AS1237 is an AS number assigned to KISTI. Country or region: South Korea.

OrganizationKISTI
Registered nameKREONET-AS-KR-KR
CountrySouth Korea (KR)
IPv4 addresses292,608
IPv4 ranges210
IPv6 ranges24
RegistrationLook up the holder and the abuse contact in IP Lookup

AS numbers: South Korea

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
150.183.0.0/16 65,536 Check if your IP is in this range
203.250.192.0/18 16,384 Check if your IP is in this range
134.75.64.0/19 8,192 Check if your IP is in this range
134.75.160.0/19 8,192 Check if your IP is in this range
203.250.0.0/19 8,192 Check if your IP is in this range
210.119.64.0/19 8,192 Check if your IP is in this range
134.75.32.0/20 4,096 Check if your IP is in this range
134.75.224.0/20 4,096 Check if your IP is in this range
203.230.64.0/20 4,096 Check if your IP is in this range
203.247.192.0/20 4,096 Check if your IP is in this range
203.253.96.0/20 4,096 Check if your IP is in this range
203.254.176.0/20 4,096 Check if your IP is in this range
210.107.160.0/20 4,096 Check if your IP is in this range
210.110.144.0/20 4,096 Check if your IP is in this range
210.119.48.0/20 4,096 Check if your IP is in this range
210.125.32.0/20 4,096 Check if your IP is in this range
134.75.24.0/21 2,048 Check if your IP is in this range
134.75.56.0/21 2,048 Check if your IP is in this range
134.75.112.0/21 2,048 Check if your IP is in this range
134.75.136.0/21 2,048 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.