Releases the specified Elastic IP address.
[EC2-Classic, default VPC] Releasing an Elastic IP address
automatically disassociates it from any instance that it's associated
with. To disassociate an Elastic IP address without releasing it, use
disassociate_address
.
[Nondefault VPC] You must use
disassociate_address
to disassociate the
Elastic IP address before you can release it. Otherwise, Amazon EC2
returns an error (InvalidIPAddress.InUse
).
After releasing an Elastic IP address, it is released to the IP address
pool. Be sure to update your DNS records and any servers or devices that
communicate with the address. If you attempt to release an Elastic IP
address that you already released, you'll get an AuthFailure
error if
the address is already allocated to another AWS account.
[EC2-VPC] After you release an Elastic IP address for use in a VPC,
you might be able to recover it. For more information, see
allocate_address
.