AS10912 216.52.232.0/21 CIDR and IP Range Summary.ASN: 10912 - INTERNAP-BLKHost Count: 2046Addressable IPs: 2048216.52.232.0/24216.52.233.0/24216.52.234.0/24216.52.235.0/24216.52.236.0/24216.52.237.0/24216.52.238.0/24216.52.239.0/24