University of California, San Diego

BGP inherited
Cluster stats
Netblocks24 · 13,122,026 IPv4 addresses
All fragments 82 blocks across 8 clusters
Cluster ID213592554
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
24 +4 netblocks since 2026-07-05
2026-07-05 peak 24 2026-07-26

IP Ranges (24)

⬇ export CSV
CIDR Org name Registry Status Confidence
44.0.0.0/9 University of California, San Diego BGP ANNOUNCED ● high
44.128.0.0/10 University of California, San Diego BGP ANNOUNCED ● high
69.166.11.0/24 University of California, San Diego BGP ANNOUNCED ● high
69.196.32.0/19 University of California, San Diego BGP ANNOUNCED ● high
69.196.32.0/20 University of California, San Diego BGP ANNOUNCED ● high
69.196.40.0/24 University of California, San Diego BGP ANNOUNCED ● high
128.54.0.0/16 University of California, San Diego BGP ANNOUNCED ● high
128.54.0.0/16 University of California, San Diego ARIN DIRECT ALLOCATION ● high
132.239.0.0/16 University of California, San Diego ARIN DIRECT ALLOCATION ● high
132.239.0.0/16 University of California, San Diego BGP ANNOUNCED ● high
137.110.0.0/16 University of California, San Diego BGP ANNOUNCED ● high
137.110.0.0/16 University of California, San Diego ARIN DIRECT ALLOCATION ● high
169.228.0.0/16 University of California, San Diego ARIN DIRECT ALLOCATION ● high
169.228.0.0/16 University of California, San Diego BGP ANNOUNCED ● high
192.135.237.0/24 University of California, San Diego BGP ANNOUNCED ● high
192.135.238.0/24 University of California, San Diego BGP ANNOUNCED ● high
192.154.1.0/24 University of California, San Diego BGP ANNOUNCED ● high
198.134.135.0/24 University of California, San Diego BGP ANNOUNCED ● high
207.34.0.0/24 University of California, San Diego BGP ANNOUNCED ● high
216.21.14.0/24 University of California, San Diego BGP ANNOUNCED ● high
216.151.34.0/24 University of California, San Diego BGP ANNOUNCED ● high
216.151.38.0/24 University of California, San Diego BGP ANNOUNCED ● high
2001:48d0:c000::/34 University of California, San Diego BGP ANNOUNCED ● high
2607:f720::/32 University of California, San Diego BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
ntp.org ampr.org bindingdb.org wepzone.net dft-cdn42.net ucsd.edu

Network trust

what's this?
RPKI hygiene: D how networks compare →
41.7% of checked blocks have valid RPKI ROA coverage (10 of 24)
No discrepancies found among checked blocks.

NIC Handles

ABUSE878-ARIN AS7377 NOC1807-ARIN NOC1807-ARIN NOC1807-ARIN NOC1807-ARIN NOC1807-ARIN NOC1807-ARIN UCSD-1 UCSD-1-Z UNA13-ARIN UTC1-ARIN