Data as of Nov 3, 2026

205.154.251.0/24

No anonymizer space · no proxy exits in 30 days

The Regents of the University of California - University of California, San Diego. · space held by CENIC

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
205.154.0.0/16 since May 2005	AS2152	Business	64 1 always on	CENIC

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
205.154.0.0/16	65,536	CENIC	CENIC (CENIC) · US	Direct Allocation	Jul 8, 2024	[email protected]
└ 205.154.251.0/24	256	CSUNOR-VEN-2	Ventura, CSU Northridge (VCN-2) · US	Reassigned	Jun 9, 1996	[email protected]

Registry

Origin network

Name: The Regents of the University of California - University of California, San Diego.
Type: Education
Registered: May 22, 2009
Domain: ucsd.edu
Industry: Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP: not listed