AS4766 121.133.64.0/19 CIDR and IP Range Summary.ASN: 4766 - Korea TelecomHost Count: 8190Addressable IPs: 8192121.133.64.0/24121.133.65.0/24121.133.66.0/24121.133.67.0/24121.133.68.0/24121.133.69.0/24121.133.70.0/24121.133.71.0/24121.133.72.0/24121.133.73.0/24121.133.74.0/24121.133.75.0/24121.133.76.0/24121.133.77.0/24121.133.78.0/24121.133.79.0/24121.133.80.0/24121.133.81.0/24121.133.82.0/24121.133.83.0/24121.133.84.0/24121.133.85.0/24121.133.86.0/24121.133.87.0/24121.133.88.0/24121.133.89.0/24121.133.90.0/24121.133.91.0/24121.133.92.0/24121.133.93.0/24121.133.94.0/24121.133.95.0/24