AS7018 64.171.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204864.171.232.0/2464.171.233.0/2464.171.234.0/2464.171.235.0/2464.171.236.0/2464.171.237.0/2464.171.238.0/2464.171.239.0/24