Spoofing Information for AS 25159 (SONICDUO-AS)
Spoofing status per IP block for last year of data
(Results for all dates also available.)| Spoof status key | ||||
|---|---|---|---|---|
| received | Spoofed packet was received. | ✔ | Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it. | |
| rewritten | Spoofed packet was received, but the source address was changed en route. | |||
| blocked | Spoofed packet was not received, but unspoofed packet was. | |||
| unknown | Neither spoofed nor unspoofed packet was received. | |||
| IP block | Latest test | Spoof Private | Spoof Routable | ||
|---|---|---|---|---|---|
| 94.25.176.x/24 | 2025-07-20 13:33:44 GMT | rewritten | rewritten | ||
| 94.25.184.x/24 | 2025-07-26 01:32:43 GMT | rewritten | rewritten | ||
| 2a03:d000:41xx::/40 | 2025-11-06 23:14:43 GMT | blocked | blocked | ||
| 2a03:d000:42xx::/40 | 2025-11-03 22:19:10 GMT | blocked | blocked | ||
| 2a03:d000:43xx::/40 | 2025-11-13 18:26:02 GMT | blocked | blocked | ||
| 2a03:d000:44xx::/40 | 2025-07-18 16:28:54 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 25159 is too large for a prefix list to be useful.