AS7018 12.237.160.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.237.160.0/2412.237.161.0/2412.237.162.0/2412.237.163.0/2412.237.164.0/2412.237.165.0/2412.237.166.0/2412.237.167.0/2412.237.168.0/2412.237.169.0/2412.237.170.0/2412.237.171.0/2412.237.172.0/2412.237.173.0/2412.237.174.0/2412.237.175.0/24