HomePrefix Lookup163.208.0.0/17
CIDR
163.208.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
163.208.0.0/17AS7502IP-KYOTO - Advanced Software Technology & Management Research Institute of KYOTONo ROA
RADB
6/1/2026

Covering Prefix

1 less-specific announcement

IRR Route Objects

1
OriginRegistryMaintainerModified
AS7502RADBMAINT-AS463711/13/2023
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda
GEThttps://api.ipctl.io/v1/prefix/163.208.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/163.208.0.0/17" | jq