Network topology

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

AS57137

Currently announcedSnapshot awaiting refresh

SIEVERS-SNC Beteiligungs GmbH · sievers-snc

Last observed10/5/2026, 15:57:23Open ASN profile →

AS57137 relationship topology

Showing 4 / 4

AS57137SIEVERS-SNC Beteiligung…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS61955ColocationIX-AS ColocationIX GmbH

Relationship: Upstream
Observed weight: 381
ASN registration country: Germany
Latest RIS data: 10/5/2026, 00:00:00

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS61955Observed weight 381	ColocationIX-AS ColocationIX GmbH	Upstream	Germany	8/25/2019, 00:00:00	10/5/2026, 00:00:00	584	1,304
AS42184Observed weight 353	AS-TKRZ TKRZ Stadtwerke GmbH	Upstream	Germany	8/25/2019, 00:00:00	10/5/2026, 00:00:00	346	342
AS3356Observed weight 253	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/25/2019, 00:00:00	10/5/2026, 00:00:00	330	0
AS31055Observed weight 70	Consultix GmbH	Upstream	Germany	8/25/2019, 00:00:00	10/5/2026, 00:00:00	116	146

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