This one resolves the real ip from a nick joining the channel where u on with a webchat.xs4all.nl client (ircnet), if there is someone on the channel that uses the webchat the script checks who is the person and publish it (if you want).

alias wch { 
  if ($1 == on) && (!$istok(%wch,$chan,32)) { 
    set %wch %wch $chan 
    echo $color(info) -ta * Hexresolver set ON for $chan 
  } 
  elseif ($1 == off) && ($istok(%wch,$chan,32)) { 
    set %wch $remtok(%wch,$chan,1,32) 
    echo $color(info) -ta * Hexresolver set OFF for $chan 
  } 
} 
alias htd {
  var %r = return
  if $1 = 0 %r 0 | if $1 = 1 %r 1 | if $1 = 2 %r 2 | if $1 = 3 %r 3
  if $1 = 4 %r 4 | if $1 = 5 %r 5 | if $1 = 6 %r 6 | if $1 = 7 %r 7
  if $1 = 8 %r 8 | if $1 = 9 %r 9 | if $1 = a %r 10 | if $1 = b %r 11
  if $1 = c %r 12 | if $1 = d %r 13 | if $1 = e %r 14 | if $1 = f %r 15
}
alias hxp {
  var %j $len($1) | var %k 0
  var %l %j | var %m 0
  :hc
  dec %l 1 | inc %m 1
  %k = $calc(%k + $htd($mid($1, %m , 1)) * (16 ^ %l))
  if %l = 0 goto hf
  goto hc
  :hf | return $longip(%k)
}
alias rdns {
  var %f = *!*@ $+ $read(dns.txt,$lines(dns.txt)),$&
    %g = $ial(%f,0), %e  
  while (%g) { 
    var %e = %e $ial(%f,%g) 
    dec %g 
    echo -a $1 matching : %e
    msg $1 matching : %e
  }
}
on *:join:#: {
  if (*webchat* iswm $address) && ($istok(%wch,$chan,32)) { 
    .whois $nick 
    .timer1 1 1 echo -a $nick = $!read(dns.txt,$lines(dns.txt))
    .timer2 1 2 rdns #
  }
}
on *:DNS: { .write dns.txt $raddress } 

raw 311:*: if ($4 = webchat.xs4all.nl) { .dns $hxp($remove($3 , ~, -, +, ^, _, = )) }  
raw 314:*: if ($4 = webchat.xs4all.nl) { .dns $hxp($remove($3 , ~, -, +, ^, _, = )) } 
raw 352:*: if ($4 = webchat.xs4all.nl) { .dns $hxp($remove($3 , ~, -, +, ^, _, = )) }  

menu channel {
  HexResolver
  .$iif($istok(%wch,$chan,32),$style(1)) HexResolver #:$iif($istok(%wch,$chan,32),wch off,wch on)
  -
}

menu nicklist {
  webchat 
  .$iif(*webchat* iswm $address($1,5),resolve ip): { 
    .whois $1 
    .timer1 1 1 echo -a $1 = $!read(dns.txt,$lines(dns.txt)) 
    .timer2 1 2 rdns 
  }
}