AS13611 216.58.176.0/20 CIDR and IP Range Summary.ASN: 13611 - U.S. Center for Disease Control and PreventionHost Count: 4094Addressable IPs: 4096216.58.176.0/24216.58.177.0/24216.58.178.0/24216.58.179.0/24216.58.180.0/24216.58.181.0/24216.58.182.0/24216.58.183.0/24216.58.184.0/24216.58.185.0/24216.58.186.0/24216.58.187.0/24216.58.188.0/24216.58.189.0/24216.58.190.0/24216.58.191.0/24