103.153.204.0/23
🇯🇵CIDR
103.153.204.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
allocated
Allocated
7/27/2020
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.153.204.0/23 | AS131953YUTOPIA-NET - NPO Yutopianet | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.153.204.0/24 | AS131953YUTOPIA-NET - NPO Yutopianet | No ROA | — | 5/31/2026 |
| 103.153.205.0/24 | AS131953YUTOPIA-NET - NPO Yutopianet | No ROA | — | 5/31/2026 |
Origin ASN
AS131953
YUTOPIA-NET - NPO Yutopianet
Geolocation
API
Open https://api.ipctl.io/v1/prefix/103.153.204.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.153.204.0/23" | jq
External Links