Japan Registry Service Co., Ltd.
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 4 · 512 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:dc4::/32) |
| Also registered under this name | 9 netblocks across 2 separate records |
| Record ID | 241133038 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 2 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 203.119.1.0/24 | Japan Registry Service Co., Ltd. | BGP | ANNOUNCED | ● high |
| 203.119.40.0/24 | Japan Registry Service Co., Ltd. | BGP | ANNOUNCED | ● high |
| 2001:dc4::/32 | Japan Registry Service Co., Ltd. | BGP | ANNOUNCED | ● high |
| 2001:dc9::/32 | Japan Registry Service Co., Ltd. | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
NIC Handles
AS23774
AS24252