AS33070 72.232.16.0/21 CIDR and IP Range Summary.ASN: 33070 - Rackspace HostingHost Count: 2046Addressable IPs: 204872.232.16.0/2472.232.17.0/2472.232.18.0/2472.232.19.0/2472.232.20.0/2472.232.21.0/2472.232.22.0/2472.232.23.0/24