AS4766 220.90.64.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192220.90.64.0/24220.90.65.0/24220.90.66.0/24220.90.67.0/24220.90.68.0/24220.90.69.0/24220.90.70.0/24220.90.71.0/24220.90.72.0/24220.90.73.0/24220.90.74.0/24220.90.75.0/24220.90.76.0/24220.90.77.0/24220.90.78.0/24220.90.79.0/24220.90.80.0/24220.90.81.0/24220.90.82.0/24220.90.83.0/24220.90.84.0/24220.90.85.0/24220.90.86.0/24220.90.87.0/24220.90.88.0/24220.90.89.0/24220.90.90.0/24220.90.91.0/24220.90.92.0/24220.90.93.0/24220.90.94.0/24220.90.95.0/24