AS7018 12.205.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.205.168.0/2412.205.169.0/2412.205.170.0/2412.205.171.0/2412.205.172.0/2412.205.173.0/2412.205.174.0/2412.205.175.0/24