163.128.4.0/23
🇲🇳CIDR
163.128.4.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇲🇳 Mongolia
City
Ulaanbaatar (SBD - 1 khoroo)
RIR
APNIC
Status
allocated
Allocated
3/3/2026
Origin ASN
AS154526
Geolocation
Country🇲🇳MongoliaMN
RegionUlaanbaatar
CityUlaanbaatar (SBD - 1 khoroo)
Coordinates47.9133, 106.9140 ↗
API
Open https://api.ipctl.io/v1/prefix/163.128.4.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.128.4.0/23" | jq
External Links