HomePrefix Lookup202.223.128.0/17
CIDR
202.223.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
202.223.128.0/17AS2907SINET-AS - Research Organization of Information and Systems, National Institute of InformaticsNo ROA—6/1/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
202.223.230.0/23AS24260KINJO-AS - Board of trusty: Kinjo-GakuenNo ROA—6/1/2026
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
GEThttps://api.ipctl.io/v1/prefix/202.223.128.0/17

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/202.223.128.0/17" | jq