Man pages matching name innstat in section 8:

innstat.8.en	debian 10 / inn
innstat.8.en	debian 10 / inn2
innstat.8.en	debian 11 / inn
innstat.8.en	debian 11 / inn2
innstat.8.en	debian 12 / inn
innstat.8.en	debian 12 / inn2
innstat.8.en	debian 13 / inn
innstat.8.en	debian 13 / inn2