203.4.164.0/22 Peter MacCallum Cancer Institute
Announced by AS149872 Peter MacCallum Cancer Institute. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.4.164.0/22
Prefix
Origin
AS149872 PMCI-AS-AP
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
4
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 203.4.164.0/22 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 13760 3356 7575 149872
| Origin | AS149872 Peter MacCallum Cancer Institute |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:500 3356:901 3356:2064 7575:1000 7575:2432 7575:3003 36601:150 36601:2001 36601:13760 |
| Updated | 4d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7575 149872
| Origin | AS149872 Peter MacCallum Cancer Institute |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7575 149872
| Origin | AS149872 Peter MacCallum Cancer Institute |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS149872 to originate 203.4.164.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.4.164.0/22 | /22 | AS149872 PMCI-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 |
|---|---|---|---|---|
| 203.4.164.0/22 | AS149872 PMCI-AS-AP | APNIC | Peter MacCallum Cancer Institute 305 Grattan St | MAINT-PMCI-AU |
| 203.4.164.0/22 | AS149872 PMCI-AS-AP | RADB | Peter MacCallum Cancer Centre | MAINT-ASAARNET |
| 203.4.128.0/17 covering | AS7545 TPG-INTERNET-AP | RADB | Proxy route object registered by AS2764 | MAINT-AS2764 |
| 203.4.128.0/17 covering | AS9942 COMINDICO-AP | RADB | SOUL Customer | MAINT-AS7545 |
More specific
Prefixes inside 203.4.164.0/22
4 announced prefixes fall inside this one.