202.5.12.0/22 National Center for Research on Earthquake Engineering
Announced by AS18183 National Center for Research on Earthquake Engineering. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 202.5.12.0/22
Prefix
Origin
AS18183 NCREE
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 00:02 UTC
Paths
How 202.5.12.0/22 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 3491 9924 7539 18183
| Origin | AS18183 National Center for Research on Earthquake Engineering |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3491 9924 7539 18183
| Origin | AS18183 National Center for Research on Earthquake Engineering |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9681 18183
| Origin | AS18183 National Center for Research on Earthquake Engineering |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18183 to originate 202.5.12.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 202.5.12.0/22 | /22 | AS18183 NCREE | APNIC |
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 |
|---|---|---|---|---|
| 202.5.12.0/22 | AS18183 NCREE | NTTCOM | NCREE (proxy-registered route object) | MAINT-ASNET |
| 202.5.12.0/22 | AS18183 NCREE | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 202.5.12.0/22 | AS17709 APT | REACH | REACH (Customer Route) | MAINT-REACH-NOC |