From the course: VPC Networking: Designing a Software Defined Data Center on AWS

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Public and private IP addresses

Public and private IP addresses - Amazon Web Services (AWS) Tutorial

From the course: VPC Networking: Designing a Software Defined Data Center on AWS

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Public and private IP addresses

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- [Instructor] There are two types of IP addresses that can be ordered and used at AWS. The first is a public IP version 4 address. Now these are not enabled by default. Amazon would prefer that you only use private IP addresses. When I'm creating the instance I can select the subnet and the subnet attribute and say I would like to have a public IP version 4 address assigned automatically to this instance every time it turns on. So these addresses are assigned from a pool of public IP addresses that is hosted and owned by AWS. So I order the instance, I select the public IP address, I boot the instance, the public IP address is assigned from the pool, I shut down the instance, they take the IP address back. Now you may be thinking, I don't want that to happen. But as you're going to see, we don't really need public IP addresses at all. Now there are some addresses at AWS that you can't use per subnet. The first four IP addresses are reserved, so the zero for the network address, the…

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