AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten

Netherlands Nikhef RIPE 14 IPv4 prefixes 5 IPv6 prefixes

IPv4 addresses

78,592

IPv6 /48 networks

131,073

RPKI

18 valid1 no ROA

Peers and downstreams

Holder

AS name: Nikhef
Description: Nikhef Science Park 105 Amsterdam, 1098 XG The Netherlands
Organisation: Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
Registered in: Amsterdam, Netherlands
Abuse contact: security@nikhef.nl
Assigned: 1993-08-31
Registered: 2001-12-03
Record last changed: 2022-03-02 10:49 UTC

145.102.132.0/22 145.107.4.0/22 145.110.0.0/16 145.116.208.0/21 145.116.216.0/24 145.116.48.0/20 185.153.60.0/22 192.16.185.0/24 192.16.186.0/24 192.16.192.0/24 192.16.194.0/24 192.16.195.0/24 192.16.199.0/24 194.171.96.0/21

Routing changes

Last 30 days

2026-10-04 05:00 UTC	Relationship changed	AS8881	upstream to peer
2026-10-04 05:00 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 05:00 UTC	Relationship changed	AS49434	upstream to peer
2026-10-04 05:00 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 05:00 UTC	Relationship changed	AS1136	upstream to peer

WHOIS

aut-num:        AS1104
as-name:        Nikhef
org:            ORG-SVFO1-RIPE
descr:          Nikhef
descr:          Science Park 105
descr:          Amsterdam, 1098 XG
descr:          The Netherlands
admin-c:        NIKR1975-RIPE
tech-c:         NIKR1975-RIPE
tech-c:         DG11973-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         AS1104-MNT
created:        2001-12-03T16:45:26Z
last-modified:  2022-03-02T10:49:57Z
source:         RIPE
% 40 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/1104

const res = await fetch('https://ip-fd.net/api/v1/asn/1104', {
  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/1104', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/1104');
curl_setopt($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/1104", 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.

AS1136	KPN B.V. KPN
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS8298	IPng Networks GmbH IPNG
AS8881	1&1 Versatel GmbH VERSATEL
AS12859	BIT BV NL-BIT
AS29075	IELO-LIAZO SERVICES SAS IELO
AS48185	team.blue NV team_blue
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS212635	Jurrian van Iersel AS212635