Network topology

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

AS20813

Currently announcedSnapshot awaiting refresh

HOU-AS Hellenic Open University · HOU-AS

Last observed10/1/2026, 06:12:47Open ASN profile →

AS20813 relationship topology

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AS20813HOU-AS Hellenic Open Un…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5408National Infrastructures for Research and Technology S.A.

Relationship: Upstream
Observed weight: 264
ASN registration country: Greece
Latest RIS data: 10/29/2026, 00:00:00

Open AS5408 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS5408Observed weight 264	National Infrastructures for Research and Technology S.A.	Upstream	Greece	8/21/2019, 00:00:00	10/29/2026, 00:00:00	686	0

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