Network topology

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

AS61351

Currently announcedSnapshot awaiting refresh

Linfosys Linfosys BV · Linfosys

Last observed10/6/2026, 06:52:53Open ASN profile →

AS61351 relationship topology

Showing 2 / 2

AS61351Linfosys Linfosys BV

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS33915TNF-AS Vodafone Libertel B.V.

Relationship: Upstream
Observed weight: 336
ASN registration country: Netherlands
Latest RIS data: 10/5/2026, 00:00:00

Open AS33915 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS33915Observed weight 336	TNF-AS Vodafone Libertel B.V.	Upstream	Netherlands	8/25/2019, 00:00:00	10/5/2026, 00:00:00	316	321
AS12315Observed weight 10	QSP-AS Quality Service Provider BV	Upstream	Netherlands	8/25/2019, 00:00:00	10/5/2026, 00:00:00	13	12

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