Network topology

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

AS215461

Currently announcedSnapshot awaiting refresh

VIADONAU-AS via donau Oesterreichische Wasserstrassen Gesellschaft mbH · VIADONAU-AS

Last observed10/13/2026, 11:41:41Open ASN profile →

AS215461 relationship topology

Showing 2 / 2

AS215461VIADONAU-AS via donau O…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1764NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH

Relationship: Upstream
Observed weight: 257
ASN registration country: Austria
Latest RIS data: 11/1/2026, 00:00:00

Open AS1764 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
AS1764Observed weight 257	NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	Upstream	Austria	8/28/2019, 00:00:00	11/1/2026, 00:00:00	324	0
AS8437Observed weight 18	UTA-AS Hutchison Drei Austria GmbH	Upstream	Austria	8/28/2019, 00:00:00	11/1/2026, 00:00:00	23	0

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