Network topology

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

AS212151

Currently announcedSnapshot awaiting refresh

Gemeente Den Helder · GEM-DEN-HELDER

Last observed10/16/2026, 00:00:00Open ASN profile →

AS212151 relationship topology

Showing 2 / 2

AS212151Gemeente Den Helder

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1136KPN B.V.

Relationship: Upstream
Observed weight: 184
ASN registration country: Netherlands
Latest RIS data: 10/22/2026, 00:00:00

Open AS1136 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	Visible prefixes	Collectors
AS1136Observed weight 184	KPN B.V.	Upstream	Netherlands	8/28/2019, 00:00:00	10/22/2026, 00:00:00	2	1
AS33915Observed weight 34	TNF-AS Vodafone Libertel B.V.	Upstream	Netherlands	8/28/2019, 00:00:00	10/22/2026, 00:00:00	1	1

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