Network topology

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

AS39100

Currently announcedSnapshot awaiting refresh

PFORZHEIM-AS Stadtverwaltung Pforzheim · PFORZHEIM-AS

Last observed9/30/2026, 23:46:03Open ASN profile →

AS39100 relationship topology

Showing 2 / 2

AS39100PFORZHEIM-AS Stadtverwa…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS553BELWUE Universitaet Stuttgart

Relationship: Upstream
Observed weight: 256
ASN registration country: Germany
Latest RIS data: 10/17/2026, 00:00:00

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All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS553Observed weight 256	BELWUE Universitaet Stuttgart	Upstream	Germany	8/19/2019, 00:00:00	10/17/2026, 00:00:00	330	0
AS12480Observed weight 11	ASILK ILK Internet GmbH Rechnerkommunikation im Internet	Upstream	Germany	8/19/2019, 00:00:00	10/17/2026, 00:00:00	11	0

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