103.90.136.0/23
🇯🇵CIDR
103.90.136.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.90.136.0/23 | AS18464ALVIDI - ALVIDI TECHNOLOGY Inc | Valid | APNIC | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.90.136.0/22 | AS18464ALVIDI - ALVIDI TECHNOLOGY Inc | Valid | — | 5/31/2026 |
| 103.90.136.0/24 | AS18464ALVIDI - ALVIDI TECHNOLOGY Inc | Valid | — | 5/31/2026 |
| 103.90.137.0/24 | AS18464ALVIDI - ALVIDI TECHNOLOGY Inc | Valid | — | 5/31/2026 |
Origin ASN
AS18464
ALVIDI - ALVIDI TECHNOLOGY Inc
Geolocation
Country🇯🇵JapanJP
CityTokyo
API
Open https://api.ipctl.io/v1/prefix/103.90.136.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.90.136.0/23" | jq
External Links