Elastic IP addresses are static IP addresses designed for dynamic cloud computing. Elastic IP addresses are associated with your account, not specific instances. Any elastic IP addresses that you associate with your account remain associated with your account until you explicitly release them. Unlike traditional static IP addresses, however, elastic IP addresses allow you to mask instance or availability zone failures by rapidly remapping your public IP addresses to any instance in your account.

Allocate a New IP Address

To allocate a new IP address

  1. Click Allocate New Address.
    You are prompted to confirm the new address.
  2. Click Yes, Allocate.
    Amazon EC2 allocates a new address that appears in the list of elastic IP addresses. You can now assign the address to an Amazon EC2 instance or release it back to the IP address pool.

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