https://openwrt.org/toh/hwdata/aerohive/aerohive_br200-wp
This has PoE out but is not very common and the specs may not be good enough depending on what ISP network speed you have.
I currently have a Watchguard T70 as my main router which has 2 PoE ports but they are part of a dumb switch and require desoldering of a resistor on the board.
https://forum.openwrt.org/t/watchguard-t70-hw-discovery/155544