157.17.0.0/19
🇯🇵CIDR
157.17.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇯🇵 Japan
RIR
APNIC
Status
allocated
Allocated
8/14/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.17.0.0/19 | AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics | No ROA | — | 6/15/2026 |
Origin ASN
AS2907
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics
Geolocation
Country🇯🇵JapanJP
Coordinates36.2048, 138.2529 ↗
API
Open https://api.ipctl.io/v1/prefix/157.17.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/157.17.0.0/19" | jq
External Links