2a05:d80:4000::/48 CERIZ SASU
Announced by AS51257 CERIZ SASU. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2a05:d80:4000::/48
Prefix
Origin
AS51257 CERIZ
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-13 20:09 UTC
Paths
How 2a05:d80:4000::/48 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 2914 29075 51257
| Origin | AS51257 CERIZ SASU |
| Origin code | IGP |
| Communities | 0:0 174:21000 174:22013 36601:150 36601:2001 |
| Updated | 5d 21h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 29075 51257
| Origin | AS51257 CERIZ SASU |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 6d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 29075 51257
| Origin | AS51257 CERIZ SASU |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS51257 to originate 2a05:d80:4000::/48 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2a05:d80:4000::/48 | /48 | AS51257 CERIZ | RIPE |
| 2a05:d80::/29 | /29 | AS51257 CERIZ | 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 |
|---|---|---|---|---|
| 2a05:d80::/29 covering | AS51257 CERIZ | RIPE | CERIZ-6 | MNT-CERIZ |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.