AS4766 221.147.32.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096221.147.32.0/24221.147.33.0/24221.147.34.0/24221.147.35.0/24221.147.36.0/24221.147.37.0/24221.147.38.0/24221.147.39.0/24221.147.40.0/24221.147.41.0/24221.147.42.0/24221.147.43.0/24221.147.44.0/24221.147.45.0/24221.147.46.0/24221.147.47.0/24