addresses distributed across 23 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS9002?

AS9002 is operated by RETN Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS9002 registered in?

AS9002 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: 2026-10-01 09:54:05 UTC
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