ResearchRouting table, looking glass, RPKI & IRR

144.74.0.0/17 Rush University Medical Center

Announced by AS25978 Rush University Medical Center. RPKI not found Seen by 5 of our 5 looking glass sessions.

What the table says about 144.74.0.0/17

Origin
AS25978 RUSH-EXTERNAL
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
3
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-13 20:02 UTC

How 144.74.0.0/17 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 33491 25978
OriginAS25978 Rush University Medical Center
Origin codeIGP
Communities3356:3 3356:22 3356:86 3356:575 3356:666 3356:903 3356:2059 33491:2955 36601:150 36601:2001 36601:13760 33491:223:58
Updated5d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33491 25978
OriginAS25978 Rush University Medical Center
Origin codeIGP
Communities903:900 903:13760
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33491 25978
OriginAS25978 Rush University Medical Center
Origin codeIGP
Communities36295:100
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7922 33491 25978
OriginAS25978 Rush University Medical Center
Origin codeIGP
Communities174:21000 174:22013
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7922 33491 25978
OriginAS25978 Rush University Medical Center
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 22h ago

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

Route objects

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

RouteOriginSourceDescriptionMaintained by
144.74.0.0/17AS25978 RUSH-EXTERNALRADBPNAP-CHG rushum routesMAINT-AS1828
144.74.0.0/16 coveringAS6325 ILLINOIS-CENTURYLEVEL3Proxy-registered route objectLEVEL3-MNT
144.74.0.0/16 coveringAS25978 RUSH-EXTERNALRADBPNAP-CHG rushum routeMAINT-AS1828
144.74.0.0/16 coveringAS46887 CROWNCASTLE-AS46887RADBCCF Customer Route ProxyMAINT-AS27506

Prefixes inside 144.74.0.0/17

3 announced prefixes fall inside this one.

Show the 3 prefixes

Check 144.74.0.0/17 live