Network topology

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

AS15633

Currently announcedSnapshot awaiting refresh

Universitat Oberta de Catalunya · UOC-AS

Last observed9/30/2026, 15:25:32Open ASN profile →

AS15633 relationship topology

Showing 2 / 2

AS15633Universitat Oberta de C…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3352Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U.

Relationship: Upstream
Observed weight: 264
ASN registration country: Spain
Latest RIS data: 9/30/2026, 00:00:00

Open AS3352 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3352Observed weight 264	Telefonica_de_EspaNa TELEFONICA DE ESPANA S.A.U.	Upstream	Spain	8/19/2019, 00:00:00	9/30/2026, 00:00:00	333	0
AS13041Observed weight 257	CESCA-AC Consorci de Serveis Universitaris de Catalunya	Upstream	Spain	8/19/2019, 00:00:00	9/30/2026, 00:00:00	682	0

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