AS7018 75.42.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204875.42.192.0/2475.42.193.0/2475.42.194.0/2475.42.195.0/2475.42.196.0/2475.42.197.0/2475.42.198.0/2475.42.199.0/24