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	Prefix	Description
	194.104.186.0/23	Culemborg

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS39686	Eurofiber Nederland BV	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS39686	Eurofiber Nederland BV	✔	✘

aut-num:        AS200347
as-name:        Centraaal_Boekhuis
org:            ORG-CBB1-RIPE
sponsoring-org: ORG-OPB1-RIPE
import:         from AS24785 accept ANY
export:         to AS24785 announce AS200347
import:         from AS20562 accept ANY
export:         to AS20562 announce AS200347
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OPENPEERING-MNT
created:        2022-12-21T15:15:17Z
last-modified:  2022-12-21T15:15:17Z
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-CBB1-RIPE
org-name:       Centraal Boekhuis B.V.
country:        NL
org-type:       OTHER
address:        Dummy address for ORG-CBB1-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        AC29539-RIPE
mnt-ref:        OPENPEERING-MNT
mnt-by:         OPENPEERING-MNT
created:        2015-01-28T19:19:29Z
last-modified:  2026-04-29T06:46:21Z
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: 2026-05-06T03:24:16Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-eurofiber-customers	137