AS7018 68.16.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204868.16.192.0/2468.16.193.0/2468.16.194.0/2468.16.195.0/2468.16.196.0/2468.16.197.0/2468.16.198.0/2468.16.199.0/24