203.158.240.0/20 Rajamangala Institute of Technology
Announced by AS9903 Rajamangala Institute of Technology. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.158.240.0/20
Prefix
Origin
AS9903 RIT-AS-AP
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
15
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 203.158.240.0/20 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 4621 9903
| Origin | AS9903 Rajamangala Institute of Technology |
| Origin code | IGP |
| Communities | 174:21201 174:22038 36601:150 36601:174 36601:2001 |
| Updated | 5d 7h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 4651 4621 9903
| Origin | AS9903 Rajamangala Institute of Technology |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 15h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4651 4621 9903
| Origin | AS9903 Rajamangala Institute of Technology |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 15h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9903 to originate 203.158.240.0/20 up to /20. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.158.240.0/20 | /20 | AS9903 RIT-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 |
|---|---|---|---|---|
| 203.158.240.0/20 | AS9903 RIT-AS-AP | APNIC | Rajamangala University of Technology Thanyaburi 39 Moo 1, Klong 6 | MAINT-RUOTTC-TH |
| 203.158.240.0/20 | AS9903 RIT-AS-AP | RADB | Rajamangala University of Technology Tanyaburi network | MAINT-AS4621 |
| 203.158.192.0/18 covering | AS9903 RIT-AS-AP | RADB | Proxy-registered route object | MAINT-AS3491 |
| 203.158.128.0/17 covering | AS4621 UNINET-AS-AP | RADB | BtN Customer | MAINT-AS3491 |
More specific
Prefixes inside 203.158.240.0/20
15 announced prefixes fall inside this one.
Show the 15 prefixes
203.158.240.0/24 AS9903 RIT-AS-AP203.158.241.0/24 AS9903 RIT-AS-AP203.158.242.0/24 AS9903 RIT-AS-AP203.158.243.0/24 AS9903 RIT-AS-AP203.158.244.0/24 AS137546 RMUTT-EN-AS-AP203.158.245.0/24 AS137546 RMUTT-EN-AS-AP203.158.246.0/24 AS137546 RMUTT-EN-AS-AP203.158.247.0/24 AS137546 RMUTT-EN-AS-AP203.158.249.0/24 AS9903 RIT-AS-AP203.158.250.0/24 AS9903 RIT-AS-AP203.158.251.0/24 AS9903 RIT-AS-AP203.158.252.0/24 AS9903 RIT-AS-AP203.158.253.0/24 AS9903 RIT-AS-AP203.158.254.0/24 AS9903 RIT-AS-AP203.158.255.0/24 AS9903 RIT-AS-AP