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
	91.205.193.0/24	IT-gemak B.V.
	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"
	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
	AS213753	InterEdge B.V.	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS24785	Joint Transit (Broadband Hosting B.V.)	✔	✔
	AS6830	Liberty Global Europe Holding B.V.	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS213753	InterEdge B.V.	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS59929	Flexibelt B.V.	✔	✘
	AS209675	Jelle Hofstee trading as AxisNetworks	✔	✔
	AS206009	Kinga de Vos trading as Kavos Vof	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS24785	Joint Transit (Broadband Hosting B.V.)	✔	✔
	AS207489	RDK IT Solutions B.V.	✔	✔
	AS207043	DEDIK SERVICES LIMITED	✔	✘
	AS5405	Inter.link GmbH	✔	✔
	AS6830	Liberty Global Europe Holding B.V.	✔	✔
	AS61349	MaxiTEL Telecom B.V.	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS3170	VeloxServ Communications Ltd	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS213576	Robert Weir	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS56584	InterIX Route Servers	✔	✘
	AS58299	Openfactory GmbH	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS50629	LWLcom GmbH	✔	✔
	AS35133	Eranium B.V.	✔	✘
	AS8283	Netwerkvereniging Coloclue	✔	✘
	AS6204	INTERKVM HOST SRL	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS214757	Jakub Krsa	✔	✔
	AS212635	Jurrian van Iersel	✔	✔
	AS56655	Gigahost AS	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS33891	Core-Backbone GmbH	✔	✔
	AS209267	Velorum B.V.	✔	✔
	AS11967	Hop179 OU	✔	✔
	AS8298	IPng Networks GmbH	✔	✔
	AS47692	Nessus GmbH	✔	✔
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✘
	AS207994	Blockchain Creek B.V.	✔	✘
	AS211588	Innovation Harbor B.V.	✔	✔
	AS208972	GIBIRNet Iletisim	✔	✔
	AS212855	Jelle Luteijn	✔	✔
	AS37468	Angola Cables	✔	✔
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✔
	AS42541	Fiberby ApS	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS204092	Association GRIFON	✔	✔
	AS213922	Volta LLC	✔	✘
	AS34019	Hivane Association	✔	✔
	AS204059	Neutrinet ASBL/VZW	✔	✔
	AS50917	Diederik Focko de Zee	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS57866	Fusix Networks B.V.	✔	✘
	AS37100	SEACOM Limited	✔	✔
	AS209823	Enki Multimedia EURL	✔	✔
	AS200132	Peter-Paul Maria Kurstjens	✔	✔
	AS21263	TeleData GmbH	✔	✔
	AS6696	VERIXI SA	✔	✘
	AS207176	OPENFIBER B.V.	✔	✔
	AS215638	Cilix Limited	✔	✔
	AS31500	Global Network Management Inc	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS54148	Dynamic Quantum Networks	✔	✔
	AS49418	NETSHIELD LTD	✔	✔
	AS44854	Arend Brouwer	✔	✘
	AS12400	Partner Communications Ltd.	✔	✘
	AS62255	BiMajLink d.o.o.	✔	✔
	AS199471	Marcel Straub	✔	✔
	AS22356	Durand do Brasil Ltda	✔	✘
	AS50869	Free-IX Remote Peering	✔	✔
	AS52075	Wifirst S.A.S.	✔	✔
	AS64289	Macarne.com	✔	✔
	AS214749	James Cahill	✔	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✔
	AS208453	Johan Karlsson (SweHosting)	✔	✘
	AS49127	Asimo Networks B.V.	✔	✔
	AS215680	Luc Haaijer trading as Ferox Hosting	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS29632	Netassist International EOOD	✘	✔
	AS13101	TNG Stadtnetz GmbH	✔	✔
	AS49600	NEAR IP, S.L.	✔	✔
	AS56987	ABACLOUDA SAS	✔	✔
	AS400799	Pufferfish Studios LLC	✔	✘
	AS6424	EDGOO NETWORKS	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS207487	Gustav Caplan	✔	✔
	AS200249	Products Up GmbH	✔	✔
	AS213279	Reliably Coded B.V.	✔	✔
	AS200242	Ember Ana	✔	✔
	AS215760	Adam Grazioli	✔	✔
	AS198016	Michael Kieser	✔	✔
	AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	✔	✔
	AS400587	Ryamer, LLC	✔	✘
	AS16276	OVH SAS	✔	✔
	AS60539	Huicast Telecom Limited	✔	✔
	AS29670	Individual Network Berlin ("IN-Berlin") e.V.	✘	✔
	AS214809	Jere Kiitola trading as Stocade	✔	✔
	AS62222	QuickSoft LLC	✔	✔
	AS8540	AMA netwoRX GmbH	✔	✔
	AS210645	DOMINIK DOBROWOLSKI	✔	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✔	✔
	AS214022	Joseph Rawlings trading as Virtnet.bond	✔	✔
	AS47526	handily networks GmbH	✔	✔
	AS27523	Kawaii Networks LLC	✔	✔
	AS48678	Pentech Bilisim Teknolojileri Sanayi Ve Ticaret Limit...	✔	✔
	AS60404	The Infrastructure Group B.V.	✔	✔
	AS208814	Tilman Schaefers	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS21473	PFALZKOM GmbH	✔	✔
	AS1031	PEER 1031 LLC	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS34953	RelAix Networks GmbH	✔	✔
	AS20495	We Dare B.V.	✔	✔
	AS215828	Tizian Maxime Weigt trading as "TMW Global Networks"	✔	✔
	AS41666	Institute for Pyrotechnical Cleaning (limited company)	✔	✘
	AS835	GoCodeIT Inc	✔	✘
	AS60144	3W Infra B.V.	✔	✔
	AS1103	SURF B.V.	✔	✔
	AS210756	EdgeCenter LLC	✔	✘
	AS60345	icixs networks GmbH	✔	✘
	AS60280	National Traffic Exchange Center (Belarus)	✔	✘
	AS50304	Blix Solutions AS	✔	✘
	AS8447	A1 Telekom Austria AG	✔	✘
	AS20485	TransTeleCom JSC	✔	✘
	AS215085	Maik Polman trading as PixelHosting	✔	✘
	AS49434	FBW NETWORKS SAS	✔	✔
	AS16909	imput	✔	✔
	AS31477	Duocast B.V.	✔	✔
	AS42093	InterRacks B.V.	✔	✔
	AS205941	Lungu Stefan Gabriel	✔	✔
	AS216107	Noah van der Aa trading as Frumentum Media	✔	✔
	AS52210	Accuris Technologies Ltd.	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS209710	SNRD NETWORKS LIMITED	✔	✔
	AS60171	AFR-IX TELECOM S.A.	✔	✔
	AS55285	Serverside.com	✔	✔
	AS29075	IELO-LIAZO SERVICES SAS	✔	✔
	AS202224	Giannis Kontos	✔	✔
	AS199752	Go-Trex Holding BV	✔	✘
	AS209022	Tschajera Limited	✘	✔
	AS64475	Freifunk Frankfurt am Main e.V.	✔	✔
	AS199327	Gregoire Compagnon	✘	✔
	AS197301	Parknet F.M.B.A.	✔	✔
	AS58057	Securebit AG	✔	✘
	AS8881	1&1 Versatel GmbH	✔	✔
	AS3267	National Research Computer Network of Russia	✔	✔
	AS49585	CoreRoute UG	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS263152	MIGO TELECOM	✔	✘
	AS2854	LLC Orange Business Services	✔	✔
	AS3214	xTom GmbH	✔	✔
	AS24724	Atman Sp. z o.o.	✔	✔
	AS205112	PHILUNET GmbH	✔	✔
	AS202831	Ablaykhan Akylbekovich Sharimov	✔	✔
	AS51202	NUXOA GmbH	✔	✔
	AS212027	PebbleHost Ltd	✔	✔
	AS8932	Ucom CJSC	✔	✔
	AS201616	Theo Holroyd	✘	✔
	AS42295	TBISS Ltd	✔	✔
	AS60326	0xDEADBEEF LTD	✘	✔
	AS56665	Proximus Luxembourg S.A.	✔	✔
	AS46427	SF Innovations Inc.	✔	✔
	AS44901	Belcloud LTD	✔	✘
	AS44324	MoeDove LLC	✘	✔
	AS44620	Netlen Internet Hizmetleri Ltd. Sti.	✔	✔
	AS12859	BIT BV	✔	✔
	AS215887	Serhiy Bobrov	✔	✔
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS8772	NetAssist LLC	✔	✔
	AS209090	Association Stolon	✔	✔
	AS51396	Pfcloud UG (haftungsbeschrankt)	✔	✘
	AS216333	NetDev UG (haftungsbeschraenkt)	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS52112	Gentlent GmbH	✔	✔
	AS16097	HL komm Telekommunikations GmbH	✔	✘
	AS215605	Shams Hanna trading as InformatiQ	✔	✘
	AS249	Packet Star Networks Limited	✔	✘
	AS64404	Stichting EventInfra	✔	✔
	AS24482	SG.GS	✔	✔
	AS39351	31173 Services AB	✔	✔
	AS209451	ROUTEFENCE NETWORK TELEKOMUNIKASYON LIMITED SIRKETI	✔	✘
	AS30823	aurologic GmbH	✔	✘
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS58015	Collin Schneeweiss trading as Tievolu GbR	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS264409	Huge Networks	✔	✘
	AS213622	Falcon FZE LLC	✔	✔
	AS51345	HUGO REGIBO	✔	✔
	AS62246	WJY Limited	✔	✔
