192.197.121.0/24 McGill University
Announced by AS15318 McGill University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 192.197.121.0/24
Prefix
Origin
AS15318 MCGILL-AS
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 1 covering
In RouteViews
2026-10-14 12:02 UTC
Paths
How 192.197.121.0/24 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 174 376 15318
| Origin | AS15318 McGill University |
| Origin code | IGP |
| Communities | 174:21001 174:22003 36601:150 36601:174 36601:2001 |
| Updated | 5d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 376 15318
| Origin | AS15318 McGill University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6453 376 15318
| Origin | AS15318 McGill University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS15318 to originate 192.197.121.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 192.197.121.0/24 | /24 | AS15318 MCGILL-AS | 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 |
|---|---|---|---|---|
| 192.197.121.0/24 | AS15318 MCGILL-AS | BELL | MCGILL-NET-192-197-221 | MAINT-AS15318 |
| 192.197.121.0/24 | AS1784 GCFA-ASN02 | LEVEL3 | AS1784-CUST | BROADVOICE-MNT |
| 192.197.121.0/24 | AS15318 MCGILL-AS | RADB | Universite McGill | MAINT-AS376 |
| 192.197.0.0/16 covering | AS2675 CDAGOVN | RADB | Government of Canada, Shared Services Canada | MAINT-AS2675 |