199.235.121.0/24 Halton District School Board
Announced by AS33105 Halton District School Board. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 199.235.121.0/24
Prefix
Origin
AS33105 HDSB
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 4 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 199.235.121.0/24 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 7992 33105×4
| Origin | AS33105 Halton District School Board |
| Origin code | incomplete |
| Communities | 174:21001 174:22003 36601:150 36601:174 36601:2001 |
| Updated | 5d 12h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 7992 33105×4
| Origin | AS33105 Halton District School Board |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7992 33105×4
| Origin | AS33105 Halton District School Board |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33105 to originate 199.235.121.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 199.235.121.0/24 | /24 | AS33105 HDSB | ARIN |
| 199.235.112.0/20 | /24 | AS834 IPXO | 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 |
|---|---|---|---|---|
| 199.235.64.0/18 covering | AS33105 HDSB | RADB | Added on behalf of the customer | MAINT-AS812 |
| 199.235.0.0/16 covering | AS577 BACOM | BELL | Halton Board of Education | BELL-RC |
| 199.235.0.0/16 covering | AS812 ROGERS-COMMUNICATIONS | RADB | Halton District School Board | MAINT-AS812 |
| 199.235.0.0/16 covering | AS33105 HDSB | RADB | Added on behalf of the customer | MAINT-AS812 |