STATS <letter> [server|nick]

Queries server [server] (or your own server if no
server parameter is given) for info corresponding to
<letter>.

LETTER
------ (^ = Can be configured to be oper only.)
^ c - Shows connect blocks
^ h - Shows hub_mask/leaf_mask (Old H:/L: lines)
^ i - Shows auth blocks (or matched auth block)
^ K - Shows K lines (or matched klines)
^ k - Shows temporary K lines (or matched klines)
  L - Shows IP and generic info about [nick]
  l - Shows hostname and generic info about [nick]
  m - Shows commands and their usage
  n - Shows DNS blacklists
^ o - Shows operator blocks (Old O: lines)
^ P - Shows configured ports
  p - Shows online opers
  u - Shows server uptime
^ v - Shows connected servers and brief status information
^ y - Shows connection classes (Old Y: lines)
^ ? - Shows connected servers and sendq info about them