This plugin allows you whitelist IP addresses so Limit Login Attempt plugin doesn't block them.
Features
* Add one or more IP addresses which won't be blocked by Limit Login Attempt plugin
* You can also enter just the beginning of the IP e.g. 192.168. and all IP addresses starting with those numbers will be whitelisted
* You can insert little notes above or after an IP address but it has to be prefixed by a pound sign e.g. # home ip
* The plugin checks for duplicate ips and remove them from the list (if any)
* Easy to use interface
Demo
Download
http://downloads.wordpress.org/plugin/whitelist-ip-for-limit-login-attempts.zip