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Autonomous System

AS35228

O2 UK

Announced IPs
201,728
CIDR prefixes
20
ASN
AS35228

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 100-200Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Selective

Present at 2 internet exchanges: LINX LON1: Main, LINX LON2

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
87.194.0.0/16 65.5K
93.5%
O2 UK GB — —
93.97.0.0/16 65.5K
87.4%
O2 UK GB England Fulham
158.230.0.0/17 32.8K
0.2%
O2 UK GB — —
46.233.64.0/18 16.4K
0.1%
O2 UK GB England Lambeth
46.233.96.0/19 8.2K
0.2%
O2 UK GB England Lambeth
46.233.80.0/20 4.1K
0.0%
O2 UK GB England Lambeth
82.132.160.0/20 4.1K
81.3%
O2 UK GB England Birmingham
82.132.224.0/20 4.1K
99.7%
O2 UK GB England City of Westminster
46.233.72.0/21 2.0K
0.1%
O2 UK GB England Lambeth
82.132.176.0/21 2.0K
13.0%
O2 UK GB England Brighton
82.132.216.0/21 2.0K
99.7%
O2 UK GB England Thornton Heath
82.132.240.0/21 2.0K
74.9%
O2 UK GB England Birmingham
46.233.68.0/22 1.0K
0.0%
O2 UK GB — —
82.132.184.0/22 1.0K
0.0%
O2 UK GB England Bury
82.132.212.0/22 1.0K
99.7%
O2 UK GB England Islington
158.230.200.0/22 1.0K
0.5%
O2 UK GB — —
185.79.104.0/22 1.0K
0.0%
O2 UK GB — —
46.233.66.0/23 512
0.0%
O2 UK GB — —
82.132.138.0/23 512
14.3%
O2 UK GB — —
82.132.144.0/23 512
3.3%
O2 UK GB — —
82.132.186.0/23 512
0.0%
O2 UK GB — —
82.132.198.0/23 512
50.0%
O2 UK GB — —
82.132.210.0/23 512
0.2%
O2 UK GB — —
82.132.248.0/23 512
0.2%
O2 UK GB — —
46.233.64.0/24 256
0.0%
O2 UK GB — —
82.132.184.0/24 256
0.0%
O2 UK GB — —
82.132.253.0/24 256
9.0%
O2 UK GB — —
185.132.84.0/24 256
0.0%
O2 UK GB — —
46.233.65.128/25 128
0.0%
O2 UK GB — —
82.132.185.0/25 128
0.0%
O2 UK GB — —
46.233.65.0/26 64
0.0%
O2 UK GB — —
82.132.185.128/26 64
0.0%
O2 UK GB — —
46.233.65.64/27 32
0.0%
O2 UK GB — —
82.132.185.224/27 32
0.0%
O2 UK GB — —
46.233.65.112/28 16
0.0%
O2 UK GB — —
82.132.185.192/28 16
0.0%
O2 UK GB — —
82.132.185.208/29 8
0.0%
O2 UK GB — —
46.233.65.104/30 4
0.0%
O2 UK GB — —
82.132.185.216/30 4
0.0%
O2 UK GB — —
46.233.65.102/31 2
0.0%
O2 UK GB — —
82.132.185.222/31 2
0.0%
O2 UK GB — —
46.233.65.96/32 1
0.0%
O2 UK GB — —
46.233.65.97/32 1
0.0%
O2 UK IE — —
46.233.65.98/32 1
0.0%
O2 UK IE — —
46.233.65.99/32 1
0.0%
O2 UK GB — —
46.233.65.100/32 1
0.0%
O2 UK IE — —
46.233.65.101/32 1
0.0%
O2 UK GB — —
46.233.65.108/32 1
0.0%
O2 UK IE — —
46.233.65.109/32 1
0.0%
O2 UK GB — —
46.233.65.110/32 1
0.0%
O2 UK IE — —
46.233.65.111/32 1
0.0%
O2 UK GB — —
82.132.185.220/32 1
0.0%
O2 UK IE — —
82.132.185.221/32 1
0.0%
O2 UK GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS35228 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
