203.185.136.0/23 National Science and Technology Development Agency
Announced by AS38296 National Science and Technology Development Agency. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.185.136.0/23
Prefix
Origin
AS38296 NSTDA-TH-AS-AP
RPKI
RPKI not found
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 18 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 203.185.136.0/23 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 13h 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 | 5d 21h 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 | 5d 21h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 203.185.136.0/23 | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/23 | AS9835 GITS-TH-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/23 | AS38296 NSTDA-TH-AS-AP | RADB | CAT route object for CAT Telecom | MAINT-THIX-CAT-TH |
| 203.185.136.0/22 covering | AS4618 INET-TH-AS | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/22 covering | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/22 covering | AS38082 IIT-TIG-AS-AP | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 203.185.136.0/22 covering | AS4618 INET-TH-AS | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/22 covering | AS38082 IIT-TIG-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 203.185.136.0/22 covering | AS4750 CSLOXINFO-AS-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.185.136.0/21 covering | AS9835 GITS-TH-AS-AP | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 203.185.136.0/21 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 |