[Updated 2018-06-11.] You can assign multiple IP addresses to an EC 2 instance. Here is a brief summary that will get you started on using the most recent AWS capabilities.
KVM set to replace the Xen hypervisor in AWS EC2 on the AWS re:Invent 2017 in Las Vegas
During the upcoming AWS re:INVENT 2017 conference in Las Vegas (Nov. 27th – Dec. 1st), Amazon is going to present a major change to its cloud offering, one with enormous ramifications! Yes, you read that right—and yes, that exclamation mark is fully justified.