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
• aws ec2 create-public-ipv4-pool

Related terms

• Cloudformation: AWS::EC2::EIP
• Elastic Network Interface (ENI)
• Terraform resource: 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.
• Public IP
• gcloud compute instances describe your-instance-name --format='get(networkInterfaces[0].networkIP)'
• gcloud compute addresses list
• Ethereum Improvement Proposals (EIPs)

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
• IP, IPv4, IPv6, subnet, CIDR, netmask, IP address, Public IP, Private IP, AWS Elastic IP (EIP), Geo restriction, Ipstack, IPAM, Static

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

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