AS43519 Nominet UK

United Kingdom NOMINETANYCAST RIPE 35 IPv4 prefixes 39 IPv6 prefixes

IPv4 addresses

8,960

IPv6 /48 networks

RPKI

74 valid0 no ROA

Peers and downstreams

126

Holder

AS name: NOMINETANYCAST
Description: Nominet UK
Organisation: Nominet UK
Registered in: Oxford, United Kingdom
Abuse contact: noc@nominet.org.uk
Assigned: 2007-08-14
Registered: 2007-08-15
Record last changed: 2025-09-02 13:15 UTC

AS286	Kpn KPN
AS559	SWITCH Switch
AS917	Misaka Network, Inc. MISAKA
AS1031	PEER 1031 LLC PEER1-1031
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1267	WIND TRE S.P.A. ASN-WINDTRE
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
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
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3741	Dimension Data
AS4230	CLARO S.A. AS4230
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
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6777	Amsterdam Internet Exchange B.V. AMS-IX-RS
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS6894	KDDI Europe Ltd KDDI-EUROPE
AS7195	EDGEUNO S.A.S AS7195
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS9009	M247 Europe SRL M247
AS9044	BSE Software GmbH SOLNET
AS10111	Zeofast Network ZEONET-AS-AP
AS12552	GlobalConnect AB GlobalConnect-AS12552
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13194	UAB "Bite Lietuva" BITE
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15412	Flag Telecom UK Limited FLAG-AS
AS15547	netplus.ch SA NETPLUS
AS15576	NTS workspace AG NTS
AS15605	Connesi s.p.a. CONNESI
AS15802	Emirates Integrated Telecommunications Company PJSC DU-AS1
AS15958	CETIN Ltd. Belgrade CETIN_doo_AS
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
AS20764	CJSC RASCOM RASCOM-AS
AS20766	Association "Gitoyen" GITOYEN-MAIN-AS
AS20932	Services Industriels de Geneve SIG-ST
AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28792	Public Internet Ltd PUBLIC-INTERNET
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29632	Netassist International EOOD NASSIST-AS
AS30844	Liquid Telecommunications Ltd LIQUID-AS
AS31122	Digiweb ltd DIGIWEB-AS
AS31742	Sota Solutions Ltd. SOTACONNECT
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34019	Hivane Association HIVANE
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
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS39686	Eurofiber Nederland BV AS-EUROFIBER
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42473	Anexia Cloud Solutions GmbH AS-ANEXIA
AS42541	Fiberby ApS FIBERBY
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS48070	DSM (GB) Limited DSM
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS49559	A-Systems Sp. z o.o. IPT-1-IX
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50304	Blix Solutions AS BLIX
AS50629	LWLcom GmbH LWLCOM
AS50673	Serverius Holding B.V. Serverius-as
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS60068	Datacamp Limited CDN77
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS61049	Exascale Ltd EXASCALE
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS207841	Inferno Communications Ltd INFERNO
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS212635	Jurrian van Iersel AS212635
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 A · 90/100

pass	Prefixes covered by valid ROAs 74 of 74 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 39 IPv6 prefixes.	15/15
pass	More than one upstream 5 upstreams seen in BGP.	10/10
pass	Working abuse contact noc@nominet.org.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
pass	Registry record maintained Last changed 2025-09-02.	5/5

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/43519"><img src="https://ip-fd.net/badge/asn/43519/health.svg" alt="AS43519 network health on IP-FD.net"></a>

Markdown

[![AS43519 network health](https://ip-fd.net/badge/asn/43519/health.svg)](https://ip-fd.net/asn/43519)

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

Routing changes

Last 30 days

2026-10-05 01:23 UTC	Neighbour gone	AS37282	upstream
2026-10-05 01:23 UTC	Neighbour gone	AS31027	peer
2026-10-05 01:23 UTC	Neighbour gone	AS7575	upstream
2026-10-05 01:23 UTC	New neighbour	AS15547	peer
2026-10-05 01:23 UTC	Relationship changed	AS9044	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS9009	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS8298	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS8218	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS7195	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS6797	peer
2026-10-05 01:23 UTC	Relationship changed	AS6777	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS6663	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS6424	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS61049	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS6057	peer
2026-10-05 01:23 UTC	Relationship changed	AS60171	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS60068	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS5405	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS50673	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS50629	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS50304	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS49559	peer
2026-10-05 01:23 UTC	Relationship changed	AS48362	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS4230	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS41327	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS39686	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS39351	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS39249	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS37497	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS37468	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS3741	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS37100	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS35280	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS34927	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS34549	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS34177	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS34019	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS33891	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS3216	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS3214	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS30844	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS29632	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS29075	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS286	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS2856	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS25091	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS24961	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS24482	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS22356	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS215638	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS21215	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS20766	peer
2026-10-05 01:23 UTC	Relationship changed	AS20764	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS20562	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS1764	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS15958	peer
2026-10-05 01:23 UTC	Relationship changed	AS15802	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS15576	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS15412	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS14840	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS137409	upstream to peer
2026-10-05 01:23 UTC	New neighbour	AS13194	peer
2026-10-05 01:23 UTC	Relationship changed	AS1267	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS12552	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS1031	upstream to peer
2026-10-05 01:23 UTC	Relationship changed	AS10111	upstream to peer

WHOIS

aut-num:        AS43519
as-name:        NOMINETANYCAST
org:            ORG-NU1-RIPE
admin-c:        NMUK-RIPE
tech-c:         NMUK-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NOMUK-RIPE-MNT
created:        2007-08-15T13:41:30Z
last-modified:  2025-09-02T13:15:01Z
source:         RIPE
% 62 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/43519

const res = await fetch('https://ip-fd.net/api/v1/asn/43519', {
  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/43519', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/43519');
curl_setopt($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/43519", 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.

AS1299	Arelion Sweden AB TWELVE99
AS2914	NTT America, Inc. NTT-DATA-2914
AS3257	GTT Communications Inc. GTT-BACKBONE
AS6939	Hurricane Electric LLC HURRICANE
AS9002	RETN Limited RETN-AS