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Autonomous System

AS5555

Sohonet Limited

Announced IPs
37,632
CIDR prefixes
14
ASN
AS5555

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

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 2 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS5555 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)
45.149.252.0/22 AS5555, AS56595 2026-07-24 12:23:47
89.32.88.0/21 AS5555, AS56595 2026-07-24 09:23:49

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
46.248.224.0/19 8.2K
97.7%
Sohonet Limited GB England City of London
89.16.224.0/19 8.2K
99.2%
Sohonet Limited GB
193.203.64.0/19 8.2K
92.9%
Sohonet Limited GB England City of London
67.224.96.0/20 4.1K
76.1%
Sohonet Limited US California Los Angeles
89.16.224.0/20 4.1K
0.0%
Sohonet Limited GB
193.203.64.0/20 4.1K
0.0%
Sohonet Limited GB England City of London
67.224.96.0/21 2.0K
0.0%
Sohonet Limited US California Los Angeles
89.16.248.0/21 2.0K
0.0%
Sohonet Limited GB
173.0.160.0/21 2.0K
79.7%
Sohonet Limited US California Sherman Oaks
208.65.208.0/21 2.0K
85.9%
Sohonet Limited US New York Brooklyn
74.119.180.0/22 1.0K
94.5%
Sohonet Limited US Georgia Atlanta
89.16.244.0/22 1.0K
0.0%
Sohonet Limited GB
173.0.160.0/22 1.0K
0.0%
Sohonet Limited US California Sherman Oaks
173.0.168.0/22 1.0K
89.6%
Sohonet Limited US Tennessee Arrington
185.116.56.0/22 1.0K
93.6%
Sohonet Limited GB England City of London
193.203.92.0/22 1.0K
0.0%
Sohonet Limited GB
67.224.110.0/23 512
0.0%
Sohonet Limited US
173.0.166.0/23 512
0.0%
Sohonet Limited US California Los Angeles
173.0.172.0/23 512
90.8%
Sohonet Limited US
193.203.82.0/23 512
0.0%
Sohonet Limited GB
193.203.84.0/23 512
0.0%
Sohonet Limited GB
193.203.88.0/23 512
0.0%
Sohonet Limited GB
205.175.210.0/23 512
91.8%
Sohonet Limited US New York Brooklyn
23.138.224.0/24 256
99.6%
Sohonet Limited US Georgia Fayetteville
67.224.104.0/24 256
0.0%
Sohonet Limited CA Ontario Toronto
67.224.105.0/24 256
0.0%
Sohonet Limited GB
67.224.106.0/24 256
0.0%
Sohonet Limited CA Ontario Toronto
67.224.107.0/24 256
0.0%
Sohonet Limited US California Los Angeles
67.224.108.0/24 256
0.0%
Sohonet Limited CA British Columbia Vancouver
67.224.109.0/24 256
0.0%
Sohonet Limited US
89.16.240.0/24 256
0.0%
Sohonet Limited GB
89.16.241.0/24 256
0.0%
Sohonet Limited DE
89.16.242.0/24 256
0.0%
Sohonet Limited FR Île-de-France Paris
89.16.243.0/24 256
0.0%
Sohonet Limited GB
173.0.164.0/24 256
0.0%
Sohonet Limited CA British Columbia Vancouver
173.0.165.0/24 256
0.0%
Sohonet Limited US California Burbank
173.0.174.0/24 256
90.2%
Sohonet Limited US
185.116.59.0/24 256
0.0%
Sohonet Limited GB England City of London
193.203.80.0/24 256
0.0%
Sohonet Limited GB
193.203.87.0/24 256
0.0%
Sohonet Limited GB
193.203.90.0/24 256
0.0%
Sohonet Limited FR Île-de-France Paris
193.203.91.0/24 256
0.0%
Sohonet Limited GB
216.99.28.0/24 256
0.0%
Sohonet Limited US
185.116.56.128/25 128
0.0%
Sohonet Limited GB
185.116.57.128/25 128
0.0%
Sohonet Limited GB
185.116.58.128/25 128
0.0%
Sohonet Limited GB
193.203.81.128/25 128
0.0%
Sohonet Limited GB
193.203.86.128/25 128
0.0%
Sohonet Limited GB
185.116.57.64/26 64
0.0%
Sohonet Limited GB
185.116.58.64/26 64
0.0%
Sohonet Limited GB
193.203.81.64/26 64
0.0%
Sohonet Limited GB
193.203.86.0/26 64
0.0%
Sohonet Limited GB
185.116.56.96/27 32
0.0%
Sohonet Limited GB
193.203.81.0/27 32
0.0%
Sohonet Limited GB
193.203.86.64/27 32
0.0%
Sohonet Limited GB
185.116.56.48/28 16
0.0%
Sohonet Limited GB
185.116.56.80/28 16
0.0%
Sohonet Limited GB
185.116.58.16/28 16
0.0%
Sohonet Limited US
185.116.58.32/28 16
0.0%
Sohonet Limited US
193.203.81.32/28 16
0.0%
Sohonet Limited GB
193.203.86.96/28 16
0.0%
