国立大学法人東京科学大学
Institute of Science Tokyo
Data as of 2026-08-16
GLEIF verified
LEI
3538000B4Y0DX8HVPC82
Registered name
国立大学法人東京科学大学
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 3 · 65,536 IPv4 addresses |
| IPv6 | 1 prefix (largest 2403:4440::/32) |
| All fragments | 6 blocks across 2 clusters |
| Cluster ID | 222402215 |
| Registry | BGP |
| Owner jurisdiction | JP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 3538000B4Y0DX8HVPC82 |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 131.112.0.0/16 | Institute of Science Tokyo | BGP | ANNOUNCED | ● high |
| 131.112.254.0/24 | Institute of Science Tokyo | BGP | ANNOUNCED | ● high |
| 2403:4440::/32 | Institute of Science Tokyo | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2403:4440::/32 |
NIC Handles
AS9367