Network topology

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

AS43259

Currently announcedSnapshot awaiting refresh

LEIDOS-UK Leidos Innovations UK LTD · LEIDOS-UK

Last observed10/29/2026, 14:42:21Open ASN profile →

AS43259 relationship topology

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AS43259LEIDOS-UK Leidos Innova…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2856BT-UK-AS British Telecommunications Limited

Relationship: Upstream
Observed weight: 266
ASN registration country: United Kingdom
Latest RIS data: 10/29/2026, 00:00:00

Open AS2856 profile →

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2856Observed weight 266	BT-UK-AS British Telecommunications Limited	Upstream	United Kingdom	8/23/2019, 00:00:00	10/29/2026, 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