Man pages matching name mii-tool in section 8:

mii-tool.8.ja	debian 10 / manpages-ja
mii-tool.8.en	debian 10 / net-tools
mii-tool.8.ja	debian 11 / manpages-ja
mii-tool.8.en	debian 11 / net-tools
mii-tool.8.ja	debian 12 / manpages-ja
mii-tool.8.en	debian 12 / net-tools