140.129.52.0/22 National Yang Ming Chiao Tung University
Announced by AS9916 National Yang Ming Chiao Tung University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 140.129.52.0/22
Prefix
Origin
AS9916 NCTU-TW
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-14 00:02 UTC
Paths
How 140.129.52.0/22 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 4780 18185 9916
| Origin | AS9916 National Yang Ming Chiao Tung University |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9002 4780 18185 9916
| Origin | AS9916 National Yang Ming Chiao Tung University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3491 4780 18185 9916
| Origin | AS9916 National Yang Ming Chiao Tung University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 9h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9916 to originate 140.129.52.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 140.129.52.0/22 | /22 | AS9916 NCTU-TW | APNIC |
| 140.128.0.0/13 | /13 | AS1659 ERX-TANET-ASN1 | 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 |
|---|---|---|---|---|
| 140.129.52.0/22 | AS9916 NCTU-TW | RADB | Far Eastone Telecommunications Co., Ltd No. 220, Gangchi Rd., Taipei 114 Taiwan (Customer Route) | MAINT-AS4780 |
| 140.129.52.0/22 | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 140.128.0.0/13 covering | AS1659 ERX-TANET-ASN1 | NTTCOM | TANET (proxy-registered route object) | MAINT-ASNET |
| 140.128.0.0/13 covering | AS1659 ERX-TANET-ASN1 | RADB | Transit Customer AS1659 (TANet) of EBIX (AS17709) | MAINT-AS17709 |
| 140.128.0.0/13 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.