古河電気工業株式会社
Furukawa Electric Co., Ltd.
Data as of 2026-09-20
GLEIF verified
LEI
353800TJR1DQ3P1QR918
Registered name
古河電気工業株式会社
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 8 · 8,464 IPv4 addresses |
| Registered in | Japan (6) · United Kingdom (1) · United States (1) |
| Also registered under this name | 10 netblocks across 2 separate records |
| Record ID | 240850298 |
| Registry | APNIC |
| Owner jurisdiction | JP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 353800TJR1DQ3P1QR918 |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.52.119.0/24 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.52.120.0/21 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.52.128.0/20 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.52.144.0/22 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.52.148.0/23 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.52.150.0/24 | Furukawa Electric Co., Ltd. | APNIC | ASSIGNED PORTABLE | ● high |
| 192.203.72.0/24 | Furukawa Electric Technologies, Inc. | ARIN | ASSIGNMENT | ● high |
| 46.37.37.0/28 | Furukawa-Electric-01 | RIPE | ASSIGNED PA | ● low |
Footprint over time
13 weekly snapshots · JSON
8
-5 netblocks since 2026-07-05
2026-07-05
peak 14
2026-09-20
Network trust
what's this?
RPKI hygiene: F
how networks compare →
12.5%
of checked blocks have valid RPKI ROA coverage
(1 of 8)
No discrepancies found among checked blocks.
NIC Handles
AF700-AP
APNIC-HM
CERBERUS-MNT
CKN23-ARIN
CKN23-ARIN
CKN23-ARIN
DUMY-RIPE
DUMY-RIPE
FECL1-AP
FECL1-AP
FET
ORG-FECL1-AP
+1 more