AS35228 Telefonica UK Limited

United Kingdom O2BROADBAND RIPE 113 IPv4 prefixes 26 IPv6 prefixes

IPv4 addresses

215,296

IPv6 /48 networks

65,536

RPKI

133 valid6 no ROA

Peers and downstreams

Holder

AS name: O2BROADBAND
Description: Telefonica UK Limited
Organisation: Telefonica UK Limited
Registered in: Reading, United Kingdom
Abuse contact: internet.peering@telefonica.com
Assigned: 2005-06-27
Registered: 2005-06-27
Record last changed: 2019-12-04 11:18 UTC

158.230.0.0/17 158.230.200.0/22 158.230.201.0/24 185.132.84.0/24 185.79.104.0/23 185.79.106.0/23 46.233.64.0/18 46.233.78.0/24 46.233.79.0/24 46.233.82.0/23 46.233.82.0/24 46.233.83.0/24 46.233.88.0/23 46.233.88.0/24 46.233.89.0/24 46.233.91.0/24 46.233.94.0/24 46.233.96.0/21 82.132.128.0/17 82.132.138.0/23 82.132.144.0/23 82.132.160.0/23 82.132.164.0/23 82.132.166.0/23 82.132.168.0/23 82.132.170.0/23 82.132.172.0/23 82.132.174.0/23 82.132.176.0/23 82.132.180.0/23 82.132.184.0/22 82.132.198.0/23 82.132.199.0/24 82.132.210.0/23 82.132.212.0/22 82.132.216.0/22 82.132.220.0/22 82.132.228.0/22 82.132.232.0/22 82.132.236.0/22 82.132.244.0/22 82.132.248.0/23 82.132.253.0/24 87.194.0.0/16 87.194.0.0/19 87.194.0.0/20 87.194.0.0/23 87.194.1.0/24 87.194.100.0/22 87.194.104.0/22 87.194.108.0/23 87.194.112.0/23 87.194.115.0/24 87.194.116.0/24 87.194.117.0/24 87.194.118.0/24 87.194.12.0/23 87.194.21.0/24 87.194.216.0/23 87.194.218.0/23 87.194.218.0/24 87.194.219.0/24 87.194.22.0/24 87.194.220.0/23 87.194.23.0/24 87.194.24.0/24 87.194.25.0/24 87.194.254.0/23 87.194.4.0/23 87.194.54.0/23 87.194.64.0/21 87.194.65.0/24 87.194.69.0/24 87.194.8.0/23 87.194.82.0/24 87.194.83.0/24 93.97.0.0/16 93.97.0.0/22 93.97.12.0/22 93.97.128.0/22 93.97.132.0/22 93.97.16.0/22 93.97.170.0/23 93.97.172.0/22 93.97.176.0/22 93.97.180.0/22 93.97.192.0/22 93.97.196.0/22 93.97.200.0/22 93.97.204.0/22 93.97.208.0/22 93.97.212.0/22 93.97.216.0/22 93.97.220.0/22 93.97.224.0/23 93.97.240.0/21 93.97.241.0/24 93.97.32.0/22 93.97.4.0/22 93.97.48.0/22 93.97.52.0/22 93.97.56.0/22 93.97.60.0/22 93.97.64.0/23 93.97.66.0/23 93.97.68.0/23 93.97.70.0/23 93.97.72.0/23 93.97.74.0/23 93.97.76.0/23 93.97.78.0/23 93.97.8.0/22 93.97.80.0/23

AS286	Kpn KPN
AS1031	PEER 1031 LLC PEER1-1031
AS1267	WIND TRE S.P.A. ASN-WINDTRE
AS1828	Unitas Global UNITAS
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3214	xTom GmbH XTOM
AS3216	PJSC "Vimpelcom" SOVAM-AS
AS3741	Dimension Data
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6894	KDDI Europe Ltd KDDI-EUROPE
AS7195	EDGEUNO S.A.S AS7195
AS8220	COLT Technology Services Group Limited COLT
AS8426	Claranet Limited CLARANET-AS
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8943	Jump Networks Ltd JUMP
AS9002	RETN Limited RETN-AS
AS9009	M247 Europe SRL M247
AS9044	BSE Software GmbH SOLNET
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS12779	IT.Gate S.p.A. ITGATE
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13030	Init7 (Switzerland) Ltd. INIT7
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS15412	Flag Telecom UK Limited FLAG-AS
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
AS16347	ADISTA SAS INHERENT
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29180	Telefonica UK Limited O2-ONLINE-AS
AS31122	Digiweb ltd DIGIWEB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34927	iFog GmbH iFog-GmbH
AS35266	EX Networks Limited EXN-AS
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37282	Main one Cable Company Nigeria Limited
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37680	Cool Ideas Service Provider (Pty) Ltd
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS49544	i3D.net B.V i3Dnet
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS198150	SIACOM JSC SIACOM-AS
AS207841	Inferno Communications Ltd INFERNO
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213241	TECHIT.BE SRL TECHIT
AS215638	Cilix Limited AS-CILIX-LIMITED
AS263152	MIGO TELECOM AS263152
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Routing changes

Last 30 days

2026-10-04 05:38 UTC	Neighbour gone	AS137409	upstream
2026-10-04 05:38 UTC	Neighbour gone	AS20764	upstream
2026-10-04 05:38 UTC	Neighbour gone	AS8966	upstream
2026-10-04 05:38 UTC	Neighbour gone	AS7575	upstream
2026-10-04 05:38 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS8943	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 05:38 UTC	New neighbour	AS6057	peer
2026-10-04 05:38 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS37497	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS3741	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS37282	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS3216	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS286	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS215638	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS21215	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS15802	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS15412	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS13030	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS1267	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS12552	upstream to peer
2026-10-04 05:38 UTC	Relationship changed	AS1031	upstream to peer
2026-10-04 05:38 UTC	Prefix gone	82.132.228.0/24
2026-10-04 05:38 UTC	New prefix	82.132.144.0/23
2026-10-04 05:38 UTC	New prefix	87.194.254.0/23
2026-10-04 05:38 UTC	New prefix	87.194.8.0/23
2026-10-04 05:38 UTC	New prefix	87.194.4.0/23
2026-10-04 05:38 UTC	New prefix	87.194.112.0/23
2026-10-04 05:38 UTC	New prefix	87.194.0.0/20
2026-10-04 05:38 UTC	New prefix	87.194.0.0/23
2026-10-04 05:38 UTC	New prefix	87.194.12.0/23

WHOIS

aut-num:        AS35228
as-name:        O2BROADBAND
org:            ORG-ABL1-RIPE
admin-c:        OBH9-RIPE
tech-c:         OBH9-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-AVATAR
created:        2005-06-27T14:49:53Z
last-modified:  2019-12-04T11:18:56Z
source:         RIPE
% 431 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/35228

const res = await fetch('https://ip-fd.net/api/v1/asn/35228', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/35228', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/35228');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/35228", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS3257	GTT Communications Inc. GTT-BACKBONE
AS5089	Virgin Media Limited NTL
AS6939	Hurricane Electric LLC HURRICANE
AS12956	TELEFONICA GLOBAL SOLUTIONS SL TELXIUS

AS29180	Telefonica UK Limited O2-ONLINE-AS
AS39060	Sainsbury's Supermarkets Ltd SAINSBURYS-NET
AS50063	Sainsbury's Supermarkets Ltd SAINSBURYS-NET
AS57850	Northumbrian Water Ltd NWL-AS