/CHECK <channel|nick|server|hostmask> [-flags] 

Where valid flags are:
 -c: Show channels when checking a hostmask.
 -i: Show IPs instead of hostnames when displaying results.
 -o: Only show channel operators when checking a channel.
 -u: Hide users when checking a channel.

<hostmask> can be of the form host, user@host, nick!user@host,
with host being host.domain.cc, 127.0.0.1 or 127.0.0.0/24.
Wildcards are supported.

CHECK Returns extended information about the given nick/server/channel.

See Also: WHOIS
