HomePrefix Lookup133.28.0.0/16

133.28.0.0/16

🇯🇵
IPv4APNICannouncedAS55380KAINS - Kanazawa UniversityNo ROA
CIDR
133.28.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
133.28.0.0/16AS55380KAINS - Kanazawa UniversityNo ROA
RADB
6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS55380RADBMAINT-AS768411/13/2023
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
GEThttps://api.ipctl.io/v1/prefix/133.28.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/133.28.0.0/16" | jq