AS58273 Broadband for the Rural North Limited.

United Kingdom B4RN-AS RIPE 48 IPv4 prefixes 20 IPv6 prefixes

IPv4 addresses

23,296

IPv6 /48 networks

671,752

RPKI

68 valid0 no ROA

Peers and downstreams

Holder

AS name: B4RN-AS
Description: Broadband for the Rural North Limited.
Organisation: Broadband for the Rural North Limited.
Abuse contact: abuse@b4rn.org.uk
Assigned: 2012-06-11
Registered: 2012-06-12
Record last changed: 2025-04-30 14:26 UTC

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
AS8426	Claranet Limited CLARANET-AS
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8714	London Internet Exchange Ltd. LINX-ROUTESRV
AS9002	RETN Limited RETN-AS
AS9009	M247 Europe SRL M247
AS9044	BSE Software GmbH SOLNET
AS9304	HGC Global Communications Limited HUTCHISON-AS-AP
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS12779	IT.Gate S.p.A. ITGATE
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
AS15830	Equinix (EMEA) Acquisition Enterprises B.V. Equinix
AS16347	ADISTA SAS INHERENT
AS17557	Pakistan Telecommunication Company Limited PKTELECOM-AS-PK
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS25160	Vorboss Limited VORBOSS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS29075	IELO-LIAZO SERVICES SAS IELO
AS31122	Digiweb ltd DIGIWEB-AS
AS31500	Global Network Management Inc GNM-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
AS37468	Angola Cables
AS37497	Network Platforms (PTY) LTD
AS37680	Cool Ideas Service Provider (Pty) Ltd
AS37721	Virtual Technologies & Solutions
AS39120	Convergenze S.p.A. CONVERGENZE-AS
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
AS58453	China Mobile International Limited CMI-INT-HK
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61049	Exascale Ltd EXASCALE
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS64049	Reliance Jio Infocomm Pte Ltd Singapore RJIPL-SG
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS200612	Gulf Bridge International Inc. GulfBridgeInternational
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
AS264409	Huge Solucoes Corporativas Ltda AS264409
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Routing changes

Last 30 days

2026-10-04 07:27 UTC	Neighbour gone	AS37282	upstream
2026-10-04 07:27 UTC	Neighbour gone	AS20764	upstream
2026-10-04 07:27 UTC	Relationship changed	AS9304	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS8714	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS64049	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 07:27 UTC	New neighbour	AS6057	peer
2026-10-04 07:27 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS58453	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS39351	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS39120	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS37497	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS3741	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS3216	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS31500	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS22356	upstream to peer
2026-10-04 07:27 UTC	New neighbour	AS215638	peer
2026-10-04 07:27 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS17557	upstream to peer
2026-10-04 07:27 UTC	New neighbour	AS15830	peer
2026-10-04 07:27 UTC	Relationship changed	AS15802	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS12779	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS1267	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS12552	upstream to peer
2026-10-04 07:27 UTC	Relationship changed	AS1031	upstream to peer

WHOIS

aut-num:        AS58273
as-name:        B4RN-AS
org:            ORG-BftR1-RIPE
remarks:        Network Operations Contact:
remarks:        noc@b4rn.org.uk
remarks:        ABUSE REPORTS NOTICE:
remarks:        All abuse reports for AS58273 should be
remarks:        sent to abuse@b4rn.org.uk
remarks:        Global Transit
remarks:        Private IX Peering
remarks:        Customer Peering
admin-c:        BFRN1-RIPE
tech-c:         BFRN1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         B4RN-MNT
created:        2012-06-12T15:05:35Z
last-modified:  2025-04-30T14:26:52Z
source:         RIPE
% 10 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/58273

const res = await fetch('https://ip-fd.net/api/v1/asn/58273', {
  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/58273', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/58273');
curl_setopt($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/58273", 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.

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