Manual:$wgBadRanges

This feature was removed completely in version 1.2.0.

Language, regional and character encoding settings: $wgBadRanges
An array of arrays of IP addresses that each value in $wgBadUserAgents apply to.
Introduced in version:	Before 1.1.0
Removed in version:	1.2.0 (r2473)
Allowed values:	Unspecified
Default value:	`false`
Other settings: Alphabetical \| By function

Details

User agent/range blocking. Blocks all users using a particular user agent, possibly restricted to a set of IP ranges.

This setting holds an array of arrays of IP addresses that each value in $wgBadUserAgents apply to.

e.g. array( array( '1.2.3.0', '1.2.3.255' ) )