HomePrefix Lookup163.220.252.0/22

163.220.252.0/22

🇯🇵
IPv4APNICallocatedAS37917UTINS - University of TsukubaNo ROA
CIDR
163.220.252.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
4/2/1993

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
163.220.252.0/22AS37917UTINS - University of TsukubaNo ROA—6/1/2026
Origin ASN
AS37917
UTINS - University of Tsukuba
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6916, 139.7680 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/163.220.252.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/163.220.252.0/22" | jq
External Links
RIPEstat Hurricane Electric BGP