Network topology

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

AS208451

Currently announcedSnapshot awaiting refresh

DE-GARTHOFF Frederik Garthoff trading as Fernsehhaus Garthoff GbR · DE-GARTHOFF

Last observed10/11/2026, 16:01:35Open ASN profile →

AS208451 relationship topology

Showing 3 / 3

AS208451DE-GARTHOFF Frederik Ga…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8220COLT COLT Technology Services Group Limited

Relationship: Upstream
Observed weight: 258
ASN registration country: United Kingdom
Latest RIS data: 10/11/2026, 00:00:00

Open AS8220 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS8220Observed weight 258	COLT COLT Technology Services Group Limited	Upstream	United Kingdom	8/28/2019, 00:00:00	10/11/2026, 00:00:00	525
AS21413Observed weight 89	ENVIA-TEL-AS Envia Tel GmbH	Upstream	Germany	8/28/2019, 00:00:00	10/11/2026, 00:00:00	114
AS196714Observed weight 60	TNETKOM-AS Thueringer Netkom GmbH	Upstream	Germany	8/28/2019, 00:00:00	10/11/2026, 00:00:00	71

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