AS7018 12.144.160.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.144.160.0/2412.144.161.0/2412.144.162.0/2412.144.163.0/2412.144.164.0/2412.144.165.0/2412.144.166.0/2412.144.167.0/2412.144.168.0/2412.144.169.0/2412.144.170.0/2412.144.171.0/2412.144.172.0/2412.144.173.0/2412.144.174.0/2412.144.175.0/24