2a03:b4c0::/32 O2 Czech Republic, a.s.
Announced by AS16246 O2 Czech Republic, a.s. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2a03:b4c0::/32
Prefix
Origin
AS16246 AS16246
RPKI
RPKI valid
Size
4,294,967,296 /64s
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 04:07 UTC
Paths
How 2a03:b4c0::/32 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 5610 16246
| Origin | AS16246 O2 Czech Republic, a.s. |
| Origin code | IGP |
| Communities | 174:21101 174:22016 36601:150 36601:2001 |
| Updated | 4d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 5610 16246
| Origin | AS16246 O2 Czech Republic, a.s. |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 5610 16246
| Origin | AS16246 O2 Czech Republic, a.s. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 13h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16246 to originate 2a03:b4c0::/32 up to /32. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2a03:b4c0::/32 | /32 | AS16246 AS16246 | 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 |
|---|---|---|---|---|
| 2a03:b4c0::/32 | AS16246 AS16246 | RIPE | SPORKNET | KTVTRINEC-MNT |
| 2a03:b4c0::/32 | AS61169 SPORKNET | RIPE | SPORKNET | KTVTRINEC-MNT |