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	Prefix	Description
	192.16.184.0/24	CWI Amsterdam The Netherlands
	192.16.191.0/24	CWI Amsterdam The Netherlands
	192.16.196.0/23	RIPE Network Coordination Centre
	192.16.201.0/24	CWI Amsterdam The Netherlands

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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.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS1103	SURF B.V.	✔	✘

aut-num:        AS1888
as-name:        CWI-NL
org:            ORG-CCvW1-RIPE
remarks:        Amsterdam
remarks:        The Netherlands
import:         from AS1103
                action pref=90;
                accept AS1103
import:         from AS1104
                action pref=80;
                accept AS1104
import:         from AS1124
                action pref=70;
                accept AS1124
import:         from AS1126
                action pref=60;
                accept AS1126
export:         to AS1103
                announce AS1888
export:         to AS1104
                announce AS1888
export:         to AS1124
                announce AS1888
export:         to AS1126
                announce AS1888
default:        to AS1103
                action pref=90;
                networks ANY
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
notify:         hostmaster@cwi.nl
mnt-by:         AS1888-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2017-11-15T09:14:24Z
source:         RIPE
sponsoring-org: ORG-Sb3-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-CCvW1-RIPE
org-name:       Stichting Centrum voor Wiskunde en Informatica
country:        NL
org-type:       OTHER
address:        Dummy address for ORG-CCvW1-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR22878-RIPE
mnt-ref:        RIPE-ERX-MNT
mnt-by:         RIPE-ERX-MNT
created:        2004-11-03T15:42:47Z
last-modified:  2022-12-01T17:08:54Z
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: 2025-12-22T03:24:22Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-transits	1364
LEVEL3	as-level3-origins-eu	0
LEVEL3	as-lumen-customers-asns	10695
RIPE	as1103:as-surf	35
RIPE	as-surfnet	35
RIPE	as-nobsurf	11