AS7018 75.37.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204875.37.216.0/2475.37.217.0/2475.37.218.0/2475.37.219.0/2475.37.220.0/2475.37.221.0/2475.37.222.0/2475.37.223.0/24