AS31727 Node4 Limited

United Kingdom NODE4-AS RIPE 143 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

60,672

IPv6 /48 networks

131,072

RPKI

2 valid143 no ROA

Peers and downstreams

104

Holder

AS name: NODE4-AS
Description: Node4 Limited
Organisation: Node4 Limited
Registered in: Derby, United Kingdom
Abuse contact: abuse@node4.co.uk
Assigned: 2004-07-25
Registered: 2004-07-26
Record last changed: 2022-03-03 09:39 UTC

109.203.100.0/23 109.203.102.0/24 109.203.107.0/24 109.203.109.0/24 109.203.114.0/24 109.203.116.0/24 109.203.118.0/24 109.203.119.0/24 109.203.120.0/24 109.203.123.0/24 109.203.124.0/23 109.203.126.0/24 109.203.96.0/24 109.203.98.0/24 109.234.192.0/21 109.234.192.0/24 109.234.193.0/24 109.234.197.0/24 109.234.198.0/24 109.234.200.0/21 109.234.200.0/24 109.234.202.0/24 109.234.203.0/24 109.234.204.0/24 109.234.205.0/24 109.234.206.0/24 109.234.207.0/24 109.75.172.0/24 109.75.175.0/24 148.253.128.0/19 148.253.129.0/24 148.253.130.0/24 148.253.131.0/24 148.253.133.0/24 148.253.139.0/24 148.253.142.0/24 148.253.143.0/24 148.253.144.0/24 148.253.149.0/24 148.253.151.0/24 148.253.152.0/24 148.253.153.0/24 148.253.156.0/24 157.96.10.0/23 157.96.10.0/24 157.96.11.0/24 157.96.14.0/23 157.96.14.0/24 157.96.15.0/24 157.96.20.0/23 157.96.23.0/24 157.96.26.0/23 157.96.27.0/24 157.96.33.0/24 157.96.36.0/23 157.96.40.0/24 157.96.42.0/24 157.96.47.0/24 157.96.61.0/24 157.96.63.0/24 157.96.64.0/24 157.96.67.0/24 157.96.76.0/23 157.96.78.0/24 157.96.80.0/24 157.96.82.0/23 157.96.89.0/24 157.96.9.0/24 158.255.224.0/21 158.255.224.0/24 158.255.226.0/24 158.255.229.0/24 158.255.230.0/24 158.255.40.0/24 158.255.44.0/24 158.255.45.0/24 158.255.46.0/24 158.255.47.0/24 185.10.88.0/22 185.199.16.0/23 185.199.18.0/23 185.207.120.0/23 185.207.122.0/24 185.207.123.0/24 185.245.128.0/22 185.29.136.0/22 185.29.136.0/24 185.29.137.0/24 185.29.138.0/24 185.82.76.0/22 193.17.187.0/24 193.203.240.0/21 194.30.184.0/24 213.175.215.0/24 213.175.217.0/24 217.78.159.0/24 46.175.50.0/24 46.175.51.0/24 46.231.184.0/21 46.231.185.0/24 46.231.187.0/24 46.231.190.0/24 5.77.39.0/24 5.77.55.0/24 5.77.62.0/23 62.192.128.0/24 62.192.129.0/24 77.111.212.0/22 77.111.216.0/21 77.111.221.0/24 77.111.224.0/22 77.111.225.0/24 82.196.224.0/24 82.196.234.0/24 83.166.160.0/19 83.166.160.0/24 83.166.164.0/24 83.166.165.0/24 83.166.167.0/24 83.166.168.0/24 83.166.171.0/24 83.166.172.0/24 83.166.176.0/24 83.166.177.0/24 83.166.184.0/24 89.248.48.0/20 89.248.48.0/21 89.248.48.0/24 89.248.49.0/24 89.248.53.0/24 89.248.54.0/24 89.248.55.0/24 89.248.56.0/24 89.248.58.0/24 89.248.59.0/24 89.248.63.0/24 89.255.174.0/23 91.236.26.0/23 93.174.136.0/22 93.174.136.0/24 93.174.137.0/24 93.174.140.0/22 93.174.141.0/24

AS286	Kpn KPN
AS1031	PEER 1031 LLC PEER1-1031
AS1267	WIND TRE S.P.A. ASN-WINDTRE
AS1828	Unitas Global UNITAS
AS2856	British Telecommunications Limited BT-UK-AS
AS3170	VeloxServ Communications Ltd VELOXSERV
AS3214	xTom GmbH XTOM
AS3216	PJSC "Vimpelcom" SOVAM-AS
AS3741	Dimension Data
AS4455	IX Reach Ltd BSO
AS4657	StarHub Ltd STARHUB-INTERNET
AS5405	Inter.link GmbH INTERDOTLINK
AS5713	Telkom SA Ltd.
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6461	Zayo Bandwidth ZAYO-6461
AS6894	KDDI Europe Ltd KDDI-EUROPE
AS7195	EDGEUNO S.A.S AS7195
AS8220	COLT Technology Services Group Limited COLT
AS8426	Claranet Limited CLARANET-AS
AS8455	atom86 BV ATOM86-AS
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8714	London Internet Exchange Ltd. LINX-ROUTESRV
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC Etisalat-AS
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
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
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
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
AS29452	Secura Hosting Ltd SECURA-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
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
AS39620	NG BAILEY IT SERVICES LIMITED ngbaileyit-uk
AS39633	COMPUTER SYSTEMS INTEGRATION GROUP LIMITED PITCORE
AS41095	IPTP LTD IPTP
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS42708	Glesys AB GLESYS
AS44052	ICONIC MEDIA SYSTEMS LIMITED PRESSCOMPUTER-ASN
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS49544	i3D.net B.V i3Dnet
AS49793	LMP Technical Services Ltd IAIN-MCWILLIAMS-AS
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
AS208363	Cellhire France SARL CellhireFrance
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

