202.57.224.0/20
🇯🇵CIDR
202.57.224.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
4/2/2004
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.57.224.0/20 | AS18134KITANET - JCOM Co., Ltd. | Valid | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.57.224.0/21 | AS18134KITANET - JCOM Co., Ltd. | Valid | — | 6/1/2026 |
| 202.57.232.0/21 | AS18134KITANET - JCOM Co., Ltd. | Valid | — | 6/1/2026 |
Origin ASN
AS18134
KITANET - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/202.57.224.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.57.224.0/20" | jq
External Links