Man pages matching name text::dhcpleases in section 3pm:

Text::DHCPLeases.3pm.en	debian 10 / libtext-dhcpleases-perl
Text::DHCPLeases.3pm.en	debian 11 / libtext-dhcpleases-perl
Text::DHCPLeases.3pm.en	debian 12 / libtext-dhcpleases-perl