HomePrefix Lookup133.186.56.0/21

133.186.56.0/21

🇯🇵
CIDR
133.186.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
133.186.56.0/21AS63782maotv - Omaezaki Cable Television Co.Ltd Valid—6/1/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
133.186.56.0/21AS63782/21apnic
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
GEThttps://api.ipctl.io/v1/prefix/133.186.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/133.186.56.0/21" | jq