View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	5.39.184.0/21	ColoCenter b.v.
	45.11.28.0/22	Mark Michiel Janssen trading as SIG-I/O automatisering
	185.79.152.0/22	ColoCenter b.v.
	185.102.68.0/22	Defion Security Netherlands B.V.
	185.140.184.0/22	ColoCenter b.v.
	213.156.28.0/22	Defion Security Netherlands B.V.
	2001:67c:cdc::/48	Stefan van Westering trading as "Skywest"
	2a01:4c01::/32	Defion Security Netherlands B.V.
	2a02:f640::/29	ColoCenter b.v.
	2a0e:5700::/32	Mark Michiel Janssen trading as SIG-I/O automatisering

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS213753	InterEdge B.V.	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS207489	RDK IT Solutions B.V.	✔	✔
	AS59929	Flexibelt B.V.	✔	✘
	AS209675	Jelle Hofstee trading as AxisNetworks	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS206009	Kinga de Vos trading as Kavos Vof	✔	✔
	AS61349	MaxiTEL Telecom B.V.	✔	✔
	AS5405	Inter.link GmbH	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS213753	InterEdge B.V.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS213576	Robert Weir	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS3170	VeloxServ Communications Ltd	✔	✔
	AS50629	LWLcom GmbH	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS58299	Openfactory GmbH	✔	✔
	AS8283	Netwerkvereniging Coloclue	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS35133	Eranium B.V.	✔	✘
	AS25091	IP-Max SA	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS214757	Jakub Krsa	✔	✔
	AS3399	Obenet AB	✔	✔
	AS209267	Velorum B.V.	✔	✔
	AS33891	Core-Backbone GmbH	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS207994	Blockchain Creek B.V.	✔	✘
	AS44854	Arend Brouwer	✔	✔
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✔
	AS49127	Asimo Networks B.V.	✔	✔
	AS212635	Jurrian van Iersel	✔	✔
	AS34019	Hivane Association	✔	✔
	AS8298	IPng Networks GmbH	✔	✔
	AS200132	Peter-Paul Maria Kurstjens	✔	✔
	AS215680	Luc Haaijer trading as Ferox Hosting	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS3214	xTom GmbH	✔	✔
	AS214809	Jere Kiitola trading as Stocade	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS49418	NETSHIELD LTD	✔	✔
	AS11358	Tennant Software	✔	✔
	AS44324	MoeDove LLC	✘	✔
	AS56655	Gigahost AS	✔	✔
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✘
	AS207176	OPENFIBER B.V.	✔	✔
	AS209823	Enki Multimedia EURL	✔	✔
	AS21263	TeleData GmbH	✔	✔
	AS56393	Frys-IX Routeserver	✔	✔
	AS211588	Innovation Harbor B.V.	✔	✔
	AS37468	Angola Cables	✔	✘
	AS49434	FBW NETWORKS SAS	✔	✔
	AS207487	Gustav Caplan	✔	✔
	AS41051	Freetransit Project (Openfactory GmbH)	✘	✔
	AS34872	Servperso Systems	✔	✔
	AS400799	Pufferfish Studios LLC	✔	✔
	AS47692	Nessus GmbH	✔	✘
	AS49917	LayerSwitch B.V.	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS64289	Macarne.com	✔	✔
	AS208453	Johan Karlsson (SweHosting)	✔	✘
	AS211024	Jack O'Sullivan	✔	✔
	AS204092	Association GRIFON	✔	✘
	AS31500	Global Network Management Inc	✔	✔
	AS42541	Fiberby ApS	✔	✘
	AS37100	SEACOM Limited	✔	✘
	AS213449	Jann-Ole Wagenaar	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✔	✔
	AS50869	Free-IX Remote Peering	✔	✔
	AS41666	Institute for Pyrotechnical Cleaning (limited company)	✔	✘
	AS62222	QuickSoft LLC	✔	✔
	AS8540	AMA netwoRX GmbH	✔	✔
	AS203446	SMARTNET LIMITED	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS215551	KeFF Networks Ltd	✔	✘
	AS6696	VERIXI SA	✔	✘
	AS52075	Wifirst S.A.S.	✔	✘
	AS199471	Marcel Straub	✔	✘
	AS400587	Ryamer, LLC	✔	✘
	AS14907	Wikimedia Foundation Inc.	✔	✘
	AS210645	DOMINIK DOBROWOLSKI	✔	✔
	AS56987	ABACLOUDA SAS	✔	✘
	AS48678	PENTECH BILISIM TEKNOLOJILERI SANAYI VE TICARET LIMIT...	✔	✔
	AS60171	AFR-IX TELECOM S.A.	✔	✔
	AS57866	Fusix Networks B.V.	✔	✘
