CALIFORNIA INSTITUTE OF TECHNOLOGY
California Institute of Technology
Data as of 2026-07-26
GLEIF verified
LEI
549300CITPNHOTVPHC04
Registered name
CALIFORNIA INSTITUTE OF TECHNOLOGY
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 13 · 131,840 IPv4 addresses |
| IPv6 | 1 prefix (largest 2607:f520::/32) |
| All fragments | 21 blocks across 3 clusters |
| Cluster ID | 213757916 |
| Registry | BGP |
| Owner jurisdiction | US-CA |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300CITPNHOTVPHC04 |
| 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
6 weekly snapshots · JSON
15
+2 netblocks since 2026-07-05
2026-07-05
peak 15
2026-07-26
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 131.215.0.0/16 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.229.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.230.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.234.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.239.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.240.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.242.0/23 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 131.215.244.0/23 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 134.4.0.0/16 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 192.12.19.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 192.31.43.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 192.41.208.0/24 | California Institute of Technology | BGP | ANNOUNCED | ● high |
| 2607:f520::/32 | California Institute of Technology | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2607:f520::/32 |
Domains hosted in this network
what's this?NIC Handles
AS31
CI2-ORG-ARIN
CI2-ORG-ARIN
CI2-ORG-ARIN
CI2-ORG-ARIN
CIT-4-Z
NETWO4337-ARIN
NETWO4337-ARIN