三井情報株式会社
MITSUI KNOWLEDGE INDUSTRY CO., LTD.
GLEIF verified
Complete entity footprint
6 linked clusters ·
20 netblocks ·
71,589 IPv4 addresses
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
353800LOZS21EKPI6D16
Registered name
三井情報株式会社
Jurisdiction
Cluster stats
| Netblocks | 5 · 533 IPv4 addresses |
| All fragments | 8 blocks across 2 clusters |
| Cluster ID | 213306692 |
| Registry | APNIC |
| Owner jurisdiction | JP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 353800LOZS21EKPI6D16 |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-19
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 210.171.224.108/32 | MITSUI KNOWLEDGE INDUSTRY CO., LTD. | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:8::1:7673:1/128 | MITSUI KNOWLEDGE INDUSTRY CO., LTD. | PEERINGDB | ASSIGNED | ● high |
| 180.189.9.8/29 | MITSUI-TY4 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 180.189.9.32/28 | Mitsui-TY4 | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 202.4.248.0/23 | MITSUI-NW | APNIC | ASSIGNED PORTABLE | ● low |
Corporate group (6 confirmed entities)
- MITSUI 7 blocks
- MITSUI & CO., LTD. 4 blocks
- MITSUI-BUSSAN-COMMODITIES-LTD 2 blocks
- Mitsui & Company (USA) Inc. 1 blocks
- Mitsui & Co Europe LTD 1 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
80.0%
of checked blocks have valid RPKI ROA coverage
(4 of 5)
No discrepancies found among checked blocks.
NIC Handles
AE278-AP
AG545-AP
AG545-AP
AS17673
JNIC1-AP
JNIC1-AP
MAINT-AP-EQUINIXPAC
MAINT-JPNIC