85.143.64.0/20 National Research Tomsk Polytechnic University
Announced by AS5567 National Research Tomsk Polytechnic University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 85.143.64.0/20
Prefix
Origin
AS5567 AS5567
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 85.143.64.0/20 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 23764 31133 50928 5567
| Origin | AS5567 National Research Tomsk Polytechnic University |
| Origin code | IGP |
| Communities | 174:21101 174:22005 36601:150 36601:174 36601:2001 |
| Updated | 5d 17h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 31133 50928 5567
| Origin | AS5567 National Research Tomsk Polytechnic University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 31133 50928 5567
| Origin | AS5567 National Research Tomsk Polytechnic University |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 1h 41m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS5567 to originate 85.143.64.0/20 up to /20. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 85.143.64.0/20 | /20 | AS5567 AS5567 | RIPE |
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 |
|---|---|---|---|---|
| 85.143.64.0/20 | AS5567 AS5567 | RIPE | TPUNET | INFR-MNT |