Network topology

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

AS31563

Currently announcedSnapshot awaiting refresh

HNMS-AS Hellenic National Meteorological Service · HNMS-AS

Last observed10/2/2026, 09:58:11Open ASN profile →

AS31563 relationship topology

Showing 2 / 2

AS31563HNMS-AS Hellenic Nation…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

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

Relationship: Upstream
Observed weight: 378
ASN registration country: Greece
Latest RIS data: 10/29/2026, 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 378	GR-NET National Infrastructures for Research and Technology S.A.	Upstream	Greece	8/21/2019, 00:00:00	10/29/2026, 00:00:00	1,023	680
AS3329Observed weight 3	HOL-GR Vodafone-panafon Hellenic Telecommunications Company SA	Upstream	Greece	8/21/2019, 00:00:00	10/29/2026, 00:00:00	6	0

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