AS7018 12.145.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.145.168.0/2412.145.169.0/2412.145.170.0/2412.145.171.0/2412.145.172.0/2412.145.173.0/2412.145.174.0/2412.145.175.0/24