203.238.192.0/21 POSCO DX
Announced by AS18305 POSCO DX. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.238.192.0/21
Prefix
Origin
AS18305 POSNET-KR
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-15 04:02 UTC
Paths
How 203.238.192.0/21 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 4766 18305×7
| Origin | AS18305 POSCO DX |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 4766 18305×7
| Origin | AS18305 POSCO DX |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 9318 18305×6
| Origin | AS18305 POSCO DX |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 8m 50s 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 |
|---|---|---|---|---|
| 203.238.192.0/21 | AS18302 SKG_NW-AS-KR-KR | NTTCOM | SKNETWORKS | MAINT-SKNETWORKS |
| 203.238.192.0/21 | AS18302 SKG_NW-AS-KR-KR | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 203.238.192.0/21 | AS18305 POSNET-KR | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 |
| 203.238.192.0/21 | AS9318 SKB-AS-KR | REACH | REACH (Customer Route) | MAINT-REACH-NOC |