Question
Why are my secondary IPs not resolving to my AWS/EC2 server?
Answer
If an IP address is not resolving to your server you should check with your Network Administrator or Service Provider for assistance with the networking issue.
For the AWS and EC2 server, you may find the following knowledge article from Amazon to be a good place to start.
https://aws.amazon.com/premiumsupport/knowledge-center/ec2-instance-connect-with-secondary-ip/