212.87.244.0/22 Politechnika Czestochowska
Announced by AS25084 Politechnika Czestochowska. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 212.87.244.0/22
Prefix
Origin
AS25084 CZESTMAN-COM-AS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 212.87.244.0/22 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 13293 25084
| Origin | AS25084 Politechnika Czestochowska |
| Origin code | IGP |
| Communities | 174:21101 174:22028 36601:150 36601:174 36601:2001 |
| Updated | 15h 38m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 13293 25084
| Origin | AS25084 Politechnika Czestochowska |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 20h 1m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 25084
| Origin | AS25084 Politechnika Czestochowska |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 11h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS25084 to originate 212.87.244.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 212.87.244.0/22 | /22 | AS25084 CZESTMAN-COM-AS | 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 |
|---|---|---|---|---|
| 212.87.244.0/22 | AS25084 CZESTMAN-COM-AS | RIPE | Technical University of Czestochowa The IP space of non-educational customers of Metropolitan Area Network CzestMAN, Czestochowa, POLAND | PL-CZESTMAN-MNT |