185.51.28.0/22 Core4Net, s.r.o.
Announced by AS197307 Core4Net, s.r.o. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 185.51.28.0/22
Prefix
Origin
AS197307 bnet-internet_cz
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 185.51.28.0/22 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 39392 197307
| Origin | AS197307 Core4Net, s.r.o. |
| Origin code | IGP |
| Communities | 174:21101 174:22016 36601:150 36601:174 36601:2001 |
| Updated | 6d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 39392 197307
| Origin | AS197307 Core4Net, s.r.o. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 197307
| Origin | AS197307 Core4Net, s.r.o. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS197307 to originate 185.51.28.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 185.51.28.0/22 | /24 | AS197307 bnet-internet_cz | 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 |
|---|---|---|---|---|
| 185.51.28.0/22 | AS197307 bnet-internet_cz | RIPE | BNET Business, s.r.o. / Secondary IPv4 route | CZ-BNET-BUSINESS-1-MNT |