Network topology

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

AS61346

Currently announcedSnapshot awaiting refresh

ASHMC Heerema Marine Contractors Nederland SE · ASHMC

Last observed10/6/2026, 08:00:43Open ASN profile →

AS61346 relationship topology

Showing 2 / 2

AS61346ASHMC Heerema Marine Co…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1136KPN KPN B.V.

Relationship: Upstream
Observed weight: 142
ASN registration country: Netherlands
Latest RIS data: 10/15/2026, 00:00:00

Open AS1136 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1136Observed weight 142	KPN KPN B.V.	Upstream	Netherlands	8/25/2019, 00:00:00	10/15/2026, 00:00:00	180	0
AS35332Observed weight 133	DATAWEB DataWeb B.V.	Upstream	Netherlands	8/25/2019, 00:00:00	10/15/2026, 00:00:00	171	0

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