2004-12-02
Version 1.0 released.
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Ipinfo is a simple tool for calculation of IP networks -
broadcast address, wildacrd address or count of usable IP addresses
in a network, all of it based just on the knowledge of an IP address
and network mask (or prefix length). The program is written in
C programming language primarily on the Linux platform, however
it should be possible to run it on other platforms too.
This software can be distributed and modified freely under the terms of
GPL license.
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Installation is simple, just unpack the downloaded file, enter the newly
created directory, compile and install the program. If compilation
or installation fails, check definition values in Makefile:
$ tar xzf ipinfo-x.y.tar.gz
$ cd ipinfo-x.y
$ make
# make install
You need to have these programs installed before you compile ipinfo:
The program will be installed into directory /usr/local/bin
(you have to have root superuser permission for that probably).
If you want to change this directory, change definition of BINDIR
in Makefile. A manual page containing execution instruction
will be installed too (see MANDIR in Makefile).
The program can be run with a few parameters:
ipinfo [parameters] ip [mask]
List of parameters:
| Parameter |
Function |
| -a, --all |
Display everything (default behavior) |
| -i, --ip |
Display given IP address |
| -d, --decimal |
Display decimal value of given IP address |
| -c, --class |
Display class information |
| -m, --netmask |
Display network mask |
| -p, --prefix |
Display network prefix length |
| -n, --network |
Display network address |
| -w, --wildcard |
Display wildcard address |
| -b, --broadcast |
Display boradcast address |
| -t, --ipcount |
Display count af all IP addresses in network |
| -H, --hostcount |
Display count of host IP addresses in network |
| -I, --hostmin |
Display first usable IP address of a host in network |
| -A, --hostmax |
Display last usable IP address of a host |
| -l, --legend |
Force display legend (usable only if output has 1 line) |
| -h, --help, --usage |
Display help |
Ip address can be specified in one of these formats:
(a.b.c.d is IP address, e.f.g.h is network mask,
pp is prefix length)
- a.b.c.d/pp
- a.b.c.d pp
- a.b.c.d/e.f.g.h
- a.b.c.d e.f.g.h
- a.b.c.d
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