203.185.100.0/24 National Science and Technology Development Agency
Announced by AS38296 National Science and Technology Development Agency. RPKI valid Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 203.185.100.0/24
Prefix
Origin
AS38296 NSTDA-TH-AS-AP
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
4 exact, 20 covering
In RouteViews
2026-10-13 16:03 UTC
Paths
How 203.185.100.0/24 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.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 4621 38296
| Origin | AS38296 National Science and Technology Development Agency |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 5d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS38296 to originate 203.185.100.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.185.100.0/24 | /24 | AS38296 NSTDA-TH-AS-AP | APNIC |
| 203.185.96.0/19 | /24 | AS3836 THAISARN-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 |
|---|---|---|---|---|
| 203.185.100.0/24 | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.100.0/24 | AS38296 NSTDA-TH-AS-AP | APNIC | National Science and Technology Development Agency | MAINT-NECTEC-AP |
| 203.185.100.0/24 | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.100.0/24 | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.100.0/23 covering | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.100.0/23 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.100.0/23 covering | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.100.0/22 covering | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.100.0/22 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.100.0/22 covering | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/21 covering | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.96.0/21 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/21 covering | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/20 covering | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.96.0/20 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/20 covering | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/19 covering | AS3836 THAISARN-TH-AS-AP | APNIC | Thai Social/scientific Academic and Research Network National Electronics and Computer Technology Center 112 Thailand Science Park Phahon Yothin Road Klong 1 | MAINT-NECTEC-AP |
| 203.185.96.0/19 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.96.0/19 covering | AS3836 THAISARN-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.64.0/18 covering | AS3836 THAISARN-TH-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.185.64.0/18 covering | AS4618 INET-TH-AS | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.185.64.0/18 covering | AS3836 THAISARN-TH-AS-AP | RADB | CAT route object for NGi ( Next Generation internet -Thaisarn) | MAINT-THIX-CAT-TH |
| 203.185.64.0/18 covering | AS4618 INET-TH-AS | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 203.185.64.0/18 covering | AS38040 GLOBAL-TRANSIT-TOT-IIG-TH | RADB | AS 38040 | MAINT-AS9318 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.