Man pages matching name ownet in section 3:

OWNet.3.en	debian 10 / libownet-perl
ownet.3.en	debian 11 / libownet-dev
OWNet.3.en	debian 11 / libownet-perl
ownet.3.en	debian 12 / libownet-dev
OWNet.3.en	debian 12 / libownet-perl