204.141.56.0/22 ALARMNET
Announced by AS36136 ALARMNET. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.141.56.0/22
Prefix
Origin
AS36136 ALARMNET
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 04:02 UTC
Paths
How 204.141.56.0/22 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 7018 36136
| Origin | AS36136 ALARMNET |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 36136
| Origin | AS36136 ALARMNET |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018 36136
| Origin | AS36136 ALARMNET |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS36136 to originate 204.141.56.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 204.141.56.0/22 | /24 | AS36136 ALARMNET | ARIN |
| 204.141.0.0/16 | /16 | AS2914 NTT-DATA-2914 | 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 |
|---|---|---|---|---|
| 204.141.56.0/22 | AS36136 ALARMNET | RADB | Honeywell Alarmnet | MAINT-AS27506 |
| 204.141.0.0/16 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTT Communications backbone | MAINT-NTTCOM-RA |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 204.141.56.0/22
2 announced prefixes fall inside this one.