Network topology

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

AS6871

Currently announcedSnapshot awaiting refresh

Plusnet British Telecommunications Limited · Plusnet

Last observed9/29/2026, 15:16:46Open ASN profile →

AS6871 relationship topology

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AS6871Plusnet British Telecom…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2856BT-UK-AS British Telecommunications Limited

Relationship: Upstream
Observed weight: 361
ASN registration country: United Kingdom
Latest RIS data: 9/29/2026, 00:00:00

Open AS2856 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
AS2856Observed weight 361	BT-UK-AS British Telecommunications Limited	Upstream	United Kingdom	8/19/2019, 00:00:00	9/29/2026, 00:00:00	20,552	682

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