Bukkit

RangeBans - Ban IP Ranges;
Version: v1.03

This plugin was mainly made for offline-mode servers, where you cant really deal with dynamic IPs users.

Features:

• Ban IP Ranges, hostnames
  
• Except nicknames from these bans or use them as whitelist
  
• Support for 'wildcards' (ex. 192.168.*.*, 90.120.128-192.*)
  
• Permissions
  

Download RangeBans for 1.2.x!
Source and progress

Installation, Configuration:

All you need is just to simply grab .jar file into /plugins folder.
Additionally, u can set some values via config file (generated automatically):

• broadcast-kicks: (true/false) Broadcast a message to operators player with banned IP range tries to join the server
  
• broadcast-passes: (true/false) Broadcast a message to operators when player passes range ban due to an nickname exception
  
• ban-msg: Message to show to banned player, supports colorizing
  
• use-hostnames-as-whitelist: (true/false) Should plugin use hostname bans as whitelist?
  
  Bans and exceptions are stored in .txt files.

Commands, screenshots:

How to check somebody's IP range?
https://apps.db.ripe.net/search/query.html
For example, for inetnum: 192.168.128.0 - 192.168.192.255,
correct command would be: /rb ban 192.168.128-192.*
or simply /rb ban 192.168.128.0 - 192.168.192.255

Permissions:

• rb.* - full access
  
• rb.reload - reload the plugin
  
• rb.ban - ban and unban both IP Ranges and hostnames
  
• rb.exception - add/remove exceptions
  
• rb.check - check somebody's IP
  
• rb.list - list bans/exceptions
  
• rb.broadcast - receives message when a player is found on bans/exceptions list
  

Version 1.03

• Hostname bans are now optional - no more freezes on playerjoin
  

Version 1.02

• Performance tweaks
  

Version 1.01

• Fixes critical bug with wrong IP parsing
  

Version 1.0

• Permissions!
  
• Feature to ban hostnames (ex. countries, providers - easier)
  
• Added config option to use hostname bans as whitelist (ex. only whitelisted countries can join)
  
• Updated to 1.1-R3, still compatible backwards
  
• General code tweaks