137.216.0.0/16 South Dakota State University
Announced by AS11607 South Dakota State University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 137.216.0.0/16
Prefix
Origin
AS11607 SD-STATE-UNIVERSITY
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
Origin since
2026-10-17 20:01 UTC
Paths
How 137.216.0.0/16 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 11232 14263 11607
| Origin | AS11607 South Dakota State University |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 14d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 11232 14263 11607
| Origin | AS11607 South Dakota State University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 21h 43m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 11232 14263 11607
| Origin | AS11607 South Dakota State University |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 6d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS11607 to originate 137.216.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 137.216.0.0/16 | /24 | AS11607 SD-STATE-UNIVERSITY | ARIN |
| 137.216.0.0/16 | /24 | AS198949 Radware | 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 |
|---|---|---|---|---|
| 137.216.0.0/16 | AS11607 SD-STATE-UNIVERSITY | ARIN | Morrill Hall 208 Box 2231 Brookings SD 57007 United States | MNT-SDSU-Z |
| 137.216.0.0/16 | AS198949 Radware | RADB | GPN_SDBoR | MAINT-AS198949 |