Why do I see the public (floating) IP of other instances for 'last logged in from', but I see the router gateway IP when I access an instance from any other IP?

edit

• security
• groups
• router
• gateway
• masking

asked 2015-09-09 08:52:31 -0600

Zz
11 ●1 ●1 ●4

This is preventing me from adding security groups rules restricting IPs other than those on the subnet.