139.57.0.0/16 Brock University
Announced by AS16475 Brock University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 139.57.0.0/16
Prefix
Origin
AS16475 BROCKU
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-15 00:02 UTC
Paths
How 139.57.0.0/16 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 26677 16475
| Origin | AS16475 Brock University |
| Origin code | IGP |
| Communities | 174:21001 174:22003 36601:150 36601:174 36601:2001 |
| Updated | 7d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 53486 16475
| Origin | AS16475 Brock University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 53486 16475
| Origin | AS16475 Brock University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 9h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16475 to originate 139.57.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 139.57.0.0/16 | /24 | AS16475 BROCKU | 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 |
|---|---|---|---|---|
| 139.57.0.0/16 | AS16475 BROCKU | ARIN | Brock University 1812 Sir Isaac Brock Way St. Catharines ON L2S-3A1 Canada | MNT-BROCKU-Z |
| 139.57.0.0/16 | AS549 GTANET-AS | BELL | BROCKNET | MAINT-AS549 |
| 139.57.0.0/16 | AS16475 BROCKU | CANARIE | Brock University Prefix | ORANO-MNT |
| 139.57.0.0/16 | AS16475 BROCKU | RADB | Brock University | MAINT-ORION |