AS7018 206.16.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096206.16.128.0/24206.16.129.0/24206.16.130.0/24206.16.131.0/24206.16.132.0/24206.16.133.0/24206.16.134.0/24206.16.135.0/24206.16.136.0/24206.16.137.0/24206.16.138.0/24206.16.139.0/24206.16.140.0/24206.16.141.0/24206.16.142.0/24206.16.143.0/24