37.139.120.0/21 SEWAN SAS
Announced by AS8399 SEWAN SAS. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.139.120.0/21
Prefix
Origin
AS8399 SEWAN-FR
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 37.139.120.0/21 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 35699 8399
| Origin | AS8399 SEWAN SAS |
| Origin code | IGP |
| Communities | 174:21101 174:22007 36601:150 36601:174 36601:2001 |
| Updated | 8d 2h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 8399
| Origin | AS8399 SEWAN SAS |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 11h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 8399
| Origin | AS8399 SEWAN SAS |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 15h 36m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8399 to originate 37.139.120.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.139.120.0/21 | /21 | AS8399 SEWAN-FR | RIPE |
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 |
|---|---|---|---|---|
| 37.139.120.0/21 | AS8399 SEWAN-FR | RIPE | SEWAN COMMUNICATIONS SPAIN | MNT-SEWAN |