109.104.120.0/21 MAINFRAME & CYBERNETIC SYSTEMS LIMITED
Announced by AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 109.104.120.0/21
Prefix
Origin
AS25577 C4L-AS
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
4
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 109.104.120.0/21 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 3257 25577
| Origin | AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8d 1h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257 25577
| Origin | AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3257 25577
| Origin | AS25577 MAINFRAME & CYBERNETIC SYSTEMS LIMITED |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 1d 11h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
More specific
Prefixes inside 109.104.120.0/21
4 announced prefixes fall inside this one.