'user' => null, // for each logged-in user
'newbie' => null, // for each recent (autoconfirmed) account; overrides 'user'
'ip' => null, // for each anon and recent account
- 'subnet' => null, // ... with final octet removed
+ 'subnet' => null, // ... within a /24 subnet in IPv4 or /64 in IPv6
),
'move' => array(
'user' => null,