| Rank | Abbreviation | Meaning |
|---|
| ***** | AREN | Army Radio Engineering Network
| |
| ***** | AREN | Australia's Research and Education Network
| |
| ***** | AREN | Advanced Research and Education Network
| |
| **** | AREN | Alabama Research Education Network
| |
| **** | AREN | Arab Region Ecotechnie Network
| |
| **** | AREN | Association pour la Redynamisation de l'Elevage au Niger
| |
| **** | AREN | Arizona Real Estate Network
| |
| *** | AREN | Austin Real Estate Network
| |
| *** | AREN | Additional Requirements for Emergent Needs
| |
| *** | AREN | Australian Research and Education Network
| |
| *** | AREN | Amateur Radio Emergency Network
| |
| *** | AREN | Arizona Real Estate Netwoek
| |
| *** | AREN | Action for Rural Empowerment Network
| |
| ** | AREN | Asian Renewable Energy Network
| |
| * | AREN | Asset Recovery Experts Network
| |
| * | AREN | Alternative Religions Educational Network
| |
| * | AREN | Alternative Religions Education Network
| |