103.140.112.0/23
🇯🇵CIDR
103.140.112.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Shinagawa
RIR
APNIC
Status
assigned
Allocated
6/26/2019
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.140.112.0/24 | AS139255U-NEXT-AS-AP - U-NEXT Co.,Ltd. | Valid | — | 5/31/2026 |
| 103.140.113.0/24 | AS139255U-NEXT-AS-AP - U-NEXT Co.,Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS139255
U-NEXT-AS-AP - U-NEXT Co.,Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.140.112.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.140.112.0/23" | jq
External Links