AS7018 12.255.64.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.255.64.0/2412.255.65.0/2412.255.66.0/2412.255.67.0/2412.255.68.0/2412.255.69.0/2412.255.70.0/2412.255.71.0/2412.255.72.0/2412.255.73.0/2412.255.74.0/2412.255.75.0/2412.255.76.0/2412.255.77.0/2412.255.78.0/2412.255.79.0/24