AS56307
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD — ac3.com.au
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Summary
| Country |
 Australia
|
| Organization | AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD |
| Domain | ac3.com.au |
| Number of IPv4 | 8,704 |
| Number of IPv6 | 1.2089× 1024 |
| AS Type | Hosting |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 57 years ago) |
| Updated | October 06, 2025 (about 6 months ago) |
IP Ranges
AS56307 announces 18 IPv4 ranges and 1 IPv6 range.
That's a total of 8,704 IPv4 addresses and 1.2089× 1024 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.227.20.0/23 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
512 | APNIC | ASSIGNED PORTABLE |
| 103.227.22.0/23 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
512 | APNIC | ASSIGNED PORTABLE |
| 139.5.172.0/22 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 139.5.172.0/24 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 139.5.173.0/24 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| 202.47.84.0/24 |
Nsw Education Standards Authority
|
256 | APNIC | ASSIGNED PORTABLE |
| 202.47.85.0/24 |
Nsw Education Standards Authority
|
256 | APNIC | ASSIGNED PORTABLE |
| 202.52.45.0/24 |
Nsw State Emergency Service
|
256 | APNIC | ASSIGNED PORTABLE |
| 202.59.246.0/24 |
Nsw State Emergency Service
|
256 | APNIC | ASSIGNED PORTABLE |
| 202.129.148.0/22 |
Bulletproof, Mission Critical Cloud
|
1,024 | APNIC | ALLOCATED NON-PORTABLE |
| 202.129.152.0/21 |
Bulletproof, Mission Critical Cloud
|
2,048 | APNIC | ALLOCATED NON-PORTABLE |
| 203.3.178.0/24 |
Department of Communities And Justice (dcj)
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.3.179.0/24 |
Department of Communities And Justice (dcj)
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.3.188.0/24 |
Department of Communities And Justice (dcj)
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.3.189.0/24 |
Department of Communities And Justice (dcj)
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.22.104.0/23 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
512 | APNIC | ASSIGNED PORTABLE |
| 203.166.218.0/24 |
Nsw Education Standards Authority
|
256 | APNIC | ASSIGNED PORTABLE |
| 203.202.0.0/24 |
Singtel Optus Pty LTD
|
256 | APNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:df1:3a00::/48 |
AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
|
1.2089× 1024 | APNIC | ASSIGNED PORTABLE |
Peers
AS56307 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS56307 connects to the global Internet via at least 4 upstream providers. In this setup, AS56307 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS56307 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS56307's role in extending Internet access beyond its own infrastructure.