ResearchRouting table, looking glass, RPKI & IRR

209.175.44.0/22 Chicago Public Schools

Announced by AS1416 Chicago Public Schools. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 209.175.44.0/22

Prefix
209.175.44.0/22
Origin
AS1416 CHICAGO-PUBLIC-SCHOOLS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
209.175.0.0/18 AS6325 ILLINOIS-CENTURY
More specifics
0
IRR route objects
1 exact, 5 covering
In RouteViews
2026-10-14 04:02 UTC
Paths

How 209.175.44.0/22 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 174 7018 1416
OriginAS1416 Chicago Public Schools
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated6d 4h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 1416
OriginAS1416 Chicago Public Schools
Origin codeIGP
Communities903:900 903:13760
Updated6d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018 1416
OriginAS1416 Chicago Public Schools
Origin codeIGP
Communities36295:100
Updated6d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7018 1416
OriginAS1416 Chicago Public Schools
Origin codeIGP
Communitiesnone
Updated6d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7018 1416
OriginAS1416 Chicago Public Schools
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 6h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS1416 to originate 209.175.44.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
209.175.44.0/22/22AS1416 CHICAGO-PUBLIC-SCHOOLSARIN
209.175.0.0/18/18AS6325 ILLINOIS-CENTURYARIN
209.175.0.0/17/17AS6325 ILLINOIS-CENTURYARIN
209.175.0.0/16/16AS6325 ILLINOIS-CENTURYARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
209.175.44.0/22AS1416 CHICAGO-PUBLIC-SCHOOLSRADBICN Range advertised by ICN Customer Chicago Public Schools AS1416MAINT-AS6325
209.175.0.0/18 coveringAS6325 ILLINOIS-CENTURYRADBICNMAINT-AS6325
209.175.0.0/17 coveringAS6325 ILLINOIS-CENTURYLEVEL3Proxy-registered route objectLEVEL3-MNT
209.175.0.0/17 coveringAS6325 ILLINOIS-CENTURYRADBState of IL CMSMAINT-AS6325
209.175.0.0/16 coveringAS6325 ILLINOIS-CENTURYLEVEL3Proxy-registered route objectLEVEL3-MNT
209.175.0.0/16 coveringAS6325 ILLINOIS-CENTURYRADBState of IL CMSMAINT-AS6325
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

209.175.0.0/18 AS6325 ILLINOIS-CENTURY209.175.0.0/17 AS6325 ILLINOIS-CENTURY209.175.0.0/16 AS6325 ILLINOIS-CENTURY
Tools

Check 209.175.44.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API