Network topology

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

AS41437

Currently announcedSnapshot awaiting refresh

KNAPP AG · KNAPP-AS

Last observed10/3/2026, 11:49:57Open ASN profile →

AS41437 relationship topology

Showing 4 / 4

AS41437KNAPP AG

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS29056CITYCOM-AS Citycom Telekommunikation GmbH

Relationship: Upstream
Observed weight: 428
ASN registration country: Austria
Latest RIS data: 11/8/2026, 00:00:00

Open AS29056 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
AS29056Observed weight 428	CITYCOM-AS Citycom Telekommunikation GmbH	Upstream	Austria	8/23/2019, 00:00:00	11/8/2026, 00:00:00	874	365
AS7725Observed weight 207	COMCAST-7725 - Comcast Cable Communications, LLC	Upstream	United States	8/23/2019, 00:00:00	11/8/2026, 00:00:00	296	0
AS3356Observed weight 145	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/23/2019, 00:00:00	11/8/2026, 00:00:00	278	0
AS8412Observed weight 65	TMA T-Mobile Austria GmbH	Upstream	Austria	8/23/2019, 00:00:00	11/8/2026, 00:00:00	263	0

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