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AS8991 Hellenic Centre for Marine Research

Greece HCMR-NET RIPE 4 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
1,280
IPv6 /48 networks
0
RPKI
4 valid0 no ROA
Peers and downstreams
1

Holder

AS name
HCMR-NET
Description
Hellenic Centre for Marine Research
Organisation
Hellenic Centre for Marine Research
Abuse contact
noc@her.hcmr.gr
Assigned
1998-09-28
Registered
1970-01-01
Record last changed
2016-04-14 09:16 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS21320 GEANT Vereniging AS21320 · NL GEANT Vereniging AS5408 National Infrastructures for Research and Technology S.A. AS5408 · GR National Infrastructu… AS8991 Hellenic Centre for Marine Research AS8991 · GR Hellenic Centre for M…

Network health

Grade C · 65/100
pass Prefixes covered by valid ROAs
4 of 4 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
noc@her.hcmr.gr 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 2016-04-14.		 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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Routing changes

Last 30 days
2026-10-04 21:23 UTCRelationship changed AS3329 upstream to peer

WHOIS

aut-num:        AS8991
as-name:        HCMR-NET
org:            ORG-IOMB1-RIPE
admin-c:        SD1998-RIPE
tech-c:         SD1998-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8991-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-14T09:16:25Z
source:         RIPE
sponsoring-org: ORG-GRaT1-RIPE
% 6 routing policy lines (import/export) not shown