AS4766 218.155.16.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048218.155.16.0/24218.155.17.0/24218.155.18.0/24218.155.19.0/24218.155.20.0/24218.155.21.0/24218.155.22.0/24218.155.23.0/24