BRIDGE TO ROUTING MIGRATION NEED HELP

I m using Bridge network and now i want to migrate to routed network.
Our server has a ip range of 203.xx.xx35 to 203.xx.xx.94 with bridge network our clients uses 203.xx.xx.38, 39, 40, 47 till 203.xx.xx.94 to connect to internet.
Now i want Client 10.10.1.10 can access 203.xx.xx.65, client 10.10.1.12 can aceess 203.xx.xx.67, Client 10.10.1.15 can access 203.xx.xx.78.
How can i do this via routing?

How are all the devices connected with each other? Please give us network diagram.

I M ALSO FACING TROUBLE IN BRIDGE NETWORK

Here is our network diagrame…it is bridge setup and i want to migrate to routing.

PC2, PC1, PC0 are able to connect to internet…this bridged setup is eating alot of bandwidth…that why i want to migrate.

PC2 Wan Ip should be diffrent …May be it was mistaken in the diagram