AS49033 Critical Core BV

Netherlands CRITICALCORE RIPE 16 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

14,592

IPv6 /48 networks

1,048,576

RPKI

18 valid0 no ROA

Peers and downstreams

Holder

AS name: CRITICALCORE
Description: Critical Core BV
Organisation: Critical Core BV
Abuse contact: abuse@criticalcore.nl
Assigned: 2016-10-03
Registered: 2016-10-04
Record last changed: 2025-12-03 13:03 UTC

103.104.60.0/22 103.66.56.0/22 113.212.72.0/22 185.116.144.0/22 185.166.88.0/22 185.171.48.0/22 185.232.160.0/22 185.232.163.0/24 185.238.108.0/22 185.91.92.0/22 204.8.80.0/22 216.152.64.0/22 45.8.236.0/22 68.64.204.0/22 94.46.216.0/22 95.143.97.0/24

AS1031	PEER 1031 LLC PEER1-1031
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3216	PJSC "Vimpelcom" SOVAM-AS
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS3399	Obenet AB OBE-NET
AS5405	Inter.link GmbH INTERDOTLINK
AS6204	TMRC GROUP SRL ZET-NET
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6696	VERIXI SA VERIXI
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS9044	BSE Software GmbH SOLNET
AS12859	BIT BV NL-BIT
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
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
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29632	Netassist International EOOD NASSIST-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS34019	Hivane Association HIVANE
AS34927	iFog GmbH iFog-GmbH
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS41666	Institute for Pyrotechnical Cleaning (limited company) PYRO-AS
AS42541	Fiberby ApS FIBERBY
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS48185	team.blue NV team_blue
AS49434	FBW NETWORKS SAS FBWNETWORKS
AS49544	i3D.net B.V i3Dnet
AS50304	Blix Solutions AS BLIX
AS50629	LWLcom GmbH LWLCOM
AS50673	Serverius Holding B.V. Serverius-as
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56662	Eutpnet EUTPNET
AS56911	Warian S.R.L. ASN-WARIAN
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS58057	Securebit AG SECUREBIT
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
AS202365	Omer GOLGELI Chronos
AS204092	Association GRIFON GRIFON
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS206221	Eranium B.V. ERA-IX-AMSTERDAM
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
AS263152	MIGO TELECOM AS263152
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Routing changes

Last 30 days

2026-10-03 18:41 UTC	Neighbour gone	AS58299	peer
2026-10-03 18:41 UTC	Neighbour gone	AS56655	upstream
2026-10-03 18:41 UTC	Neighbour gone	AS50869	upstream
2026-10-03 18:41 UTC	Relationship changed	AS9044	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS8298	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS8218	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS7713	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS6696	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS6663	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS6204	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS58057	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS56911	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS5405	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS50673	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS50629	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS50304	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS41327	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS39351	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS39249	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS37468	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS37100	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS34019	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS33891	upstream to peer
2026-10-03 18:41 UTC	New neighbour	AS3216	peer
2026-10-03 18:41 UTC	Relationship changed	AS29632	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS25091	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS24961	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS22356	upstream to peer
2026-10-03 18:41 UTC	New neighbour	AS209090	peer
2026-10-03 18:41 UTC	Relationship changed	AS209022	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS20764	upstream to peer
2026-10-03 18:41 UTC	New neighbour	AS206221	peer
2026-10-03 18:41 UTC	Relationship changed	AS205103	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS20485	upstream to peer
2026-10-03 18:41 UTC	New neighbour	AS20326	peer
2026-10-03 18:41 UTC	Relationship changed	AS14840	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS137409	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS12859	upstream to peer
2026-10-03 18:41 UTC	Relationship changed	AS1031	upstream to peer
2026-10-03 18:41 UTC	New prefix	185.232.163.0/24

WHOIS

aut-num:        AS49033
as-name:        CRITICALCORE
org:            ORG-CCB17-RIPE
import-via:     AS6777 from AS-ANY accept ANY
export-via:     AS6777 to AS-ANY announce AS-CRITICALCORE
admin-c:        AK12345
tech-c:         AK12345
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-SMARTROUTING
created:        2016-10-04T14:02:48Z
last-modified:  2025-12-03T13:03:55Z
source:         RIPE
% 36 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/49033

const res = await fetch('https://ip-fd.net/api/v1/asn/49033', {
  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/49033', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/49033');
curl_setopt($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/49033", 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.

AS6830	Liberty Global Europe Holding B.V. LibertyGlobal
AS6939	Hurricane Electric LLC HURRICANE
AS20562	Broadband Hosting B.V. OPEN-PEERING-AS
AS24785	Broadband Hosting B.V. JOINTTRANSIT-AS
AS35133	Eranium B.V. ERANIUM