Last modified: 2010-02-15 10:10:47 UTC
Espionage should display the usage pattern from a certain IP, like when the user
first edited from that IP, when he last edited, what % of hir edits come from it
This functionality exists in the CheckUser extension, which is the successor of Espionage; see [[mw:Extension:CheckUser]].
The interwiki link doesn't work; see http://www.mediawiki.org/wiki/Extension:CheckUser .