Network topology

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

AS26258

Currently announcedSnapshot awaiting refresh

BASF-CORP - BASF Corporation · BASF-CORP

Last observed10/1/2026, 20:12:59Open ASN profile →

AS26258 relationship topology

Showing 3 / 3

AS26258BASF Corporation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5650Verizon Business

Relationship: Upstream
Observed weight: 264
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS5650 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	IPv6
AS5650Observed weight 264	Verizon Business	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	57	330
AS3257Observed weight 208	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/1/2026, 00:00:00	271	0
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1	0

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