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AWS Limits
AWS Limits
Table of Contents
Disclaimer: We make a best effort to remain current with specific cloud resource limits, but please consider information from the Cloud Provider to be definitive if there is ever a discrepancy.
Soft Limits
| Resource | Default Limit | Change Request |
| EC2 Instance | 20 per region | EC2 Instance Limit Increase Request |
| Elastic Block Storage (EBS) | Per account:
| EBS Volume Limit Increase Request |
| Elastic IP (EIP) | 5 per region | Elastic IP Limit Increase Request |
| Elastic Load Balancer (ELB) | 10 | Elastic Load Balancer Limit Increase Request |
| Cluster Compute Instance (CCI) | 8 | Cluster Compute Instance Limit Increase Request |
| High I/O Instance | 2 | High I/O Instance Limit Increase Request |
| Virtual Private Cloud (VPC) | 5 | Virtual Private Cloud Limit Increase Request |
| Email sent from AWS accounts | Request to Remove Email Sending Limitations |
Hard Limits
| Resource | Limit |
| Security Groups | EC2-Classic - Maximum 500 Security Groups with up to 100 rules/permissions each EC2-VPC - Max 100 Security Groups per VPC. |
Network Interfaces (ENI) and Private IP Addresses
Amazon also imposes limits on the maximum number of Elastic Network Interfaces (ENI) per instance type, and the maximum number of private IP addresses per ENI. ENIs and multiple private IP addresses are only available for instances running in a Virtual Private Cloud.
Please see the AWS article Elastic Network Interfaces (ENI) for additional information.
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