AS7018 68.73.64.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204868.73.64.0/2468.73.65.0/2468.73.66.0/2468.73.67.0/2468.73.68.0/2468.73.69.0/2468.73.70.0/2468.73.71.0/24