IAM uses the following prefixes to indicate what type of resource each unique ID applies to:
| Prefix | Entity Type |
|---|---|
| ABIA | AWS STS service bearer token |
| ACCA | Context-specific credential |
| AGPA | Group |
| AIDA | IAM user |
| AIPA | Amazon EC2 instance profile |
| AKIA | Access key |
| ANPA | Managed policy |
| ANVA | Version in a managed policy |
| APKA | Public key |
| AROA | Role |
| ASCA | Certificate |
| ASIA | Temporary (AWS STS) keys |