San Diego Supercomputer Center
Data as of 2026-08-16
BGP inherited
Cluster stats
| Netblocks | 59 · 171,264 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2001:48d0::/32) |
| All fragments | 92 blocks across 10 clusters |
| Cluster ID | 222381068 |
| Registry | BGP |
| Customers | find 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