Hi,
I have 3 IP publis address.
Do I want to share to PC and servers.
I made a drawing.
Thank’ s for helps!
You can use one to one nating.
following sites may help you.
http://wiki.mikrotik.com/wiki/Manual:IP/Firewall/NAT
http://forum.mikrotik.com/t/one-to-one-nat/34199/1