Man pages matching name revnetgroup in section 8:

revnetgroup.8.ja	debian 10 / manpages-ja
revnetgroup.8.en	debian 10 / nis
revnetgroup.8.ja	debian 11 / manpages-ja
revnetgroup.8.en	debian 11 / ypserv
revnetgroup.8.ja	debian 12 / manpages-ja
revnetgroup.8.en	debian 12 / ypserv