University of California, Santa Barbara

BGP inherited
Cluster stats
Netblocks7 · 197,626 IPv4 addresses
All fragments 11 blocks across 2 clusters
Cluster ID213596891
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
7 +1 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-26

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
128.111.0.0/16 University of California, Santa Barbara BGP ANNOUNCED ● high
169.231.0.0/16 University of California, Santa Barbara BGP ANNOUNCED ● high
192.35.222.0/24 University of California, Santa Barbara BGP ANNOUNCED ● high
192.150.216.0/23 University of California, Santa Barbara BGP ANNOUNCED ● high
199.120.153.0/24 University of California, Santa Barbara BGP ANNOUNCED ● high
2607:f378::/32 University of California, Santa Barbara BGP ANNOUNCED ● high
128.111.0.0/16 University of California, Santa Barbara ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

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NIC Handles

AS131 KS1217-ARIN KS1217-ARIN NETWO4536-ARIN UCSB-Z