203.185.133.0/24 National Science and Technology Development Agency
Announced by AS38296 National Science and Technology Development Agency. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.185.133.0/24
Prefix
Origin
AS38296 NSTDA-TH-AS-AP
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 19 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 203.185.133.0/24 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 4651 9931 38296
| Origin | AS38296 National Science and Technology Development Agency |
| Origin code | IGP |
| Communities | 174:21201 174:22038 36601:150 36601:174 36601:2001 |
| Updated | 5d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 4651 9931 38296
| Origin | AS38296 National Science and Technology Development Agency |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4651 9931 38296
| Origin | AS38296 National Science and Technology Development Agency |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS38296 to originate 203.185.133.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.185.133.0/24 | /24 | AS38296 NSTDA-TH-AS-AP | APNIC |
| 203.185.132.0/23 | /23 | AS38296 NSTDA-TH-AS-AP | APNIC |
| 203.185.132.0/22 | /22 | AS38296 NSTDA-TH-AS-AP | 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 |
|---|---|---|---|---|
| 203.185.133.0/24 | AS38296 NSTDA-TH-AS-AP | APNIC | National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.133.0/24 | AS38296 NSTDA-TH-AS-AP | NTTCOM | Trans for AS9737 | MAINT-TMHKNTT |
| 203.185.133.0/24 | AS38296 NSTDA-TH-AS-AP | RADB | NSTDA | MAINT-AS7470 |
| 203.185.132.0/23 covering | AS38296 NSTDA-TH-AS-AP | APNIC | National Science and Technology Development Agency | MAINT-NECTEC-AP |
| 203.185.132.0/23 covering | AS38296 NSTDA-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.132.0/23 covering | AS38296 NSTDA-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.132.0/22 covering | AS38296 NSTDA-TH-AS-AP | APNIC | National Science and Technology Development Agency | MAINT-NECTEC-AP |
| 203.185.132.0/22 covering | AS38296 NSTDA-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.132.0/22 covering | AS38296 NSTDA-TH-AS-AP | RADB | CAT route object for NSTDA | MAINT-THIX-CAT-TH |
| 203.185.132.0/22 covering | AS4750 CSLOXINFO-AS-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.185.128.0/21 covering | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/21 covering | AS9835 GITS-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/20 covering | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/20 covering | AS9835 GITS-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/19 covering | AS4618 INET-TH-AS | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/19 covering | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/19 covering | AS38082 IIT-TIG-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.185.128.0/19 covering | AS4618 INET-TH-AS | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.128.0/19 covering | AS9835 GITS-TH-AS-AP | RADB | contact noc@inet.co.th if necessary | MAINT-AS3786 |
| 203.185.128.0/19 covering | AS38040 GLOBAL-TRANSIT-TOT-IIG-TH | RADB | AS 38040 | MAINT-AS9318 |
| 203.185.128.0/19 covering | AS38082 IIT-TIG-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 203.185.128.0/19 covering | AS4750 CSLOXINFO-AS-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.