AS17224 12.255.160.0/21 CIDR and IP Range Summary.ASN: 17224 - AT&T Enhanced Network ServicesHost Count: 2046Addressable IPs: 204812.255.160.0/2412.255.161.0/2412.255.162.0/2412.255.163.0/2412.255.164.0/2412.255.165.0/2412.255.166.0/2412.255.167.0/24