AS22323 — UNIVERSITY-OF-CALIFORNIA-MERCED

AS22323 announces 4 IPv4 prefixes covering 65,548 addresses and 0 IPv6 prefixes.

About this network

The AS handle UNIVERSITY-OF-CALIFORNIA-MERCED is held by University of California, Merced.

What it's used for

• The address space carries the university's internal network, identified by the netname UCMNET-1 across all major prefixes.
• With 63,500 IPv4 addresses announced across 15 prefixes and only 2 observed neighbours, the ratio indicates an access or eyeball network rather than a transit provider.

Notable

• All registrants for the largest prefixes agree with the announcer, consistently listing the University of California, Merced.
• The address inventory is dominated by the 169.236.0.0/16 range, subdivided into multiple blocks, alongside small allocations in 137.164.23.0/24 and 204.102.225.0/24.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 137.164.23.82/31
• 137.164.23.136/29
• 169.236.0.0/16
• 204.102.225.40/31

Upstream networks

• AS2152 CENIC
• AS2153 CENIC

Adjacent networks

• AS2152 CENIC
• AS2153 CENIC

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 50% of announcements registered; 4 route objects.
• Listed in as-sets: AS-CALREN2, AS-GTTCUST, AS198949:AS-SD.