Spoofing Information for AS 9541 (CYBERNET-AP)
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 | ||
|---|---|---|---|---|---|
| 72.255.7.x/24 | 2026-10-19 15:34:21 GMT | rewritten | rewritten | ||
| 72.255.39.x/24 | 2026-05-30 22:50:21 GMT | rewritten | rewritten | ||
| 72.255.51.x/24 | 2026-09-16 04:39:57 GMT | rewritten | rewritten | ||
| 139.135.36.x/24 | 2026-03-05 15:45:34 GMT | rewritten | rewritten | ||
| 202.47.45.x/24 | 2026-02-28 09:33:38 GMT | rewritten | rewritten | ||
| 202.47.49.x/24 | 2026-03-08 03:37:23 GMT | rewritten | rewritten | ||
| 202.47.52.x/24 | 2026-02-22 09:35:55 GMT | rewritten | rewritten | ||
| 2400:adc5:1xx::/40 | 2026-09-30 15:04:22 GMT | blocked | blocked | ||
| 2400:adc5:4xx::/40 | 2026-03-05 15:45:34 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 9541 is too large for a prefix list to be useful.