Tunnel Public IP addresses via VPN

I have the following situation
Server 1:
Main IP: 193.70.76.36
3 additional IPs: 193.70.76.37, 193.70.76.38, 193.70.76.39
Server 2:
1 Main IP

I want to setup a tunnel to allow server to to use wan of the 3 additional IPs.

Thank you in advance