Data as of Nov 3, 2026
Autonomous system
AS56307
ac3, Australian Centre for Advanced Computing and Communications
Announces 7,680 addresses in 20 prefixes. None of it is anonymizer space.
Type
Hosting
AU
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 103.227.20.0/23 since May 2014 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 103.227.22.0/23 since Dec 2014 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 139.5.172.0/23 since Feb 2024 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 139.5.172.0/24 since Oct 2016 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 139.5.173.0/24 since Jul 2020 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 202.47.84.0/24 since Oct 2020 | Hosting | NSW Education Standards Authority | |
| 202.47.85.0/24 since Oct 2020 | Hosting | NSW Education Standards Authority | |
| 202.52.45.0/24 since Jul 2017 | Hosting | NSW State Emergency Service | |
| 202.59.246.0/24 since Jul 2017 | Hosting | NSW State Emergency Service | |
| 202.129.148.0/22 since Jun 2025 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd via Bulletproof, Mission Critical Cloud | |
| 202.129.152.0/21 since Jun 2025 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd via Bulletproof, Mission Critical Cloud | |
| 203.3.178.0/23 since Jan 2015 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.3.178.0/24 since Mar 2024 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.3.179.0/24 since Mar 2024 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.3.188.0/23 since Apr 2015 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.3.188.0/24 since Mar 2024 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.3.189.0/24 since Mar 2024 | Hosting | Department of Communities and Justice (DCJ) | |
| 203.22.104.0/23 since Dec 2022 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 203.166.218.0/24 since Oct 2020 | Hosting | NSW Education Standards Authority | |
| 203.202.0.0/24 since Aug 2012 | Hosting | SingTel Optus Pty Ltd |
Network & history
Profile
- Registered
- Jun 17, 2011
- Domain
- ac3.com.au
- Website
- www.ac3.com.au
- Industry
- Computer and Information Technology
Routing patterns
How its announcements have moved
Arrivals