San Diego Supercomputer Center
Cluster stats
Netblocks74
All fragments 86 blocks across 8 clusters
Cluster ID191603395
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 39 shared RIR contact/maintainer handles
Registry names 19 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (74)

showing 50 of 74 — 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
122.226.155.88/30 SAN-MEN-PMB APNIC ASSIGNED NON-PORTABLE ● high
132.249.0.0/16 San Diego Supercomputer Center BGP ANNOUNCED ● 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 BGP ANNOUNCED ● high
192.31.21.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.67.20.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
192.67.81.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● 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
192.225.112.0/21 San Diego Broadband BGP ANNOUNCED ● high
192.225.112.0/20 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 BGP ANNOUNCED ● high
198.17.47.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.17.101.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.187.222.0/24 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.64.0/18 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.64.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.80.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.96.0/20 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.96.0/19 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
198.202.112.0/21 San Diego Supercomputer Center BGP ANNOUNCED ● high
198.202.112.0/20 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
203.198.40.136/29 san-hk-hk APNIC ASSIGNED NON-PORTABLE ● high
209.16.132.0/22 San Diego Broadband BGP ANNOUNCED ● high
209.242.156.0/23 San Diego Padres BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: D how networks compare →
31.1% of checked blocks have valid RPKI ROA coverage (23 of 74)
Possible discrepancies (7)

These blocks are registered to San Diego Supercomputer Center but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:41f0:21c7::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
211.100.225.0/24 /24 authorized for AS4808 — China Unicom
103.212.181.0/24 /24 authorized for AS135290 — Server & Networking Co.,Ltd.
103.212.182.0/24 /24 authorized for AS135290 — Server & Networking Co.,Ltd.
103.212.183.0/24 /24 authorized for AS135290 — Server & Networking Co.,Ltd.
103.163.236.0/24 /24 authorized for AS141782 — Search Air Network
103.163.237.0/24 /24 authorized for AS141782 — Search Air Network

NIC Handles

ADK3-AP AL674-AP AS1909 AS195 AS2408-AP AS3096-AP AS40866 AS46268 AT837-AP AT837-AP CT24-AP DUMY-RIPE +27 more