This is the revision history for gethostbyaddr in <freenode.net:#perlbot>

factoid_idsubjectcopulapredicateauthornamespace
4280 gethostbyaddr is perl -wle 'use Socket; $host="140.211.166.4"; $name = gethostbyaddr(inet_aton($host), AF_INET); print $name' perlbot <*:##NULL>