AS7018 99.136.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409699.136.176.0/2499.136.177.0/2499.136.178.0/2499.136.179.0/2499.136.180.0/2499.136.181.0/2499.136.182.0/2499.136.183.0/2499.136.184.0/2499.136.185.0/2499.136.186.0/2499.136.187.0/2499.136.188.0/2499.136.189.0/2499.136.190.0/2499.136.191.0/24