87.194.117.0/24 53,175 2026-11-14 08:22:06
82.132.210.0/23 47,765 2026-11-14 08:22:06
82.132.199.0/24 47,591 2026-11-14 08:22:06
87.194.24.0/24 47,557 2026-11-14 08:22:06
82.132.248.0/23 46,609 2026-11-14 08:22:06
93.97.80.0/23 46,560 2026-11-14 08:22:06
82.132.138.0/23 46,454 2026-11-14 08:22:06
82.132.198.0/23 46,425 2026-11-14 08:22:06
87.194.1.0/24 46,204 2026-11-14 08:22:06
87.194.115.0/24 45,932 2026-11-14 08:22:06
87.194.116.0/24 45,885 2026-11-14 08:22:06
87.194.118.0/24 45,805 2026-11-14 08:22:06
87.194.108.0/23 45,703 2026-11-14 08:22:06
46.233.82.0/23 31,406 2026-11-14 08:21:53
46.233.82.0/24 30,618 2026-11-14 08:21:41
46.233.83.0/24 30,593 2026-11-14 08:21:43
87.194.218.0/23 30,153 2026-11-14 08:21:56
87.194.219.0/24 27,112 2026-11-14 08:21:37
93.97.16.0/22 25,702 2026-11-14 08:22:06
93.97.8.0/22 25,490 2026-11-14 08:22:06
93.97.12.0/22 25,476 2026-11-14 08:22:06
93.97.0.0/22 25,430 2026-11-14 08:22:06
93.97.4.0/22 25,372 2026-11-14 08:22:06
46.233.88.0/23 25,029 2026-11-14 08:21:38
46.233.88.0/24 24,230 2026-11-14 08:21:44
46.233.89.0/24 24,226 2026-11-14 08:21:40
87.194.218.0/24 23,552 2026-11-14 08:21:37
93.97.220.0/22 22,996 2026-11-14 08:22:06
93.97.216.0/22 22,627 2026-11-14 08:22:06
93.97.224.0/23 22,587 2026-11-14 08:22:06
93.97.176.0/22 22,458 2026-11-14 08:22:06
93.97.208.0/22 22,439 2026-11-14 08:22:06
93.97.212.0/22 22,414 2026-11-14 08:22:06
93.97.180.0/22 22,399 2026-11-14 08:22:06
93.97.132.0/22 22,382 2026-11-14 08:22:06
93.97.172.0/22 22,378 2026-11-14 08:22:06
93.97.200.0/22 22,367 2026-11-14 08:22:06
93.97.204.0/22 22,355 2026-11-14 08:22:06
87.194.220.0/23 22,350 2026-11-14 08:22:06
93.97.192.0/22 22,315 2026-11-14 08:22:06
93.97.170.0/23 22,307 2026-11-14 08:22:06
87.194.216.0/23 22,264 2026-11-14 08:22:06
93.97.196.0/22 22,198 2026-11-14 08:22:06
93.97.128.0/22 22,181 2026-11-14 08:22:06
93.97.240.0/21 22,144 2026-11-14 08:22:06
46.233.64.0/18 22,072 2026-11-14 08:22:06
185.132.84.0/24 21,849 2026-11-14 08:22:06
82.132.220.0/22 21,822 2026-11-14 08:22:06
82.132.176.0/23 21,802 2026-11-14 08:22:06
93.97.52.0/22 21,659 2026-11-14 08:22:06

Showing top 50 of 136 announced prefixes by sample volume.

Frequently Asked Questions

What is AS35228?

AS35228 is an Autonomous System Number assigned to O2 UK. 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 AS35228 announce?

AS35228 announces 201.7K IPv4 addresses distributed across 20 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS35228?

AS35228 is operated by O2 UK. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS35228 registered in?

AS35228 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: 2026-11-14 08:24:04 UTC
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