single natting

Hi,
We are using a masqueraded x86 mikrotik as our gateway.
We have been given a subnet of 128 public numbers.
We would like to do single natting to various private numbers.

mmm?.. nat to private numbers?.. O_o

/ip firewall nat
add action=src-nat chain=srcnat comment=“” disabled=no src-address=192.168.80.6 to-addresses=92.65.182.44
add action=src-nat chain=srcnat comment=“” disabled=no src-address=192.168.80.7 to-addresses=92.65.182.45
add action=src-nat chain=srcnat comment=“” disabled=no src-address=192.168.80.8 to-addresses=92.65.182.46
add action=src-nat chain=srcnat comment=“” disabled=no src-address=192.168.80.9 to-addresses=92.65.182.47

then for the traffic that originates from the internet, this is web traffic
add action=dst-nat chain=dstnat comment=“” disabled=no dst-address=92.65.182.44 dst-port=80,443 protocol=tcp to-addresses=192.168.80.6
add action=dst-nat chain=dstnat comment=“” disabled=no dst-address=92.65.182.45 dst-port=80,443 protocol=tcp to-addresses=192.168.80.7
add action=dst-nat chain=dstnat comment=“” disabled=no dst-address=92.65.182.46 dst-port=80,443 protocol=tcp to-addresses=192.168.80.8
add action=dst-nat chain=dstnat comment=“” disabled=no dst-address=92.65.182.47 dst-port=80,443 protocol=tcp to-addresses=192.168.80.9