	AS208972	GIBIRNet Iletisim	✔	✔
	AS58057	Securebit AG	✔	✔
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✔
	AS54148	Dynamic Quantum Networks	✔	✔
	AS31477	Duocast B.V.	✔	✔
	AS13101	TNG Stadtnetz GmbH	✔	✘
	AS21473	PFALZKOM GmbH	✔	✔
	AS1103	SURF B.V.	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS16909	imput	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS212855	Jelle Luteijn	✔	✔
	AS216107	Noah van der Aa trading as Frumentum Media	✔	✔
	AS214481	Wojciech Czapkowicz	✔	✘
	AS835	GoCodeIT Inc	✔	✘
	AS212027	PebbleHost Ltd	✔	✔
	AS60345	icixs networks GmbH	✔	✘
	AS44684	Mythic Beasts Ltd	✔	✔
	AS202585	Nick Bouwhuis	✔	✔
	AS47526	handily networks GmbH	✔	✘
	AS200242	Ember Ana	✔	✘
	AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	✔	✘
	AS47689	Pudu, LLC	✔	✘
	AS198016	Michael Kieser	✔	✘
	AS213279	Reliably Coded B.V.	✔	✘
	AS8881	1&1 Versatel GmbH	✔	✘
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS214145	Seyed Pouria Mousavizadeh Tehrani	✔	✘
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✘
	AS24785	Joint Transit (Broadband Hosting B.V.)	✔	✘
	AS200249	Products Up GmbH	✔	✘
	AS50304	Blix Solutions AS	✔	✘
	AS204059	Neutrinet ASBL/VZW	✔	✘
	AS60404	The Infrastructure Group B.V.	✔	✔
	AS2854	LLC Orange Business Services	✔	✔
	AS212815	Dyjix SAS	✔	✔
	AS26520	HLITSERVICES LLC	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS12400	Partner Communications Ltd.	✔	✘
	AS8447	A1 Telekom Austria AG	✔	✘
	AS199752	Go-Trex Holding BV	✔	✘
	AS42295	TBISS Ltd	✔	✔
	AS57344	Telehouse EAD	✔	✘
	AS214022	Joseph Rawlings trading as Virtnet.bond	✘	✔
	AS49585	CoreRoute UG	✔	✘
	AS208814	Tilman Schaefers	✔	✘
	AS216455	Sting Alleman	✘	✔
	AS202365	Chronos	✔	✔
	AS6663	Türk Telekom International	✔	✔
	AS46427	SF Innovations Inc.	✔	✔
	AS202673	Ohz Digital S.L.	✔	✘
	AS50952	Global Network Management Inc	✔	✔
	AS214380	Tim de Boer trading as tim427.net	✔	✔
	AS20495	We Dare B.V.	✔	✔
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✔
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS37739	Abantu Cloud Africa (Pty) Ltd	✔	✔
	AS12859	BIT BV	✔	✔
	AS51345	Hugo Regibo	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS215887	Serhiy Bobrov	✔	✔
	AS51088	A2B IP B.V.	✔	✔
	AS61029	DODW Holding B.V.	✔	✔
	AS216333	NetDev UG (haftungsbeschraenkt)	✔	✔
	AS44620	Netlen Internet Hizmetleri Ltd. Sti.	✔	✔
	AS24482	SG.GS	✔	✔
	AS205112	PHILUNET GmbH	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS44066	firstcolo GmbH	✔	✔
	AS60144	3W Infra B.V.	✔	✔
	AS210732	Alexandre FERNANDES (VUAFGROUP SAS)	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS42093	InterRacks B.V.	✔	✔
	AS215085	Maik Polman trading as PixelHosting	✔	✘
	AS1680	Cellcom Fixed Line Communication L.P	✘	✔
	AS201949	Seed Technologies LTD.	✔	✘
	AS215638	Cilix Limited	✔	✘
	AS50917	Diederik Focko de Zee	✔	✘
	AS16097	HL komm Telekommunikations GmbH	✔	✘
	AS56382	vServer.site LTD	✔	✘
	AS197301	Parknet F.M.B.A.	✔	✘
	AS58015	Collin Schneeweiss trading as Tievolu GbR	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS209090	Association Stolon	✔	✘
	AS64475	Freifunk Frankfurt am Main e.V.	✔	✘
	AS202294	Netlojik Bilgi Teknolojileri Sanayi ve Ticaret Limite...	✔	✘
	AS60539	Huicast Telecom Limited	✔	✘
	AS3216	Vimpelcom PJSC	✔	✘
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS202224	Giannis Kontos	✔	✘
	AS34779	T-2, d.o.o.	✔	✘
	AS47536	PathConnect GmbH	✘	✔
	AS215577	Lucas van Beek	✘	✔
	AS204003	Jan-Eric Ortgies	✘	✔
	AS4601	Antonios A. Chariton	✘	✔
	AS56662	Marcin Gondek	✘	✔
	AS199763	Piotr Chrzanowski	✘	✔
	AS132337	Axclusive	✔	✘
	AS6206	Netrouting B.V.	✔	✘
	AS210464	ANDREW KRISTULI	✔	✘
	AS9009	M247 Europe SRL	✔	✘
	AS214677	Matteo Martelloni trading as DELUXHOST	✔	✘
	AS52112	Gentlent GmbH	✔	✔
