Network topology

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

AS21173

Currently announcedSnapshot awaiting refresh

ASN-LANTANA LANtana GmbH · ASN-LANTANA

Last observed10/1/2026, 06:40:55Open ASN profile →

AS21173 relationship topology

Showing 3 / 3

AS21173ASN-LANTANA LANtana GmbH

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8881VERSATEL 1&1 Versatel GmbH

Relationship: Upstream
Observed weight: 272
ASN registration country: Germany
Latest RIS data: 9/30/2026, 00:00:00

Open AS8881 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS8881Observed weight 272	VERSATEL 1&1 Versatel GmbH	Upstream	Germany	8/21/2019, 00:00:00	9/30/2026, 00:00:00	343
AS12931Observed weight 185	IDKOM Networks GmbH	Upstream	Germany	8/21/2019, 00:00:00	9/30/2026, 00:00:00	480
AS3331Observed weight 86	OPENXS-AS OpenXS GmbH	Upstream	Germany	8/21/2019, 00:00:00	9/30/2026, 00:00:00	208

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