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 2 of 145 announced prefixes are RPKI valid, 143 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@node4.co.uk is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
fail	Registry record maintained Last changed 2022-03-03.	0/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/31727"><img src="https://ip-fd.net/badge/asn/31727/health.svg" alt="AS31727 network health on IP-FD.net"></a>

Markdown

[![AS31727 network health](https://ip-fd.net/badge/asn/31727/health.svg)](https://ip-fd.net/asn/31727)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-04 19:01 UTC	Neighbour gone	AS39351	upstream
2026-10-04 19:01 UTC	Neighbour gone	AS37282	upstream
2026-10-04 19:01 UTC	Neighbour gone	AS20764	upstream
2026-10-04 19:01 UTC	Neighbour gone	AS6908	downstream
2026-10-04 19:01 UTC	Relationship changed	AS9044	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS9009	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS8966	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS8714	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS8455	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS7195	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS6461	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS64049	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS61049	upstream to peer
2026-10-04 19:01 UTC	New neighbour	AS6057	peer
2026-10-04 19:01 UTC	Relationship changed	AS60171	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS58453	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS5713	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS5405	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS50304	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS48362	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS4657	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS4455	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS42708	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS41327	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS41095	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS39120	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS37497	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS3741	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS35280	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS34927	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS34549	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS34177	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS3216	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS286	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS2856	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 19:01 UTC	New neighbour	AS215638	peer
2026-10-04 19:01 UTC	Relationship changed	AS21215	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS20562	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS17557	upstream to peer
2026-10-04 19:01 UTC	New neighbour	AS15830	peer
2026-10-04 19:01 UTC	Relationship changed	AS15802	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS14840	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS13030	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS12779	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS1267	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS12552	upstream to peer
2026-10-04 19:01 UTC	Relationship changed	AS1031	upstream to peer

WHOIS

aut-num:        AS31727
as-name:        NODE4-AS
remarks:        ******************************************************
remarks:        * ABUSE REPORTS *
remarks:        * E-mail: abuse at node4.co.uk *
remarks:        ******************************************************
remarks:        * NOC Contact Details *
remarks:        * Email: support at node4.co.uk *
remarks:        ******************************************************
remarks:        ****************************************************
remarks:        * Transit Providers *
remarks:        ****************************************************
remarks:        ** XchangePointMLP **
remarks:        ** Level3 **
remarks:        ** PacketExchange Express **
remarks:        ** AboveNET MFN**
remarks:        ** Teleglobe **
remarks:        ****************************************************
remarks:        * LINX Peering *
remarks:        ****************************************************
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remarks:        ****************************************************
remarks:        * Downstream AS *
remarks:        ****************************************************
remarks:        
remarks:        ** ClicknBuy **
remarks:        ** BBUK **
remarks:        ** HATandFEET **
remarks:        ** KENCOMP **
remarks:        ** CELLHIRE **
remarks:        
remarks:        ****************************************************
remarks:        * Node4 operates an open peering policy please *
remarks:        * email peering@node4.co.uk *
remarks:        ****************************************************
remarks:        * Peering at LINX *
remarks:        * AS Number: 31727 *
remarks:        * AS Macro: AS-NODE4 *
remarks:        * IP Address: 195.66.224.135 *
remarks:        ****************************************************
remarks:        * Peering at Xchange Point *
remarks:        * AS Number: 31727 *
remarks:        * AS Macro: AS-NODE4 *
remarks:        * IP Address: 83.245.126.37 *
remarks:        ****************************************************
org:            ORG-NL21-RIPE
admin-c:        NFNR-RIPE
tech-c:         NFNR-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         N4-NOC
created:        2004-07-26T15:22:14Z
last-modified:  2022-03-03T09:39:51Z
source:         RIPE
% 312 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/31727

const res = await fetch('https://ip-fd.net/api/v1/asn/31727', {
  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/31727', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/31727');
curl_setopt($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/31727", 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.

AS174
AS2914	NTT America, Inc. NTT-DATA-2914
AS3257	GTT Communications Inc. GTT-BACKBONE
AS3356	Level 3 Parent, LLC LEVEL3
AS6939	Hurricane Electric LLC HURRICANE