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	Prefix	Description
	192.42.121.0/24	SURFnet bv
	192.42.132.0/24	SURFnet bv
	194.104.0.0/24	Europe
	2001:678:230::/48	SURF B.V.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1103	SURF B.V.	✔	✔
	AS1101	SURF (Thunderlab)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS1103	SURF B.V.	✔	✔
	AS1101	SURF (Thunderlab)	✔	✘

aut-num:        AS1102
as-name:        SMEERBOEL-AS
descr:          SMEERBOEL BV
org:            ORG-Sb3-RIPE
remarks:        For abuse/security issues:
remarks:        contact <abuse@as1102.net>
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         AS1102-MNT
created:        2002-08-21T16:06:21Z
last-modified:  2017-06-12T14:13:48Z
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-Sb3-RIPE
org-name:       SURF B.V.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-Sb3-RIPE
e-mail:         unread@ripe.net
abuse-c:        SNS1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SN-LIR-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SN-LIR-MNT
created:        2004-04-17T11:43:29Z
last-modified:  2023-02-21T13:35:38Z
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: 2025-04-17T03:24:56Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-notsurfnet	4
RIPE	as-surfnet	35
RIPE	as1103:as-surf	35