Sohonet Limited GB
185.116.56.16/29 8
0.0%
Sohonet Limited GB
185.116.56.32/29 8
0.0%
Sohonet Limited GB
185.116.56.72/29 8
0.0%
Sohonet Limited GB
185.116.57.0/29 8
0.0%
Sohonet Limited GB
185.116.57.24/29 8
0.0%
Sohonet Limited GB
185.116.57.56/29 8
0.0%
Sohonet Limited GB
185.116.58.0/29 8
0.0%
Sohonet Limited GB
185.116.58.48/29 8
0.0%
Sohonet Limited US
185.116.58.56/29 8
0.0%
Sohonet Limited GB
193.203.81.48/29 8
0.0%
Sohonet Limited GB
193.203.86.112/29 8
0.0%
Sohonet Limited GB
185.116.56.0/30 4
0.0%
Sohonet Limited US
185.116.56.4/30 4
0.0%
Sohonet Limited GB
185.116.56.12/30 4
0.0%
Sohonet Limited GB
185.116.56.24/30 4
0.0%
Sohonet Limited GB
185.116.56.28/30 4
0.0%
Sohonet Limited US
185.116.56.40/30 4
0.0%
Sohonet Limited US
185.116.56.44/30 4
0.0%
Sohonet Limited GB
185.116.56.64/30 4
0.0%
Sohonet Limited GB
185.116.56.68/30 4
0.0%
Sohonet Limited US
185.116.57.20/30 4
0.0%
Sohonet Limited GB
185.116.57.32/30 4
0.0%
Sohonet Limited GB
185.116.57.40/30 4
0.0%
Sohonet Limited US
185.116.57.44/30 4
0.0%
Sohonet Limited GB
185.116.57.48/30 4
0.0%
Sohonet Limited GB
185.116.58.12/30 4
0.0%
Sohonet Limited US
193.203.81.56/30 4
0.0%
Sohonet Limited GB
193.203.86.120/30 4
0.0%
Sohonet Limited GB
185.116.56.8/31 2
0.0%
Sohonet Limited GB
185.116.57.10/31 2
0.0%
Sohonet Limited US
185.116.57.12/31 2
0.0%
Sohonet Limited GB
185.116.57.18/31 2
0.0%
Sohonet Limited US
185.116.57.36/31 2
0.0%
Sohonet Limited GB
185.116.57.52/31 2
0.0%
Sohonet Limited US
185.116.57.54/31 2
0.0%
Sohonet Limited GB
185.116.58.8/31 2
0.0%
Sohonet Limited GB
193.203.81.60/31 2
0.0%
Sohonet Limited GB
193.203.86.126/31 2
0.0%
Sohonet Limited GB
185.116.56.10 1
0.0%
Sohonet Limited GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5555 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
173.0.160.0/20 16,526 2026-07-24 17:24:19
67.224.96.0/20 16,325 2026-07-24 17:24:19
67.224.96.0/21 16,307 2026-07-24 17:24:19
173.0.160.0/23 15,966 2026-07-24 17:24:19
67.224.107.0/24 15,929 2026-07-24 17:24:19
74.119.180.0/22 15,845 2026-07-24 17:24:19
208.65.212.0/22 15,754 2026-07-24 17:24:19
205.175.210.0/24 15,426 2026-07-24 17:24:19
208.65.208.0/21 15,276 2026-07-24 17:24:19
205.175.210.0/23 8,930 2026-07-24 17:24:46
46.248.255.0/24 8,085 2026-07-24 17:24:43
23.138.224.0/24 7,613 2026-07-24 15:47:20
74.119.180.0/24 7,490 2026-07-24 15:47:20
173.0.162.0/24 7,431 2026-07-24 15:47:20
173.0.168.0/24 7,374 2026-07-24 15:47:20
67.224.108.0/24 7,270 2026-07-24 16:42:36
216.99.28.0/24 7,239 2026-07-24 15:47:20
173.0.164.0/24 7,207 2026-07-24 16:42:36
185.116.56.0/22 7,046 2026-07-24 15:47:20
173.0.162.0/23 5,729 2026-07-24 17:24:46
46.248.224.0/19 5,725 2026-07-24 17:07:51
89.16.224.0/19 5,710 2026-07-24 17:07:51
173.0.172.0/23 5,637 2026-07-24 17:24:46
67.224.106.0/24 5,583 2026-07-24 17:24:43
67.224.105.0/24 5,577 2026-07-24 17:24:43
67.224.104.0/23 5,558 2026-07-24 17:24:43
173.0.163.0/24 5,558 2026-07-24 17:24:46
193.203.64.0/19 5,520 2026-07-24 17:07:51
173.0.173.0/24 5,470 2026-07-24 17:24:46
173.0.172.0/24 5,229 2026-07-24 17:24:46
208.65.208.0/22 4,847 2026-07-24 15:46:39
45.149.252.0/22 18 2026-07-23 12:36:52
89.32.88.0/21 13 2026-07-23 12:36:52

Frequently Asked Questions

What is AS5555?

AS5555 is an Autonomous System Number assigned to Sohonet 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 AS5555 announce?

AS5555 announces 37.6K IPv4 addresses distributed across 14 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS5555?

AS5555 is operated by Sohonet Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS5555 registered in?

AS5555 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: 2026-07-24 17:25:31 UTC
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