AS7018 12.157.64.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.157.64.0/2412.157.65.0/2412.157.66.0/2412.157.67.0/2412.157.68.0/2412.157.69.0/2412.157.70.0/2412.157.71.0/24