It should be in a form that fits with [[MediaWiki:Othercontribs/{{SUBPAGENAME}}|othercontribs]].
* $1 is a list of IP addresses
-* $2 is the number of user names in $1
+* $2 is the number of IP addresses in $1
If there is more than one user in the list then the message {{msg-mw|and}} appears before the last name. If $2 is NIL then this message does not appear at all.