149.20.248.0/21 Mainstream Fiber Networks, LLC
Announced by AS18615 Mainstream Fiber Networks, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 149.20.248.0/21
Prefix
Origin
AS18615 MAINSTREAM-FIBER
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 149.20.248.0/21 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 18615
| Origin | AS18615 Mainstream Fiber Networks, LLC |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 3d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 18615
| Origin | AS18615 Mainstream Fiber Networks, LLC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 18615
| Origin | AS18615 Mainstream Fiber Networks, LLC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 20h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18615 to originate 149.20.248.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 149.20.248.0/21 | /21 | AS18615 MAINSTREAM-FIBER | ARIN |
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 |
|---|---|---|---|---|
| 149.20.248.0/21 | AS18615 MAINSTREAM-FIBER | ARIN | 4588 Old State Road 46 Nashville IN 47448 United States | MNT-MFNL-2 |
| 149.20.248.0/21 | AS18615 MAINSTREAM-FIBER | RADB | MSFN-PUBLICS | MAINT-AS18615 |