AS7018 206.17.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096206.17.176.0/24206.17.177.0/24206.17.178.0/24206.17.179.0/24206.17.180.0/24206.17.181.0/24206.17.182.0/24206.17.183.0/24206.17.184.0/24206.17.185.0/24206.17.186.0/24206.17.187.0/24206.17.188.0/24206.17.189.0/24206.17.190.0/24206.17.191.0/24