Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS8991

Currently announcedSnapshot awaiting refresh

Hellenic Centre for Marine Research · HCMR-NET

Last observed9/29/2026, 23:04:00Open ASN profile →

AS8991 relationship topology

Showing 2 / 2

AS8991Hellenic Centre for Mar…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5408GR-NET National Infrastructures for Research and Technology S.A.

Relationship: Upstream
Observed weight: 280
ASN registration country: Greece
Latest RIS data: 9/29/2026, 00:00:00

Open AS5408 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS5408Observed weight 280	GR-NET National Infrastructures for Research and Technology S.A.	Upstream	Greece	8/19/2019, 00:00:00	9/29/2026, 00:00:00	1,383	0
AS3329Observed weight 5	HOL-GR Vodafone-panafon Hellenic Telecommunications Company SA	Upstream	Greece	8/19/2019, 00:00:00	9/29/2026, 00:00:00	5	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context