203.3.178.0/23 ac3, Australian Centre for Advanced Computing and Communications
Announced by AS56307 ac3, Australian Centre for Advanced Computing and Communications. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.3.178.0/23
Prefix
Origin
AS56307 AC3-AS-AP
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 203.3.178.0/23 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 4826 56307
| Origin | AS56307 ac3, Australian Centre for Advanced Computing and Communications |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 3d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4826 56307
| Origin | AS56307 ac3, Australian Centre for Advanced Computing and Communications |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 3d 21h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4826 56307
| Origin | AS56307 ac3, Australian Centre for Advanced Computing and Communications |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 3d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS56307 to originate 203.3.178.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.3.178.0/23 | /24 | AS56307 AC3-AS-AP | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 203.3.178.0/23 | AS56307 AC3-AS-AP | APNIC | Department of Communities and Justice | MAINT-DOCAJ-AU |
| 203.3.128.0/17 covering | AS7545 TPG-INTERNET-AP | RADB | Proxy route object registered by AS2764 | MAINT-AS2764 |
More specific
Prefixes inside 203.3.178.0/23
2 announced prefixes fall inside this one.