Network topology

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

AS34663

Currently announcedSnapshot awaiting refresh

ASBELASTINGDIENST Belastingdienst · ASBELASTINGDIENST

Last observed10/2/2026, 18:28:14Open ASN profile →

AS34663 relationship topology

Showing 3 / 3

AS34663ASBELASTINGDIENST Belas…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS39686AS-EUROFIBER Eurofiber Nederland BV

Relationship: Upstream
Observed weight: 352
ASN registration country: Netherlands
Latest RIS data: 10/22/2026, 00:00:00

Open AS39686 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
AS39686Observed weight 352	AS-EUROFIBER Eurofiber Nederland BV	Upstream	Netherlands	8/21/2019, 00:00:00	10/22/2026, 00:00:00	330	156
AS24595Observed weight 145	Belastingdienst	Downstream	Netherlands	8/21/2019, 00:00:00	10/22/2026, 00:00:00	168	0
AS33915Observed weight 8	TNF-AS Vodafone Libertel B.V.	Upstream	Netherlands	8/21/2019, 00:00:00	10/22/2026, 00:00:00	6	3

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