Network topology

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

AS7377

Currently announcedSnapshot awaiting refresh

UCSD - University of California, San Diego · UCSD

Last observed10/28/2026, 06:23:02Open ASN profile →

AS7377 relationship topology

Showing 3 / 3

AS7377University of Californi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2152CENIC-2152 - CENIC

Relationship: Upstream
Observed weight: 733
ASN registration country: United States
Latest RIS data: 10/28/2026, 00:00:00

Open AS2152 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2152Observed weight 733	CENIC-2152 - CENIC	Upstream	United States	8/19/2019, 00:00:00	10/28/2026, 00:00:00	6,161	684
AS26397Observed weight 245	OPTIPUTER - The Regents of the University of California - University of California, San Diego.	Downstream	United States	8/19/2019, 00:00:00	10/28/2026, 00:00:00	322	0
AS2153Observed weight 9	CENIC-2153 - CENIC	Upstream	United States	8/19/2019, 00:00:00	10/28/2026, 00:00:00	144	9

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