HomePrefix Lookup103.40.128.0/22

103.40.128.0/22

🇯🇵
IPv4APNICallocatedAS23808TOSHIMA-NET - TOSHIMA CABLE NETWORK CO.,LTD RPKI Valid
CIDR
103.40.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Toshima City
RIR
APNIC
Status
allocated
Allocated
10/3/2014

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
103.40.128.0/22AS23808TOSHIMA-NET - TOSHIMA CABLE NETWORK CO.,LTD Valid
RADB
5/30/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
103.40.128.0/22AS23808/32apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS23808RADBMAINT-AS98243/4/2026
Origin ASN
AS23808
TOSHIMA-NET - TOSHIMA CABLE NETWORK CO.,LTD
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityToshima City
Coordinates35.7327, 139.7020 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/103.40.128.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/103.40.128.0/22" | jq
External Links
RIPEstat Hurricane Electric BGP