AS7018 12.181.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.181.192.0/2412.181.193.0/2412.181.194.0/2412.181.195.0/2412.181.196.0/2412.181.197.0/2412.181.198.0/2412.181.199.0/24