How to tell subnets which external ip they should use?

Question

Computer networks

There is 2011UiAS-2HnD.
The Internet and two external IPv4s come to the ether1-gateway: one is assigned by dhcp, the second is statically registered, both are on the same subnet (/29) and have a common gateway.
On the 192.168.0.0/22 ​​network, clients receive addresses with dhcp.
How to make the subnet 192.168.0.0/24 - use the 1st ip to access the Internet, 192.168.1.0/24 - the 2nd?

Answer 1

register the nat of the desired networks from the desired address