AS7018 75.1.16.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204875.1.16.0/2475.1.17.0/2475.1.18.0/2475.1.19.0/2475.1.20.0/2475.1.21.0/2475.1.22.0/2475.1.23.0/24