HomePrefix Lookup221.240.0.0/12

221.240.0.0/12

🇯🇵
IPv4APNICallocatedAS17506UCOM - ARTERIA Networks Corporation RPKI Valid
CIDR
221.240.0.0/12
IP Version
IPv4
Addresses
1M
Mask
/12 (255.240.0.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
8/7/2003

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.240.0.0/12AS17506UCOM - ARTERIA Networks Corporation Valid
RADB
6/14/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
221.240.0.0/12AS17506/24apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS17506RADBMAINT-AS1750611/13/2023
Origin ASN
AS17506
UCOM - ARTERIA Networks Corporation
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6906, 139.7700 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/221.240.0.0/12

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

curl -s "https://api.ipctl.io/v1/prefix/221.240.0.0/12" | jq
External Links
RIPEstat Hurricane Electric BGP