number - number assigned to the item in the list
flag - shows the status of the item
address - local IP address, can be in the form address/mask, where mask is number of bits in the subnet mask.
netmask - network mask to be used with the network prefix. Must be in the decimal form xxx.xxx.xxx.xxx
network - (optional) network prefix to be used with the address. It shows what network can be reached through the interface with the given IP address. If not specified, will be calculated from local address and network mask. For point-to-point links should be the address of the remote end.
broadcast - (optional) broadcast address to be used with the address. If not specified, will be calculated from local address and network mask.
interface - name of the interface the address will be used with