Network topology

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

AS31438

Currently announcedSnapshot awaiting refresh

SWMR-AS Stadtwerke Marburg GmbH · SWMR-AS

Last observed10/2/2026, 09:35:19Open ASN profile →

AS31438 relationship topology

Showing 2 / 2

AS31438SWMR-AS Stadtwerke Marb…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS9145EWETEL EWE TEL GmbH

Relationship: Upstream
Observed weight: 315
ASN registration country: Germany
Latest RIS data: 10/29/2026, 00:00:00

Open AS9145 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
AS9145Observed weight 315	EWETEL EWE TEL GmbH	Upstream	Germany	8/21/2019, 00:00:00	10/29/2026, 00:00:00	420	195
AS8881Observed weight 220	VERSATEL 1&1 Versatel GmbH	Upstream	Germany	8/21/2019, 00:00:00	10/29/2026, 00:00:00	266	147

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