AS4766 220.71.80.0/20 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 4094Addressable IPs: 4096220.71.80.0/24220.71.81.0/24220.71.82.0/24220.71.83.0/24220.71.84.0/24220.71.85.0/24220.71.86.0/24220.71.87.0/24220.71.88.0/24220.71.89.0/24220.71.90.0/24220.71.91.0/24220.71.92.0/24220.71.93.0/24220.71.94.0/24220.71.95.0/24