157.143.248.0/21 Sewan Belgium SA
Announced by AS196755 Sewan Belgium SA. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 157.143.248.0/21
Prefix
Origin
AS196755 NET-3STARS-AS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 157.143.248.0/21 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 196755
| Origin | AS196755 Sewan Belgium SA |
| Origin code | IGP |
| Communities | 174:21101 174:22002 36601:150 36601:174 36601:2001 |
| Updated | 7d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 35280 50309 196755
| Origin | AS196755 Sewan Belgium SA |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 1299 196755
| Origin | AS196755 Sewan Belgium SA |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 8h 54m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS196755 to originate 157.143.248.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 157.143.248.0/21 | /21 | AS196755 NET-3STARS-AS | RIPE |
| 157.143.128.0/17 | /17 | 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 |
|---|---|---|---|---|
| 157.143.248.0/21 | AS196755 NET-3STARS-AS | RIPE | N | MNT-3STRS, MNT-SEWAN, MNT-3STARS |
| 157.143.128.0/17 covering | AS8399 SEWAN-FR | RIPE | SEWAN COMMUNICATIONS | ORNIS-MNT, MNT-SEWAN |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.