University of California at Berkeley

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks22 · 203,520 IPv4 addresses
IPv6 3 prefixes (largest 2607:f140::/32)
All fragments 153 blocks across 12 clusters
Cluster ID218142196
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
25 +3 netblocks since 2026-07-05
2026-07-05 peak 25 2026-08-09

IP Ranges (22)

⬇ export CSV
CIDR Org name Registry Status Confidence
67.21.36.0/24 University of California at Berkeley BGP ANNOUNCED ● high
128.32.0.0/16 University of California at Berkeley ARIN DIRECT ALLOCATION ● high
136.152.0.0/16 University of California at Berkeley BGP ANNOUNCED ● high
169.229.0.0/16 University of California at Berkeley ARIN ASSIGNMENT ● high
169.229.176.0/20 University of California at Berkeley BGP ANNOUNCED ● high
169.236.240.0/21 University of California at Berkeley BGP ANNOUNCED ● high
192.12.234.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.31.95.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.31.161.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.35.209.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.58.221.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.101.42.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.107.102.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.150.186.0/23 University of California at Berkeley BGP ANNOUNCED ● high
192.154.4.0/23 University of California at Berkeley BGP ANNOUNCED ● high
192.154.6.0/24 University of California at Berkeley BGP ANNOUNCED ● high
192.195.74.0/24 University of California at Berkeley BGP ANNOUNCED ● high
208.68.240.0/22 University of California at Berkeley BGP ANNOUNCED ● high
209.129.246.0/24 University of California at Berkeley BGP ANNOUNCED ● high
2607:f140::/32 University of California at Berkeley BGP ANNOUNCED ● high
2607:f140:a000::/48 University of California at Berkeley BGP ANNOUNCED ● high
2607:f140:e000::/48 University of California at Berkeley BGP ANNOUNCED ● high

IPv6 ranges (3)

CIDR
2607:f140::/32
2607:f140:a000::/48
2607:f140:e000::/48

Domains hosted in this network

what's this?
berkeley.edu

NIC Handles

AS25 AS393282 UCAB-1 UCAB-1-Z UCB-NOC-ARIN UCB-NOC-ARIN UCB-NOC-ARIN UCBSE-ARIN