AS9318 219.255.128.0/21 CIDR and IP Range Summary.ASN: 9318 - SK Broadband Co LtdHost Count: 2046Addressable IPs: 2048219.255.128.0/24219.255.129.0/24219.255.130.0/24219.255.131.0/24219.255.132.0/24219.255.133.0/24219.255.134.0/24219.255.135.0/24