AS7018 12.237.112.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.237.112.0/2412.237.113.0/2412.237.114.0/2412.237.115.0/2412.237.116.0/2412.237.117.0/2412.237.118.0/2412.237.119.0/2412.237.120.0/2412.237.121.0/2412.237.122.0/2412.237.123.0/2412.237.124.0/2412.237.125.0/2412.237.126.0/2412.237.127.0/24