San Diego Supercomputer Center

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks59 · 171,264 IPv4 addresses
IPv6 5 prefixes (largest 2001:48d0::/32)
All fragments 92 blocks across 10 clusters
Cluster ID222381068
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 26 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
72 -2 netblocks since 2026-07-05
2026-07-05 peak 74 2026-08-16

IP Ranges (59)

showing 50 of 59 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
8.4.120.0/22 San Diego Broadband BGP ANNOUNCED ● high
8.25.32.0/23 San Diego Broadband BGP ANNOUNCED ● high
8.25.36.0/22 San Diego Broadband BGP ANNOUNCED ● high
8.25.37.0/24 San Diego Broadband BGP ANNOUNCED ● high
38.22.48.0/21 San Diego Broadband BGP ANNOUNCED ● high
38.22.48.0/22 San Diego Broadband BGP ANNOUNCED ● high
38.22.52.0/22 San Diego Broadband BGP ANNOUNCED ● high
38.22.60.0/22 San Diego Broadband BGP ANNOUNCED ● high
38.96.24.0/22 San Diego Broadband BGP ANNOUNCED ● high
44.8.5.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
64.154.88.0/22 San Diego Broadband BGP ANNOUNCED ● high
67.58.56.0/21 San Diego Supercomputer Center BGP ANNOUNCED ● high
132.249.0.0/16 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
132.249.104.0/22 San Diego Supercomputer Center BGP ANNOUNCED ● high
153.105.0.0/16 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.12.207.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
192.31.21.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.65.200.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
192.67.20.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.67.21.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
192.67.81.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
192.67.82.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.172.226.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.207.234.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.225.112.0/20 San Diego Broadband ARIN DIRECT ALLOCATION ● high
192.225.112.0/21 San Diego Broadband BGP ANNOUNCED ● high
192.225.120.0/21 San Diego Broadband BGP ANNOUNCED ● high
192.225.127.0/24 San Diego Broadband BGP ANNOUNCED ● high
198.17.46.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
198.17.47.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
198.17.101.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.187.221.0/24 San Diego Supercomputer Center ARIN DIRECT ALLOCATION ● high
198.187.222.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.64.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.64.0/18 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.80.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.96.0/19 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.96.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.100.0/22 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.104.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.110.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.112.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.112.0/21 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.114.0/23 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.116.0/23 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.118.0/23 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.120.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
199.165.16.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
199.165.17.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
204.75.159.0/24 San Diego Computer Society ARIN DIRECT ALLOCATION ● high

IPv6 ranges (5)

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: F how networks compare →
2.8% of checked blocks have valid RPKI ROA coverage (2 of 72)
No discrepancies found among checked blocks.

NIC Handles

AS1909 AS195 AS40866 AS46268 ENS13-ARIN HERMA36-ARIN HERMA36-ARIN MNO68-ARIN MNO68-ARIN MORGA20-ARIN MS292-ARIN MS292-ARIN +14 more