This is the IP Tool, you enter an IP address and a subnet mask and wallah you will be
provided with the IP Subnet Information like IP Subnet Address, Broadcast Address,
Mask Bits for classless routing, Wildcard mask for access lists and OSPF routing
configuration.
If you want to bigger subnet masking you can put a second mask in which will then
produce a second table and a list of the subnets from the first mask which fit into
the second mask. This is handy when you are doing VLSM work, and handy for subnet
breakpoints.
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