AS7018 68.89.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204868.89.192.0/2468.89.193.0/2468.89.194.0/2468.89.195.0/2468.89.196.0/2468.89.197.0/2468.89.198.0/2468.89.199.0/24