AS7018 66.138.160.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819266.138.160.0/2466.138.161.0/2466.138.162.0/2466.138.163.0/2466.138.164.0/2466.138.165.0/2466.138.166.0/2466.138.167.0/2466.138.168.0/2466.138.169.0/2466.138.170.0/2466.138.171.0/2466.138.172.0/2466.138.173.0/2466.138.174.0/2466.138.175.0/2466.138.176.0/2466.138.177.0/2466.138.178.0/2466.138.179.0/2466.138.180.0/2466.138.181.0/2466.138.182.0/2466.138.183.0/2466.138.184.0/2466.138.185.0/2466.138.186.0/2466.138.187.0/2466.138.188.0/2466.138.189.0/2466.138.190.0/2466.138.191.0/24