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AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten

Netherlands Nikhef RIPE 14 IPv4 prefixes 5 IPv6 prefixes
IPv4 addresses
78,592
IPv6 /48 networks
131,073
RPKI
18 valid1 no ROA
Peers and downstreams
11

Holder

AS name
Nikhef
Description
Nikhef Science Park 105 Amsterdam, 1098 XG The Netherlands
Organisation
Stichting Nederlandse Wetenschappelijk Onderzoek Instituten
Registered in
Amsterdam, Netherlands
Abuse contact
security@nikhef.nl
Assigned
1993-08-31
Registered
2001-12-03
Record last changed
2022-03-02 10:49 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS9002 RETN Limited AS9002 · GB RETN Limited AS3257 GTT Communications Inc. AS3257 · US GTT Communications In… AS7195 EDGEUNO S.A.S AS7195 · CO EDGEUNO S.A.S AS1103 SURF B.V. AS1103 · NL SURF B.V. AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten AS1104 · NL Stichting Nederlandse…

Network health

Grade B · 79/100
partly Prefixes covered by valid ROAs
18 of 19 announced prefixes are RPKI valid, 1 have no ROA.		 24/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
5 IPv6 prefixes.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
security@nikhef.nl is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2022-03-02.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS1104 health AS1104 RPKI
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Routing changes

Last 30 days
2026-10-04 05:00 UTCRelationship changed AS8881 upstream to peer
2026-10-04 05:00 UTCRelationship changed AS8298 upstream to peer
2026-10-04 05:00 UTCRelationship changed AS49434 upstream to peer
2026-10-04 05:00 UTCRelationship changed AS29075 upstream to peer
2026-10-04 05:00 UTCRelationship changed AS1136 upstream to peer

WHOIS

aut-num:        AS1104
as-name:        Nikhef
org:            ORG-SVFO1-RIPE
descr:          Nikhef
descr:          Science Park 105
descr:          Amsterdam, 1098 XG
descr:          The Netherlands
admin-c:        NIKR1975-RIPE
tech-c:         NIKR1975-RIPE
tech-c:         DG11973-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         AS1104-MNT
created:        2001-12-03T16:45:26Z
last-modified:  2022-03-02T10:49:57Z
source:         RIPE
% 40 routing policy lines (import/export) not shown