Linux上好用的IP計算工具-sipcalc

sipcalc這個工具真是計算IP位置的好工具！尤其是在Linux console mode就可以使用囉！

當然啦！在OpenSUSE 11.3上只要透過zypper就可以安裝成功了。

Steps:

1. linux-8zbb:~ # zypper in sipcalc

Retrieving repository 'OpenSUSE 11.3 update' metadata [done]

Building repository 'OpenSUSE 11.3 update' cache [done]

Loading repository data...

Reading installed packages...

Resolving package dependencies...

The following NEW package is going to be installed:

sipcalc

1 new package to install.

Overall download size: 29.0 KiB. After the operation, additional 58.0 KiB will be used.

Continue? [y/n/?] (y): y

Retrieving package sipcalc-1.1.5-0.pm.2.1.x86_64 (1/1), 29.0 KiB (58.0 KiB unpacked)

Retrieving: sipcalc-1.1.5-0.pm.2.1.x86_64.rpm [done (15.7 KiB/s)]

Installing: sipcalc-1.1.5-0.pm.2.1 [done]

Additional rpm output:

warning: /var/cache/zypp/packages/Packman_opensuse_11.3/x86_64/sipcalc-1.1.5-0.pm.2.1.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 9a795806: NOKEY

2. linux-8zbb:~ # sipcalc 10.10.10.1/23 <- 指定某個IP subnet

-[ipv4 : 10.10.10.1/23] - 0

[CIDR]

Host address - 10.10.10.1

Host address (decimal) - 168430081

Host address (hex) - A0A0A01

Network address - 10.10.10.0

Network mask - 255.255.254.0

Network mask (bits) - 23

Network mask (hex) - FFFFFE00

Broadcast address - 10.10.11.255

Cisco wildcard - 0.0.1.255

Addresses in network - 512

Network range - 10.10.10.0 - 10.10.11.255

Usable range - 10.10.10.1 - 10.10.11.254

linux-8zbb:~ # sipcalc eth0 <- 針對目前的interface

-[int-ipv4 : eth0] - 0

[CIDR]

Host address - 10.10.10.253

Host address (decimal) - 168430333

Host address (hex) - A0A0AFD

Network address - 10.10.10.0

Network mask - 255.255.255.0

Network mask (bits) - 24

Network mask (hex) - FFFFFF00

Broadcast address - 10.10.10.255

Cisco wildcard - 0.0.0.255

Addresses in network - 256

Network range - 10.10.10.0 - 10.10.10.255

Usable range - 10.10.10.1 - 10.10.10.254

沒錯它就是這麼簡單好用，更多的功能請自行研究吧。