Network topology

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

AS6878

Currently announcedSnapshot awaiting refresh

AS6878 T-Systems International GmbH · AS6878

Last observed9/29/2026, 15:35:37Open ASN profile →

AS6878 relationship topology

Showing 4 / 4

AS6878AS6878 T-Systems Intern…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 594
ASN registration country: United States
Latest RIS data: 10/5/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3356Observed weight 594	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	10/5/2026, 00:00:00	12,049	291
AS3320Observed weight 347	DTAG Deutsche Telekom AG	Upstream	Germany	8/19/2019, 00:00:00	10/5/2026, 00:00:00	3,724	686
AS20965Observed weight 7	GEANT GEANT Vereniging	Upstream	Netherlands	8/19/2019, 00:00:00	10/5/2026, 00:00:00	7	0
AS21320Observed weight 4	GEANT_IAS_VRF GEANT Vereniging	Upstream	Netherlands	8/19/2019, 00:00:00	10/5/2026, 00:00:00	80	0

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