AS7018 64.173.200.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204864.173.200.0/2464.173.201.0/2464.173.202.0/2464.173.203.0/2464.173.204.0/2464.173.205.0/2464.173.206.0/2464.173.207.0/24