129.19.176.0/20 COLORADO MOUNTAIN COLLEGE
Announced by AS393869 COLORADO MOUNTAIN COLLEGE. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 129.19.176.0/20
Prefix
Origin
AS393869 CMC
RPKI
RPKI valid
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 129.19.176.0/20 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 393869
| Origin | AS393869 COLORADO MOUNTAIN COLLEGE |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 1d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 393869
| Origin | AS393869 COLORADO MOUNTAIN COLLEGE |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3356 393869
| Origin | AS393869 COLORADO MOUNTAIN COLLEGE |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 10h 3m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS393869 to originate 129.19.176.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 129.19.176.0/20 | /24 | AS393869 CMC | ARIN |
| 129.19.0.0/16 | /16 | AS14041 AS-FRGP | ARIN |
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 |
|---|---|---|---|---|
| 129.19.176.0/20 | AS393869 CMC | ARIN | Colorado State University | MNT-CSU-2-Z |
| 129.19.176.0/20 | AS393869 CMC | RADB | Colorado Mountain College | MAINT-AS14041 |
| 129.19.0.0/16 covering | AS14041 AS-FRGP | ARIN | Colorado State University | MNT-CSU-2-Z |
| 129.19.0.0/16 covering | AS31991 PRPA | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 129.19.0.0/16 covering | AS14041 AS-FRGP | RADB | Front Range GigaPoP at UCD 1200 Larimer Street Denver, CO 80204, USA http://www.frgp.net/ | MAINT-AS14041 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.