AS9318 221.139.240.0/20 CIDR and IP Range Summary.ASN: 9318 - SK Broadband Co LtdHost Count: 4094Addressable IPs: 4096221.139.240.0/24221.139.241.0/24221.139.242.0/24221.139.243.0/24221.139.244.0/24221.139.245.0/24221.139.246.0/24221.139.247.0/24221.139.248.0/24221.139.249.0/24221.139.250.0/24221.139.251.0/24221.139.252.0/24221.139.253.0/24221.139.254.0/24221.139.255.0/24