Network topology

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

AS218531

Currently announcedSnapshot awaiting refresh

WallStreetDocs Ltd · wsd-as-uk

Last observed11/11/2026, 00:47:33Open ASN profile →

AS218531 relationship topology

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AS218531WallStreetDocs Ltd

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED

Relationship: Upstream
Observed weight: 261
ASN registration country: United Kingdom
Latest RIS data: 11/10/2026, 00:00:00

Open AS25577 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS25577Observed weight 261	C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED	Upstream	United Kingdom	10/2/2019, 00:00:00	11/10/2026, 00:00:00	666	0

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