Japan Registry Service Co., Ltd.
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 4 · 512 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:dc4::/32) |
| All fragments | 9 blocks across 2 clusters |
| Cluster ID | 214480707 |
| Registry | BGP |
| Customers | find customers using 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