AS4766 220.77.0.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096220.77.0.0/24220.77.1.0/24220.77.2.0/24220.77.3.0/24220.77.4.0/24220.77.5.0/24220.77.6.0/24220.77.7.0/24220.77.8.0/24220.77.9.0/24220.77.10.0/24220.77.11.0/24220.77.12.0/24220.77.13.0/24220.77.14.0/24220.77.15.0/24