ResearchRouting table, looking glass, RPKI & IRR

203.4.166.0/24 Peter MacCallum Cancer Institute

Announced by AS149872 Peter MacCallum Cancer Institute. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 203.4.166.0/24

Origin
AS149872 PMCI-AS-AP
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-12 16:02 UTC

How 203.4.166.0/24 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 3356 7575 149872
OriginAS149872 Peter MacCallum Cancer Institute
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated3d 9h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7575 149872
OriginAS149872 Peter MacCallum Cancer Institute
Origin codeIGP
Communities903:900 903:13760
Updated3d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7575 149872
OriginAS149872 Peter MacCallum Cancer Institute
Origin codeIGP
Communities36295:100
Updated4d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7575 149872
OriginAS149872 Peter MacCallum Cancer Institute
Origin codeIGP
Communitiesnone
Updated4d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 7575 149872
OriginAS149872 Peter MacCallum Cancer Institute
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated6d 4h ago

Route origin authorizations

Covered by a ROA authorizing AS149872 to originate 203.4.166.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
203.4.166.0/24/24AS149872 PMCI-AS-APAPNIC
203.4.164.0/22/22AS149872 PMCI-AS-APAPNIC

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
203.4.166.0/24AS149872 PMCI-AS-APAPNICPeter MacCallum Cancer Institute 305 Grattan StMAINT-PMCI-AU
203.4.164.0/22 coveringAS149872 PMCI-AS-APAPNICPeter MacCallum Cancer Institute 305 Grattan StMAINT-PMCI-AU
203.4.164.0/22 coveringAS149872 PMCI-AS-APRADBPeter MacCallum Cancer CentreMAINT-ASAARNET
203.4.128.0/17 coveringAS7545 TPG-INTERNET-APRADBProxy route object registered by AS2764MAINT-AS2764
203.4.128.0/17 coveringAS9942 COMINDICO-APRADBSOUL CustomerMAINT-AS7545

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 203.4.166.0/24 live