AS4766 221.160.160.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096221.160.160.0/24221.160.161.0/24221.160.162.0/24221.160.163.0/24221.160.164.0/24221.160.165.0/24221.160.166.0/24221.160.167.0/24221.160.168.0/24221.160.169.0/24221.160.170.0/24221.160.171.0/24221.160.172.0/24221.160.173.0/24221.160.174.0/24221.160.175.0/24