Quality Web Site and Ecommerce Hosting site map
  Subnet Calculator
 IP Address
 Subnet Mask
 Network Address
 Broadcast
 
  IP Ranges Reserved for Internal Use (Private Networks) :
  Starting IP Address Ending IP Address Subnet Mask
Class A 10.0.0.0 10.255.255.255 255.0.0.0
Class B 172.16.0.0 172.31.255.255 255.255.0.0
Class C 192.168.0.0 192.168.255.255 255.255.255.0