192.218.128.0/23
🇯🇵IPv4APNICannouncedAS131158NAIST-AS - Nara Institute of Science and Technology, National University CorporationNo ROA
CIDR
192.218.128.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.218.128.0/23 | AS131158NAIST-AS - Nara Institute of Science and Technology, National University Corporation | No ROA | RADB | 5/31/2026 |
Origin ASN
AS131158
NAIST-AS - Nara Institute of Science and Technology, National University Corporation
Geolocation
API
Open https://api.ipctl.io/v1/prefix/192.218.128.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.218.128.0/23" | jq
External Links