IPV4CALC(1) User Contributed Perl Documentation IPV4CALC(1)NAME
ipv4calc - Calculates IPv4 elements from an address.
SYNOPSIS
ipv4calc [ --network | --broadcast | --netmask |
--address | --cidr ] addr
DESCRIPTION
If an option is specified ipv4calc calculates the requested element from the address and prints it on stdout.
If multiple options are specified, only the first one is printed.
If no options are specified, the program prints the host part of the address, the network and the broadcast address as deduced from the
given address.
If address doesn't contains a netmask or mask length, the default one is assumed.
AUTHOR
Francis J. Lacoste <francis.lacoste@iNsu.COM>
COPYRIGHT
Copyright (c) 1999,2000 iNsu Innovations Inc. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the terms as perl itself.
SEE ALSO Network::IPv4Addr(3).
perl v5.12.1 2000-08-01 IPV4CALC(1)
Check Out this Related Man Page
IPCALC(1) General Commands Manual IPCALC(1)NAME
ipcalc - perform simple manipulation of IP addresses
SYNOPSIS
ipcalc [OPTION]... <IP address>[/prefix] [netmask]
DESCRIPTION
ipcalc provides a simple way to calculate IP information for a host. The various options specify what information ipcalc should display on
standard out. Multiple options may be specified. An IP address to operate on must always be specified. Most operations also require a
netmask or a CIDR prefix as well.
OPTIONS -c, --check
Validate the IP address under the specified family. If no address family is specified, IPv4 is assumed.
-4, --ipv4
Specify IPv4 address family (default).
-6, --ipv6
Specify IPv6 address family.
-b, --broadcast
Display the broadcast address for the given IP address and netmask.
-h, --hostname
Display the hostname for the given IP address.
-m, --netmask
Calculate the netmask for the given IP address. It assumes that the IP address is in a complete class A, B, or C network. Many net-
works do not use the default netmasks, in which case an inappropriate value will be returned.
-p, --prefix
Show the prefix for the given mask/IP address.
-n, --network
Display the network address for the given IP address and netmask.
-s, --silent
Don't ever display error messages.
AUTHORS
Erik Troan <ewt@redhat.com>
Preston Brown <pbrown@redhat.com>
IPv6 supported wedged in by David Cantrell <dcantrell@redhat.com>
REPORTING BUGS
Report bugs at http://bugzilla.redhat.com/
COPYRIGHT
Copyright (C) 1997-2008 Red Hat, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
Red Hat, Inc. April 30 2001 IPCALC(1)
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