AS7018 65.71.16.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204865.71.16.0/2465.71.17.0/2465.71.18.0/2465.71.19.0/2465.71.20.0/2465.71.21.0/2465.71.22.0/2465.71.23.0/24