203.139.0.0/18 SoftBank Corp.
Announced by AS4725 SoftBank Corp. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.139.0.0/18
Prefix
Origin
AS4725 ODN
RPKI
RPKI not found
Size
16,384 addresses
Less specific
none
More specifics
1
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-15 00:02 UTC
Paths
How 203.139.0.0/18 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 13760 7029 17676 4725
| Origin | AS4725 SoftBank Corp. |
| Origin code | IGP |
| Communities | 7029:2089 36601:150 36601:2001 36601:13760 |
| Updated | 6d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 17676 4725
| Origin | AS4725 SoftBank Corp. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 17676 4725
| Origin | AS4725 SoftBank Corp. |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 7h 34m 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 |
|---|---|---|---|---|
| 203.139.0.0/17 covering | AS4725 ODN | JPIRR | ODN | MAINT-AS4725 |
| 203.139.0.0/17 covering | AS4725 ODN | RADB | ODN | MAINT-AS4722 |
More specific
Prefixes inside 203.139.0.0/18
1 announced prefix fall inside this one.