131.104.0.0/17 University of Guelph
Announced by AS31886 University of Guelph. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 131.104.0.0/17
Prefix
Origin
AS31886 UOGUELPH
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
1
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-13 00:02 UTC
Paths
How 131.104.0.0/17 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 174 812 31886
| Origin | AS31886 University of Guelph |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 15024 11670 26677 31886
| Origin | AS31886 University of Guelph |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 3d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15024 11670 26677 31886
| Origin | AS31886 University of Guelph |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 3d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS31886 to originate 131.104.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 131.104.0.0/16 | /24 | AS31886 UOGUELPH | 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 |
|---|---|---|---|---|
| 131.104.0.0/17 | AS26677 ORION-ASN | CANARIE | University of Guelph Prefix will advertise from ORION AS26677 | ORANO-MNT |
| 131.104.0.0/17 | AS31886 UOGUELPH | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 131.104.0.0/16 covering | AS26677 ORION-ASN | CANARIE | University of Guelph Prefix will advertise from ORION AS26677 | ORANO-MNT |
| 131.104.0.0/16 covering | AS12021 ROGERS-COMMUNICATIONS | LEVEL3 | FW-50 | TRIO-MNT |
| 131.104.0.0/16 covering | AS31886 UOGUELPH | RADB | AS31886 proxy-registered route by Cogent | MAINT-AS174 |
More specific
Prefixes inside 131.104.0.0/17
1 announced prefix fall inside this one.