Network topology

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

AS213472

Currently announcedSnapshot awaiting refresh

Dr. Josef Koehr · KOEHR-AS

Last observed10/18/2026, 18:28:16Open ASN profile →

AS213472 relationship topology

Showing 5 / 5

AS213472Dr. Josef Koehr

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS212895ROUTE64_ORG Johannes Ernst

Relationship: Upstream
Observed weight: 168
ASN registration country: Germany
Latest RIS data: 10/30/2026, 00:00:00

Open AS212895 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv6
AS212895Observed weight 168	ROUTE64_ORG Johannes Ernst	Upstream	Germany	8/28/2019, 00:00:00	10/30/2026, 00:00:00	227
AS44103Observed weight 99	BAKKER-IT-AS The Mastermind Holding B.V.	Upstream	Netherlands	8/28/2019, 00:00:00	10/30/2026, 00:00:00	135
AS211509Observed weight 2	RUDAKI-AS Rudakov Ihor	Upstream	Ukraine	8/28/2019, 00:00:00	10/30/2026, 00:00:00	2
AS35708Observed weight 1	ASN-4IXP 4b42 UG	Uncertain relationship	Germany	8/28/2019, 00:00:00	10/30/2026, 00:00:00	1
AS201398Observed weight 93	AS201398-NETWORK Guwin Universal Services LLC	Upstream	United States	8/28/2019, 00:00:00	10/15/2026, 00:00:00	121

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