AS8991 Hellenic Centre for Marine Research 🇬🇷 GR

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /24)

IPv6 prefixes

Upstreams

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Peers

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Downstreams

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Customer cone

ASes reachable through it

Registry and operator data

AS number: AS8991
Name: Hellenic Centre for Marine Research
Organisation: Hellenic Centre for Marine Research
Country: 🇬🇷 GR
RIR: RIPENCC
Allocated: 1998-09-29

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS8988 - AS9128
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-06-30T13:55:30Z
last-modified:  2026-06-30T13:55:30Z
source:         RIPE

aut-num:        AS8991
as-name:        HCMR-NET
org:            ORG-IOMB1-RIPE
import:         from AS5408 action pref=100; accept ANY
import:         from AS1241 action pref=150; accept ANY
export:         to AS5408 announce AS8991
export:         to AS1241 announce AS8991
default:        to AS5408 action pref=100; networks ANY
default:        to AS5408 action pref=150; networks ANY
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

organisation:   ORG-IOMB1-RIPE
org-name:       Hellenic Centre for Marine Research
country:        GR
reg-nr:         Not Applicable
org-type:       OTHER
address:        Thalasocosmos, Former US base at Gournes,
address:        P.O. Box 2214
address:        Greece
phone:          +30 2810 337806
fax-no:         +30 2810 337822
abuse-c:        HHN20-RIPE
mnt-ref:        AS8991-MNT
mnt-by:         AS8991-MNT
mnt-by:         GRNET-NOC
created:        2014-06-06T15:20:33Z
last-modified:  2026-05-13T06:32:41Z
source:         RIPE # Filtered

person:         Sidirokastritis Dimitris
address:        Hellenic Centre for Marine Research
address:        Thalasocosmos, Former US base at Gournes,
address:        P.O. Box 2214
phone:          +30 2810 337709
fax-no:         +30 2810 337822
nic-hdl:        SD1998-RIPE
mnt-by:         AS8991-MNT
mnt-by:         GRNET-NOC
created:        1970-01-01T00:00:00Z
last-modified:  2015-07-27T10:28:00Z
source:         RIPE # Filtered