AS7018 74.181.160.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.181.160.0/2474.181.161.0/2474.181.162.0/2474.181.163.0/2474.181.164.0/2474.181.165.0/2474.181.166.0/2474.181.167.0/2474.181.168.0/2474.181.169.0/2474.181.170.0/2474.181.171.0/2474.181.172.0/2474.181.173.0/2474.181.174.0/2474.181.175.0/24