AS7018 206.17.0.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096206.17.0.0/24206.17.1.0/24206.17.2.0/24206.17.3.0/24206.17.4.0/24206.17.5.0/24206.17.6.0/24206.17.7.0/24206.17.8.0/24206.17.9.0/24206.17.10.0/24206.17.11.0/24206.17.12.0/24206.17.13.0/24206.17.14.0/24206.17.15.0/24