	AS8772	NetAssist LLC	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS56665	Proximus Luxembourg S.A.	✔	✘
	AS60900	Adrian Trifonov trading as Ssmidge Technologies	✔	✘
	AS215605	Shams Hanna trading as InformatiQ	✔	✘
	AS396993	Soraxus Networks Inc.	✔	✘
	AS213622	Falcon FZE LLC	✔	✘
	AS38965	Rick van der Sterren trading as HostIn	✔	✘
	AS39351	31173 Services AB	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS8315	Accenture B. V.	✔	✘
	AS58075	X2com BV	✔	✘
	AS395878	SERVOSPHERE	✔	✘
	AS57758	CBWS Holding B.V.	✔	✘
	AS215296	Raoul Brouns	✔	✘
	AS59645	Tobias Fiebig	✔	✘
	AS250	AS250.net Foundation	✔	✘
	AS202427	Ursin Filli	✘	✔
	AS57048	Robert van der Meulen	✘	✔
	AS12735	TurkNet Iletisim Hizmetleri A.S.	✘	✔
	AS60326	0xDEADBEEF LTD	✘	✔
	AS215473	Elimalko Saado	✘	✔
	AS212895	Johannes Ernst	✘	✔
	AS215685	Maik Sussdorf	✘	✔
	AS50509	Transroute.Net	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS11967	Hop179 LLC	✘	✔
	AS133504	PAOCLOUD	✔	✘
	AS35297	Dataline LLC	✘	✔

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS207489	RDK IT Solutions B.V.	✔	✔
	AS209675	Jelle Hofstee trading as AxisNetworks	✔	✔
	AS206009	Kinga de Vos trading as Kavos Vof	✔	✔
	AS61349	MaxiTEL Telecom B.V.	✘	✔
	AS59929	Flexibelt B.V.	✔	✘

aut-num:        AS58291
as-name:        ColoCenter
org:            ORG-Cb42-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS58291
import:         from AS58272 accept ANY
export:         to AS58272 announce ANY
import:         from AS6939 accept ANY
export:         to AS6939 announce ANY
import:         from AS6777 accept ANY
export:         to AS6777 announce ANY
import:         from AS20562 accept ANY
export:         to AS20562 announce ANY
import:         from AS34307 accept ANY
export:         to AS34307 announce ANY
import:         from AS51942 accept ANY
export:         to AS51942 announce ANY
import:         from AS213035 accept ANY
export:         to AS213035 announce ANY
import:         from AS212591 accept ANY
export:         to AS212591 announce ANY
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
import:         from AS38965 accept ANY
export:         to AS38965 announce ANY
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-colo
created:        2012-06-15T13:08:24Z
last-modified:  2025-12-22T16:11:54Z
source:         RIPE
import:         from AS59929 accept ANY
export:         to AS59929 announce ANY
import:         from AS50952 accept ANY
export:         to AS50952 announce ANY
import:         from AS56584 accept ANY
export:         to AS56584 announce ANY
import:         from AS206221 accept ANY
export:         to AS206221 announce ANY
import:         from AS209675 accept ANY
export:         to AS209675 announce ANY
import:         from AS213753 accept ANY
export:         to AS213753 announce ANY
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-Cb42-RIPE
org-name:       ColoCenter b.v.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-Cb42-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR16150-RIPE
mnt-ref:        mnt-colo
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-COLO
created:        2012-05-10T08:57:35Z
last-modified:  2025-05-30T09:18:07Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-02-07T03:23:57Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-liquid-amsixpeers	94
RIPE	as8821:as-peers	123
ALTDB	as-hwng-downstreams	2598
RIPE	as8218:as-amsix-rs	340
RIPE	as-colocenter	8
RIPE	as-transroute-spec	19663
RIPE	as1200:as-ams-ix-peers	485
RIPE	as-manda-amsix-peers-v4	598
RIPE	as-green-peers	246
RADB	as-hurricane	24477
RIPE	as-manda-amsix-peers-v6	561
RADB	as-hurricanev6	20348
RIPE	as-jointtransit-ipv6	2144
RADB	as37271:as-peers	240
RIPE	as-lsc-ixp-connected	98