HomePrefix Lookup133.8.0.0/16

133.8.0.0/16

🇯🇵
IPv4APNICannouncedAS2907SINET-AS - Research Organization of Information and Systems, National Institute of InformaticsNo ROA
CIDR
133.8.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Maebashi (4-chōme)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
133.8.0.0/16AS2907SINET-AS - Research Organization of Information and Systems, National Institute of InformaticsNo ROA—5/30/2026
Origin ASN
AS2907
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics
Geolocation
Country🇯🇵JapanJP
RegionGunma
CityMaebashi (4-chōme)
Coordinates36.4308, 139.0450 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/133.8.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/133.8.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP