JR East Information Systems Company
BGP inherited
Cluster stats
| Netblocks | 74 · 655,296 IPv4 addresses |
| Registered in | Japan (73) · United Kingdom (1) |
| Cluster ID | 208789560 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
73
0 netblocks since 2026-07-05
2026-07-05
peak 73
2026-07-19
IP Ranges (74)
showing 50 of 74 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 157.71.0.0/17 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.0.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.1.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.2.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.4.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.8.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.16.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.18.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.19.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.20.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.21.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.22.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.24.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.32.0/19 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.64.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.65.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.66.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.68.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.72.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.80.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.84.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.86.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.88.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.96.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.112.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.128.0/17 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.128.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.144.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.160.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.176.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.71.192.0/18 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.0.0/17 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.0.0/19 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.32.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.40.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.44.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.48.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.56.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.64.0/18 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.128.0/20 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.128.0/17 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.144.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.148.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.149.0/24 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.150.0/23 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.152.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.160.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.168.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.172.0/22 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
| 157.72.176.0/21 | JR East Information Systems Company | BGP | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
1.4%
of checked blocks have valid RPKI ROA coverage
(1 of 74)
No discrepancies found among checked blocks.
NIC Handles
AS131932
AS131932
DUMY-RIPE
DUMY-RIPE
IIJ-APS-MNT
IIJ_OMC
JA20396-MNT