Network topology

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

AS1145

Currently announcedSnapshot awaiting refresh

Kennisnet-AS SURF B.V. · Kennisnet-AS

Last observed9/29/2026, 07:25:56Open ASN profile →

AS1145 relationship topology

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AS1145Kennisnet-AS SURF B.V.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1103SURFNET-NL SURF B.V.

Relationship: Upstream
Observed weight: 368
ASN registration country: Netherlands
Latest RIS data: 11/5/2026, 00:00:00

Open AS1103 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1103Observed weight 368	SURFNET-NL SURF B.V.	Upstream	Netherlands	8/19/2019, 00:00:00	11/5/2026, 00:00:00	349	346

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