Network topology

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

AS1147

Currently announcedSnapshot awaiting refresh

MCL-AS SURF B.V. · MCL-AS

Last observed9/29/2026, 07:25:59Open ASN profile →

AS1147 relationship topology

Showing 2 / 2

AS1147MCL-AS SURF B.V.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS35467DDF-AS DDFR IT Infra & Security B.V.

Relationship: Upstream
Observed weight: 282
ASN registration country: Netherlands
Latest RIS data: 9/28/2026, 16:00:00

Open AS35467 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
AS35467Observed weight 282	DDF-AS DDFR IT Infra & Security B.V.	Upstream	Netherlands	8/19/2019, 00:00:00	9/28/2026, 16:00:00	725	0
AS1103Observed weight 256	SURFNET-NL SURF B.V.	Upstream	Netherlands	8/19/2019, 00:00:00	9/28/2026, 16:00:00	656	0

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