ResearchRouting table, looking glass, RPKI & IRR

192.203.136.0/23 College of duPage

Announced by AS17196 College of duPage. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 192.203.136.0/23

Prefix
192.203.136.0/23
Origin
AS17196 COD-GE-IL
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths

How 192.203.136.0/23 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 13760 3356 33491 17196
OriginAS17196 College of duPage
Origin codeIGP
Communities3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2059 33491:2955 36601:150 36601:2001 36601:13760 33491:227:113
Updated5d 4h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33491 17196
OriginAS17196 College of duPage
Origin codeIGP
Communities903:900 903:13760
Updated5d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33491 17196
OriginAS17196 College of duPage
Origin codeIGP
Communities36295:100
Updated5d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7922 33491 17196
OriginAS17196 College of duPage
Origin codeIGP
Communitiesnone
Updated5d 12h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6325×3 17196
OriginAS17196 College of duPage
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 5h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS17196 to originate 192.203.136.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
192.203.136.0/23/23AS17196 COD-GE-ILARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
192.203.136.0/23AS17196 COD-GE-ILARINCollege of duPageMNT-COLLEG-16
192.203.136.0/23AS6325 ILLINOIS-CENTURYLEVEL3Proxy-registered route objectLEVEL3-MNT
192.203.136.0/23AS13385 COMCAST-TELECOMMLEVEL3College of DupageCTI-MNT
192.203.136.0/23AS17196 COD-GE-ILLEVEL3College of DupageCTI-MNT
Tools

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