138.247.0.0/16 Dakota State University
Announced by AS23122 Dakota State University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 138.247.0.0/16
Prefix
Origin
AS23122 DSU
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 138.247.0.0/16 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 23122
| Origin | AS23122 Dakota State University |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 1d 7h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 11232 14263 23122
| Origin | AS23122 Dakota State University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 1d 7h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 11232 14263 23122
| Origin | AS23122 Dakota State University |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 5h 40m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS23122 to originate 138.247.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 138.247.0.0/16 | /24 | AS23122 DSU | ARIN |
| 138.247.0.0/16 | /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 |
|---|---|---|---|---|
| 138.247.0.0/16 | AS23122 DSU | ARIN | Dakota State University Information Technology Services 820 North Washington Ave Madison SD 57042 United States | MNT-DSU-Z |
| 138.247.0.0/16 | AS198949 Radware | RADB | GPN_SDBoR | MAINT-AS198949 |