Install Calculator IP VLSM di linux Ubuntu 12.04

Assalamu'alaikum Warahmatullahi Wabarakatuhu :D
Sekarang kita mempelajari bagaimana menghitung IP dengan metode VLSM ?

pertama pastikan anda terkoneksi dengan Jaringan Internet
langsung saja buka terminal pada linux Anda :

( Ctrl + Alt + t )
Ketikkan Perintah

$Sudo apt-get update
$Sudo apt-get install sipcalc

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  sipcalc
0 upgraded, 1 newly installed, 0 to remove and 51 not upgraded.
Need to get 30.6kB of archives.
After this operation, 123kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu/ lucid/universe sipcalc 1.1.4-2 [30.6kB]
Fetched 30.6kB in 2s (15.1kB/s)
Selecting previously deselected package sipcalc.
(Reading database ... 203411 files and directories currently installed.)
Unpacking sipcalc (from .../sipcalc_1.1.4-2_i386.deb) ...
Processing triggers for man-db ...
Processing triggers for doc-base ...
Processing 1 added doc-base file(s)...
Registering documents with scrollkeeper...
Setting up sipcalc (1.1.4-2) ...

kemudian Cek IP nya..
contoh :

$sipcalc 192.168.1.1/24

maka inthe Hasil :D

-[ipv4 : 192.168.1.1/24] - 0

[CIDR]

Host address - 192.168.1.1

Host address (decimal) - 3232235777

Host address (hex) - C0A80101

Network address - 192.168.1.0

Network mask - 255.255.255.0

Network mask (bits) - 24

Network mask (hex) - FFFFFF00

Broadcast address - 192.168.1.255

Cisco wildcard - 0.0.0.255

Addresses in network - 256

Network range - 192.168.1.0 - 192.168.1.255

Usable range - 192.168.1.1 - 192.168.1.254