centos – Make static route with different ip adresses

I have the problem that server
***.**.136.60
cant accessed by
***.***.137.154.

The stars are the same numbers.

My hoster said i need to make a static route.

I tried the following:
i added in route-eth0 this:

***.**.136.60/24 via ***.**.137.1 dev eth0

But it isnt working.
What i’m doing wrong?

Thanks in advance.
Marv