129.19.0.0/18 Colorado State University
Announced by AS12145 Colorado State University. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 129.19.0.0/18
Prefix
Origin
AS12145 COLORADOSTATEUNIV
RPKI
RPKI valid
Size
16,384 addresses
Less specific
More specifics
2
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-13 12:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS12145 to originate 129.19.0.0/18 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 129.19.0.0/18 | /24 | AS12145 COLORADOSTATEUNIV | 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 |
|---|---|---|---|---|
| 129.19.0.0/18 | AS12145 COLORADOSTATEUNIV | ARIN | Colorado State University | MNT-CSU-2-Z |
| 129.19.0.0/18 | AS12145 COLORADOSTATEUNIV | RADB | Colorado State University (CSU) Fort Collins, CO, USA http://www.colostate.edu/ | 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.
More specific
Prefixes inside 129.19.0.0/18
2 announced prefixes fall inside this one.