HomePrefix Lookup133.238.8.0/21

133.238.8.0/21

🇯🇵
IPv4APNICannouncedAS2497IIJ - Internet Initiative Japan Inc. RPKI Valid
CIDR
133.238.8.0/21
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
133.238.8.0/21AS2497IIJ - Internet Initiative Japan Inc. Valid
RADB
6/13/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
133.238.8.0/21AS2497/21apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS2497RADBMAINT-AS249711/13/2023
Origin ASN
AS2497
IIJ - Internet Initiative Japan Inc.
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6916, 139.7680 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/133.238.8.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/133.238.8.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP