AS7018 12.171.160.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.171.160.0/2412.171.161.0/2412.171.162.0/2412.171.163.0/2412.171.164.0/2412.171.165.0/2412.171.166.0/2412.171.167.0/2412.171.168.0/2412.171.169.0/2412.171.170.0/2412.171.171.0/2412.171.172.0/2412.171.173.0/2412.171.174.0/2412.171.175.0/2412.171.176.0/2412.171.177.0/2412.171.178.0/2412.171.179.0/2412.171.180.0/2412.171.181.0/2412.171.182.0/2412.171.183.0/2412.171.184.0/2412.171.185.0/2412.171.186.0/2412.171.187.0/2412.171.188.0/2412.171.189.0/2412.171.190.0/2412.171.191.0/24