Advanced network calculator and address planning helper
Project description
Advanced network calculator and address planning helper.
NetCalc is a tool made by network admins, for network admins. It supports adding (aggregating) networks, subtracting a network from a larger network, doing addition and subtraction of multiple networks at once, and more functionality is to come in future releases.
NetCalc supports both IPv4 and IPv6, and works very efficiently even with very large networks. It uses the excellent netaddr library for the core address manipulation.
This program requires either Python 3 (recommended) or Python 2.
Usage
Using NetCalc is quite simple. There are three main commands:
- add
Add networks, aggregating as much as possible.
$ netcalc add 198.18.0.0/24 198.18.1.0/24 10.1/16 10/16 10.0.0.0/15 198.18.0.0/23
- sub
Subtract a network from another, splitting as necessary.
$ netcalc sub 192.0.2.0/24 192.0.2.0/28 192.0.2.16/28 192.0.2.32/27 192.0.2.64/26 192.0.2.128/25
- expr
Add and subtract networks using an arbitrarily long mathematical expression.
$ netcalc expr 2001:db8::/34 - 2001:db8::/38 + 2001:db8:100::/41 2001:db8:100::/41 2001:db8:400::/38 2001:db8:800::/37 2001:db8:1000::/36 2001:db8:2000::/35
Future plans
Future plans for NetCalc include, in no particular order:
new command for static information (netmask/bitmask, IP range)
new command for WHOIS queries
new command for splitting a network into smaller networks by prefix length
ability to specify network arguments through a file
???
Suggestions are quite welcome :)
Contact
NetCalc is developed by Israel G. Lugo <israel.lugo@lugosys.com>. Main repository for cloning, submitting issues and/or forking is at https://github.com/israel-lugo/netcalc
License
Copyright (C) 2016 Israel G. Lugo <israel.lugo@lugosys.com>
NetCalc is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
NetCalc is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with NetCalc. If not, see <http://www.gnu.org/licenses/>.
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Source Distribution
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