203.223.56.0/22
🇯🇵CIDR
203.223.56.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Nagano
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.223.56.0/22 | AS17955AVISNET - Densan Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.223.48.0/20 | AS17955AVISNET - Densan Co., Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS17955
AVISNET - Densan Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.223.56.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.223.56.0/22" | jq
External Links