Spoofing Information for AS 4538 (ERX-CERNET-BKB)
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 | ||
|---|---|---|---|---|---|
| 58.206.199.x/24 | 2024-01-11 07:15:17 GMT | blocked | received | ||
| 166.111.83.x/24 | 2023-06-14 08:47:28 GMT | rewritten | rewritten | ||
| 183.172.126.x/24 | 2024-03-16 10:00:44 GMT | blocked | blocked | ||
| 183.173.20.x/24 | 2023-05-24 05:23:55 GMT | blocked | blocked | ||
| 202.120.234.x/24 | 2024-04-26 10:38:37 GMT | blocked | blocked | ||
| 210.39.1.x/24 | 2023-10-15 11:58:25 GMT | blocked | blocked | ||
| 2001:250:2xx::/40 | 2024-04-25 06:33:17 GMT | blocked | blocked | ||
| 2001:da8:2dxx::/40 | 2023-12-01 12:05:07 GMT | blocked | ✔ | blocked | |
| 2001:da8:e8xx::/40 | 2024-04-25 08:23:32 GMT | ✔ | blocked | ✔ | blocked |
Address Space Announcement History
The customer cone for 4538 is too large for a prefix list to be useful.