AS1101 SURF B.V.

Netherlands IP-EEND-AS RIPE 17 IPv4 prefixes 3 IPv6 prefixes

IPv4 addresses

1,838,592

IPv6 /48 networks

65,538

RPKI

13 valid7 no ROA

Peers and downstreams

122

Holder

AS name: IP-EEND-AS
Description: IP-EEND BV
Organisation: SURF B.V.
Registered in: Utrecht, Netherlands
Abuse contact: cert@surfcert.nl
Assigned: 1993-08-31
Registered: 2002-08-21
Record last changed: 2026-09-24 19:22 UTC

145.102.4.0/23 145.111.0.0/16 145.192.0.0/12 145.208.0.0/13 145.220.0.0/16 145.99.0.0/16 185.100.59.0/24 185.17.73.0/24 192.12.54.0/24 192.150.94.0/24 192.16.200.0/24 192.42.117.0/24 192.42.118.0/23 192.42.118.0/24 192.42.119.0/24 192.42.128.0/22 44.137.0.0/16

AS559	SWITCH Switch
AS1031	PEER 1031 LLC PEER1-1031
AS1102	SURF B.V. SMEERBOEL-AS
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3399	Obenet AB OBE-NET
AS3462	Data Communication Business Group HINET
AS4455	IX Reach Ltd BSO
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
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6696	VERIXI SA VERIXI
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS6939	Hurricane Electric LLC HURRICANE
AS7195	EDGEUNO S.A.S AS7195
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC Etisalat-AS
AS9002	RETN Limited RETN-AS
AS9044	BSE Software GmbH SOLNET
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
AS15547	netplus.ch SA NETPLUS
AS15605	Connesi s.p.a. CONNESI
AS15943	wilhelm.tel GmbH WTNET-AS
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS18106	Viewqwest Pte Ltd VIEWQWEST-SG-AP
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20764	CJSC RASCOM RASCOM-AS
AS20932	Services Industriels de Geneve SIG-ST
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25220	equada network GmbH GLOBALNOC-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS30844	Liquid Telecommunications Ltd LIQUID-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34927	iFog GmbH iFog-GmbH
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37497	Network Platforms (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
AS39686	Eurofiber Nederland BV AS-EUROFIBER
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS41441	Serverius Holding B.V. Speed-IX
AS41666	Institute for Pyrotechnical Cleaning (limited company) PYRO-AS
AS41913	Computerline GmbH COMPUTERLINE
AS42541	Fiberby ApS FIBERBY
AS42708	Glesys AB GLESYS
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS48185	team.blue NV team_blue
AS48200	Opteamax GmbH OPTEAMAX-AS
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50673	Serverius Holding B.V. Serverius-as
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56911	Warian S.R.L. ASN-WARIAN
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS58057	Securebit AG SECUREBIT
AS61049	Exascale Ltd EXASCALE
AS61573	IP TELECOM AS61573
AS62167	Tismi BV Tismi
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS198150	SIACOM JSC SIACOM-AS
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS202365	Omer GOLGELI Chronos
AS204092	Association GRIFON GRIFON
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS205206	Netsite A/S Netsite
AS209022	Tschajera Limited Tschajera-Limited
AS209090	Association Stolon STOLON
AS209823	Enki Multimedia EURL ENKI-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS212635	Jurrian van Iersel AS212635
AS213241	TECHIT.BE SRL TECHIT
AS215125	Church of Cyberology Cyberology-AS
AS263152	MIGO TELECOM AS263152
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 81/100

partly	Prefixes covered by valid ROAs 13 of 20 announced prefixes are RPKI valid, 7 have no ROA.	16/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact cert@surfcert.nl 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 2026-09-24.	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/1101"><img src="https://ip-fd.net/badge/asn/1101/health.svg" alt="AS1101 network health on IP-FD.net"></a>

Markdown

[![AS1101 network health](https://ip-fd.net/badge/asn/1101/health.svg)](https://ip-fd.net/asn/1101)

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

Routing changes

Last 30 days

2026-10-06 00:23 UTC	Neighbour gone	AS64049	upstream
2026-10-06 00:23 UTC	Neighbour gone	AS58299	upstream
2026-10-06 00:23 UTC	Neighbour gone	AS51873	peer
2026-10-06 00:23 UTC	Neighbour gone	AS50869	upstream
2026-10-06 00:23 UTC	Neighbour gone	AS44901	peer
2026-10-06 00:23 UTC	Neighbour gone	AS31027	peer
2026-10-06 00:23 UTC	New neighbour	AS201616	downstream
2026-10-06 00:23 UTC	Relationship changed	AS9044	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS9002	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS8966	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS8298	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS7713	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS7195	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS6939	upstream to peer
2026-10-06 00:23 UTC	New neighbour	AS6797	peer
2026-10-06 00:23 UTC	Relationship changed	AS6696	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS6663	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS6204	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS61049	upstream to peer
2026-10-06 00:23 UTC	New neighbour	AS6057	peer
2026-10-06 00:23 UTC	Relationship changed	AS58057	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS5713	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS56911	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS5405	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS50673	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS49434	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS48362	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS48200	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS47147	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS4455	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS42708	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS41913	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS41441	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS41327	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS39686	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS39351	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS39120	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS37497	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS37468	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS37100	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS35280	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS3462	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS34177	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS34019	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS33891	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS30844	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS29075	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS25091	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS24961	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS22356	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS209090	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS209022	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS20764	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS205112	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS205103	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS20485	upstream to peer
2026-10-06 00:23 UTC	New neighbour	AS20326	peer
2026-10-06 00:23 UTC	Relationship changed	AS1764	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS15943	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS14840	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS137409	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS13194	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS12637	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS12552	upstream to peer
2026-10-06 00:23 UTC	Relationship changed	AS1031	upstream to peer
2026-10-06 00:23 UTC	Prefix gone	2001:611::/32
2026-10-06 00:23 UTC	Prefix gone	2001:610:360::/48
2026-10-06 00:23 UTC	Prefix gone	2001:610:168::/45
2026-10-06 00:23 UTC	Prefix gone	145.216.0.0/15
2026-10-06 00:23 UTC	Prefix gone	145.102.131.0/24
2026-10-06 00:23 UTC	New prefix	145.111.0.0/16

WHOIS

aut-num:        AS1101
as-name:        IP-EEND-AS
descr:          IP-EEND BV
org:            ORG-Sb3-RIPE
remarks:        For security/abuse issues:
remarks:        contact <abuse@as1101.net>
admin-c:        NSN19-RIPE
tech-c:         NSN19-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         AS1101-MNT
created:        2002-08-21T16:06:20Z
last-modified:  2026-09-24T19:22:06Z
source:         RIPE
% 91 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/1101

const res = await fetch('https://ip-fd.net/api/v1/asn/1101', {
  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/1101', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/1101');
curl_setopt($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/1101", 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.

AS1103	SURF B.V. SURFNET-NL
AS64404	Stichting EventInfra EVENTINFRA-AS

AS1102	SURF B.V. SMEERBOEL-AS
AS1103	SURF B.V. SURFNET-NL
AS1106	SURF B.V. Nationale-Speeltuin
AS201616	Theo Holroyd theoh-as
AS214380	Tim de Boer trading as tim427.net TIM427
AS215125	Church of Cyberology Cyberology-AS