	AS214380	Tim de Boer trading as tim427.net	✔	✔
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✔
	AS44066	firstcolo GmbH	✔	✔
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✔
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS44684	Mythic Beasts Ltd	✔	✘
	AS132337	Axclusive	✔	✘
	AS34170	Aztelekom LLC	✘	✔
	AS36236	NetActuate, Inc	✔	✘
	AS58075	X2com BV	✔	✘
	AS48646	SDRmedia Verwaltungs GmbH	✘	✔
	AS209768	white2net Srl	✔	✘
	AS38965	Rick van der Sterren trading as HostIn	✔	✘
	AS26954	Mikhail Fedorov	✔	✘
	AS202365	Chronos	✔	✘
	AS57758	CBWS Holding B.V.	✔	✘
	AS212815	Dyjix SAS	✔	✘
	AS61029	DODW Holding B.V.	✔	✘
	AS4601	Antonios A. Chariton	✘	✔
	AS39637	ADES BV	✔	✘
	AS60900	Adrian Trifonov trading as Ssmidge Technologies	✔	✘
	AS202585	Nick Bouwhuis	✔	✘
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘
	AS216198	LIN ZE YANG	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS207315	Stichting Internet Archive	✔	✘
	AS215296	Raoul Brouns is trading as LowPing NL	✔	✘
	AS8315	WorldStream B.V.	✔	✘
	AS34872	Servperso Systems	✔	✘
	AS250	AS250.net Foundation	✔	✘
	AS213409	Daniil Koval	✔	✘
	AS59645	Tobias Fiebig	✔	✘
	AS214145	Seyed Pouria Mousavizadeh Tehrani	✔	✔
	AS133504	PAOCLOUD	✔	✔
	AS200372	Lars Ewald	✘	✔
	AS39249	Netassist International EOOD	✘	✔
	AS29390	Netassist International EOOD	✘	✔
	AS200612	Gulf Bridge International Inc.	✔	✘
	AS47778	Sunoaki Network LLC	✘	✔
	AS199081	Lancom Ltd.	✔	✘
	AS12735	TurkNet Iletisim Hizmetleri A.S.	✘	✔
	AS56630	Melbikomas UAB	✔	✘
	AS1680	Cellcom Fixed Line Communication L.P	✘	✔
	AS214677	Matteo Martelloni trading as DELUXHOST	✘	✔
	AS202827	EXAGROUP	✘	✔
	AS6206	Netrouting B.V.	✘	✔
	AS6774	BICS (Belgacom)	✘	✔
	AS204003	Jan-Eric Ortgies	✘	✔
	AS215577	Lucas van Beek	✘	✔
	AS50952	Global Network Management Inc	✘	✔
	AS6823	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	✔	✘
	AS13335	Cloudflare, Inc.	✔	✘
	AS39326	Syntura Group Limited	✔	✔
	AS199763	Piotr Chrzanowski	✘	✔
	AS57048	Robert van der Meulen	✘	✔
	AS202427	Ursin Filli	✘	✔
	AS6663	Türk Telekom International	✘	✔
	AS215147	Schleyer-EDV UG	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS209675	Jelle Hofstee trading as AxisNetworks	✔	✔
	AS206009	Kinga de Vos trading as Kavos Vof	✔	✔
	AS59929	Flexibelt B.V.	✔	✘
	AS207489	RDK IT Solutions B.V.	✔	✔
	AS207043	DEDIK SERVICES LIMITED	✔	✘
	AS61349	MaxiTEL Telecom 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:  2026-05-27T21:02:08Z
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
import:         from AS210335 accept ANY
export:         to AS213753 announce ANY
export:         to AS210335 announce ANY
export:         to AS24785 announce ANY
import:         from AS24785 accept ANY
export:         to AS6830 announce ANY
import:         from AS6830 accept ANY
export:         to AS207043 announce ANY
import:         from AS207043 accept 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/phone numbers
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:  2026-05-13T07:34:13Z
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: 2026-06-05T03:26:18Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-manda-amsix-peers-v4	594
RIPE	as1200:as-ams-ix-peers	485
RIPE	as-liquid-amsixpeers	94
RIPE	as-lsc-ixp-connected	98
RIPE	as-transroute-spec	19620
RIPE	as-colocenter	9
RIPE	as-jointtransit-ipv6	2179
RIPE	as-green-peers	246
RIPE	as-manda-amsix-peers-v6	557
RIPE	as8821:as-peers	123
RIPE	as8218:as-amsix-rs	340
RADB	as37271:as-peers	246
ALTDB	as-hwng-downstreams	2598
RADB	as-hurricane	24922
RADB	as-hurricanev6	21127