Network topology

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

AS8737

Currently announcedSnapshot awaiting refresh

PT KPN B.V. · PT

Last observed9/29/2026, 22:19:21Open ASN profile →

AS8737 relationship topology

Showing 3 / 3

AS8737PT KPN B.V.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS15879Vancis IP B.V.

Relationship: Downstream
Observed weight: 272
ASN registration country: Netherlands
Latest RIS data: 10/30/2026, 00:00:00

Open AS15879 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
AS15879Observed weight 272	Vancis IP B.V.	Downstream	Netherlands	8/19/2019, 00:00:00	10/30/2026, 00:00:00	672
AS64416Observed weight 272	WANSCALE Critical Core BV	Upstream	Netherlands	8/19/2019, 00:00:00	10/30/2026, 00:00:00	672
AS1136Observed weight 271	KPN KPN B.V.	Upstream	Netherlands	8/19/2019, 00:00:00	10/30/2026, 00:00:00	2,004

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