AS4766 220.116.16.0/21 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 2046Addressable IPs: 2048220.116.16.0/24220.116.17.0/24220.116.18.0/24220.116.19.0/24220.116.20.0/24220.116.21.0/24220.116.22.0/24220.116.23.0/24