Network topology

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

AS213475

Currently announcedSnapshot awaiting refresh

TRANSPORTS DE BARCELONA, S.A. · TMB-AS

Last observed10/13/2026, 01:41:14Open ASN profile →

AS213475 relationship topology

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AS213475TRANSPORTS DE BARCELONA…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12479UNI2-AS Orange Espagne SA

Relationship: Upstream
Observed weight: 326
ASN registration country: Spain
Latest RIS data: 10/29/2026, 00:00:00

Open AS12479 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
AS12479Observed weight 326	UNI2-AS Orange Espagne SA	Upstream	Spain	8/28/2019, 00:00:00	10/29/2026, 00:00:00	1,659	0

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