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 | 2024-06-26 06:20:21 GMT | blocked | received | ||
| 58.206.200.x/24 | 2024-09-09 06:10:23 GMT | blocked | received | ||
| 58.206.201.x/24 | 2024-10-23 08:49:12 GMT | blocked | received | ||
| 58.206.202.x/24 | 2024-09-02 07:05:27 GMT | blocked | received | ||
| 58.206.203.x/24 | 2024-10-17 08:12:12 GMT | blocked | received | ||
| 58.206.204.x/24 | 2024-11-13 06:43:00 GMT | blocked | received | ||
| 58.206.205.x/24 | 2024-11-15 10:05:12 GMT | blocked | received | ||
| 58.206.206.x/24 | 2024-10-14 09:14:23 GMT | blocked | received | ||
| 58.206.207.x/24 | 2024-10-16 17:23:49 GMT | blocked | received | ||
| 58.206.238.x/24 | 2024-11-20 10:27:55 GMT | blocked | blocked | ||
| 183.172.126.x/24 | 2024-03-16 10:00:44 GMT | blocked | blocked | ||
| 202.112.174.x/24 | 2024-05-31 10:30:55 GMT | blocked | blocked | ||
| 202.112.237.x/24 | 2024-11-21 01:57:41 GMT | received | received | ||
| 202.120.234.x/24 | 2024-11-12 18:01:42 GMT | rewritten | rewritten | ||
| 202.201.10.x/24 | 2024-08-29 00:38:42 GMT | blocked | blocked | ||
| 202.201.11.x/24 | 2024-10-14 06:57:52 GMT | blocked | blocked | ||
| 2001:250:2xx::/40 | 2024-11-19 10:05:48 GMT | blocked | blocked | ||
| 2001:da8:2xx::/40 | 2024-08-21 11:23:35 GMT | received | received | ||
| 2001:da8:2dxx::/40 | 2023-12-01 12:05:07 GMT | blocked | ✔ | blocked | |
| 2001:da8:e8xx::/40 | 2024-06-13 16:12:33 GMT | ✔ | blocked | ✔ | blocked |
Address Space Announcement History
The customer cone for 4538 is too large for a prefix list to be useful.