AS27357 172.99.64.0/19 CIDR and IP Range Summary.ASN: 27357 - Rackspace HostingHost Count: 8190Addressable IPs: 8192172.99.64.0/24172.99.65.0/24172.99.66.0/24172.99.67.0/24172.99.68.0/24172.99.69.0/24172.99.70.0/24172.99.71.0/24172.99.72.0/24172.99.73.0/24172.99.74.0/24172.99.75.0/24172.99.76.0/24172.99.77.0/24172.99.78.0/24172.99.79.0/24172.99.80.0/24172.99.81.0/24172.99.82.0/24172.99.83.0/24172.99.84.0/24172.99.85.0/24172.99.86.0/24172.99.87.0/24172.99.88.0/24172.99.89.0/24172.99.90.0/24172.99.91.0/24172.99.92.0/24172.99.93.0/24172.99.94.0/24172.99.95.0/24