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	Prefix	Description
	146.103.47.0/24	Ck Hosting
	2a05:dfc1:5503::/48	Ck IT Solutions
	2a05:dfc1:5506::/48	Ck IT Solutions

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS35133	Eranium B.V.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS35133	Eranium B.V.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS50629	LWLcom GmbH	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS8283	Netwerkvereniging Coloclue	✔	✔
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS56655	Gigahost AS	✔	✔
	AS49127	Asimo Networks B.V.	✔	✔
	AS214809	Jere Kiitola trading as Stocade	✘	✔
	AS209267	Velorum B.V.	✔	✔
	AS208453	Johan Karlsson (SweHosting)	✔	✔
	AS400587	Ryamer, LLC	✔	✔
	AS3399	Obenet AB	✔	✘
	AS64289	Macarne.com	✔	✔
	AS209823	Enki Multimedia EURL	✔	✔
	AS21263	TeleData GmbH	✔	✔
	AS207176	OPENFIBER B.V.	✔	✔
	AS34872	Servperso Systems	✔	✔
	AS21473	PFALZKOM GmbH	✔	✔
	AS50304	Blix Solutions AS	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS215551	KeFF Networks Ltd	✔	✔
	AS41960	Nextpertise B.V.	✔	✔
	AS215085	Maik Polman trading as PixelHosting	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS400799	Pufferfish Studios LLC	✔	✔
	AS60404	The Infrastructure Group B.V.	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS59790	Marco Bungalski GmbH	✔	✔
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✔
	AS24482	SG.GS	✔	✔
	AS1820	WNET TELECOM USA Corp.	✔	✔
	AS64404	Stichting EventInfra	✔	✔
	AS216265	ARISTO NETWORKS LTD	✘	✔
	AS200052	Feral.io Ltd	✔	✘
	AS212477	RoyaleHosting B.V.	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS20764	CJSC RASCOM	✔	✔
	AS52112	Gentlent GmbH	✔	✔
	AS207994	Blockchain Creek B.V.	✔	✘
	AS216333	NetDev UG (haftungsbeschraenkt)	✔	✔
	AS41327	Fiber Telecom S.p.A.	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS210645	DOMINIK DOBROWOLSKI	✔	✔
	AS16276	OVH SAS	✔	✔
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS49600	NEAR IP, S.L.	✔	✔
	AS46427	SF Innovations Inc.	✔	✔
	AS34696	MISMELINK NETWORKS, SL	✔	✔
	AS35297	Dataline LLC	✔	✔
	AS12859	BIT BV	✔	✔
	AS42093	InterRacks B.V.	✔	✔
	AS51396	Pfcloud UG (haftungsbeschrankt)	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS43350	NForce Entertainment B.V.	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS50917	Diederik Focko de Zee	✔	✘
	AS835	GoCodeIT Inc	✔	✘
	AS211588	Innovation Harbor B.V.	✔	✘
	AS44854	Arend Brouwer	✔	✘
	AS212895	Johannes Ernst	✔	✘
	AS49581	Ferdinand Zink trading as Tube-Hosting	✔	✘
	AS30058	FDCservers.net	✔	✘
	AS213622	Falcon FZE LLC	✔	✘

aut-num:        AS212762
as-name:        CK-IT-AS
org:            ORG-CIS57-RIPE
sponsoring-org: ORG-ZHL2-RIPE
import:         from AS202673 accept ANY
export:         to AS202673 announce AS212762
import:         from AS34927 accept ANY
export:         to AS34927 announce AS212762
import:         from AS18796 accept ANY
export:         to AS18796 announce AS212762
import:         from AS53667 accept ANY
export:         to AS53667 announce AS212762
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CK-ITSOLUTIONS-MNT
created:        2023-06-19T07:27:59Z
last-modified:  2025-04-04T12:14:12Z
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:        ****************************


organisation:   ORG-CIS57-RIPE
org-name:       Casper Krook trading as Ck IT Solutions
country:        NL
org-type:       OTHER
address:        Dummy address for ORG-CIS57-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        ACRO51890-RIPE
mnt-ref:        IPXO-MNT
mnt-ref:        CLOUDIE-MNT
mnt-by:         CK-ITSOLUTIONS-MNT
created:        2023-02-24T19:08:08Z
last-modified:  2023-06-22T19:06:57Z
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: 2026-04-04T03:24:14Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ALTDB	as-ifog	2355
RADB	as53667:as-customers	684
RIPE	as212762:as-ck-it-as	1
RADB	as-jchsub	10
RIPE	as-transroute-spec	19637
RIPE	as-fogixp	43180
RIPE	as-ifog	2355
RIPE	as-ldn	5
RIPE	as213527:as-it-adjutor-downstreams	4
RIPE	as51396:as-cust	79
RIPE	as44103:as-bakker-it-auto-downstreams	52
RIPE	as-bgpexchange-peers	1300
RIPE	as215114:as-slbcloud	35
RIPE	as214677:as-deluxhost	21