AS10049 203.242.120.0/21 CIDR and IP Range Summary.ASN: 10049 - SK C&C Co. Ltd.Host Count: 2046Addressable IPs: 2048203.242.120.0/24203.242.121.0/24203.242.122.0/24203.242.123.0/24203.242.124.0/24203.242.125.0/24203.242.126.0/24203.242.127.0/24