Network topology

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

AS29180

Currently announcedSnapshot awaiting refresh

O2-ONLINE-AS Telefonica UK Limited · O2-ONLINE-AS

Last observed10/28/2026, 21:17:37Open ASN profile →

AS29180 relationship topology

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AS29180O2-ONLINE-AS Telefonica…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS35228Telefonica UK Limited

Relationship: Upstream
Observed weight: 519
ASN registration country: United Kingdom
Latest RIS data: 10/28/2026, 00:00:00

Open AS35228 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
AS35228Observed weight 519	Telefonica UK Limited	Upstream	United Kingdom	8/21/2019, 00:00:00	10/28/2026, 00:00:00	7,710	0

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