AS7018 12.53.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.53.176.0/2412.53.177.0/2412.53.178.0/2412.53.179.0/2412.53.180.0/2412.53.181.0/2412.53.182.0/2412.53.183.0/2412.53.184.0/2412.53.185.0/2412.53.186.0/2412.53.187.0/2412.53.188.0/2412.53.189.0/2412.53.190.0/2412.53.191.0/24