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IPMASK(8)							     IPMASK(8)

NAME
       ipmask - determine network and broadcast addresses given a decimal net‐
       mask and IP address.

SYNOPSIS
       ipmask <decimal netmask> <decimal IP address> packagename

DESCRIPTION
       ipmask is a simple program to calculate broadcast and network addresses
       from  a	decimal	 netmask  and a decimal IP address.  It is used in the
       Slackware networking script /etc/rc.d/rc.inet1, and  in	the  netconfig
       script.

OPTIONS
       <decimal netmask>
	      A decimal netmask, such as:  255.255.255.0

       <decimal IP address>
	      A decimal IP address, such as:  192.168.168.168

EXAMPLE
       Using the above sample netmask and IP address, here's an example:

       $ ipmask 255.255.255.0 192.168.168.168

       192.168.168.255 192.168.168.0

       The program returns first the corresponding broadcast address, and then
       the network address.

AUTHOR
       Copyright 1994 by David Niemi.  Written in about 30 minutes on 13  Aug.
       The  author places no restrictions on the use of this program, provided
       that this copyright is preserved in any derived source code.

Slackware Version 12.0.0	 29 April 2007			     IPMASK(8)

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