AWS Elastic IP (EIP)

• https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html

Elastic IPs are totally free, as long as they are being used by an instance, by default, all AWS accounts are limited to five (5) Elastic IP addresses per Region.

• aws ec2 describe-instances: PublicIpAddress
• aws ec2 describe-addresses

Related terms

• Cloudformation: AWS::EC2::EIP
• Elastic Network Interface (ENI)
• Terraform: aws_eip
• To change the instance type, the instance must be in the stopped state. , Public IP will change.
• You can't convert an auto-assigned public IP address to an Elastic IP address.
• aws ec2 create-public-ipv4-pool

See also

• EIP, ENI, PublicIp, aws ec2 describe-addresses | aws ec2 associate-address | aws ec2 allocate-address, AddressLimitExceeded, MapPublicIpOnLaunch:, aws_eip
• AWS networking: AWS CloudFront, ELB, ALB, Amazon Virtual Private Cloud (VPC), Amazon Route 53, AWS PrivateLink, EIP, AWS VPN, AWS Global Accelerator, AWS Transit Gateway, AWS Network Firewall, AWS Network Load Balancer, AWS Certified Advanced Networking - Specialty, AWS Direct Connect

https://aws.amazon.com/ec2/instance-types/

https://aws.amazon.com/premiumsupport/knowledge-center/ec2-associate-static-public-ip/