HomePrefix Lookup103.57.4.0/22

103.57.4.0/22

🇯🇵
IPv4APNICallocatedAS9370SAKURA-B - SAKURA Internet Inc.No ROA
CIDR
103.57.4.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Shinjuku
RIR
APNIC
Status
allocated
Allocated
5/11/2015

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
103.57.4.0/22AS9370SAKURA-B - SAKURA Internet Inc.No ROA
RADB
5/30/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS9370RADBMAINT-AS768411/13/2023
Origin ASN
AS9370
SAKURA-B - SAKURA Internet Inc.
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityShinjuku
Coordinates35.6940, 139.6890 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/103.57.4.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/103.57.4.0/22" | jq
External Links
RIPEstat Hurricane Electric BGP