• The public IP

    • Elastic IP (EIP) can repeatedly unbind different instances, restart EC2 instances, IP unchanged
    • Classic IP cannot repeatedly unbind an instance. When you restart the bound EC2 instance, the IP address changes
  • Private IP (Local IP)

    • The private IP address is the IP address within the IPv4 CIDR range of the VPC
    • The default automatic assignment can also be customized

AWS has a private IP address for each service instance;

If it is a managed service we cannot see the IP in the console, we can see the IP information in the network interface of the EC2 control panel

The following figure

Reference data