AS7018 12.40.160.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.40.160.0/2412.40.161.0/2412.40.162.0/2412.40.163.0/2412.40.164.0/2412.40.165.0/2412.40.166.0/2412.40.167.0/2412.40.168.0/2412.40.169.0/2412.40.170.0/2412.40.171.0/2412.40.172.0/2412.40.173.0/2412.40.174.0/2412.40.175.0/24