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 | ||
|---|---|---|---|---|---|
| 58.206.206.x/24 | 2025-03-28 10:03:56 GMT | blocked | received | ||
| 58.206.201.x/24 | 2025-03-28 04:55:39 GMT | blocked | received | ||
| 202.112.237.x/24 | 2025-03-27 22:19:24 GMT | received | received | ||
| 58.199.65.x/24 | 2025-03-27 14:41:49 GMT | blocked | blocked | ||
| 58.206.204.x/24 | 2025-03-27 11:18:15 GMT | blocked | received | ||
| 58.206.200.x/24 | 2025-03-27 01:14:31 GMT | blocked | received | ||
| 202.120.234.x/24 | 2025-03-26 06:05:17 GMT | rewritten | rewritten | ||
| 58.206.203.x/24 | 2025-03-24 04:39:48 GMT | blocked | received | ||
| 58.206.207.x/24 | 2025-03-21 09:21:58 GMT | blocked | received | ||
| 58.206.238.x/24 | 2025-03-21 08:57:27 GMT | blocked | blocked | ||
| 58.206.202.x/24 | 2025-03-19 04:36:08 GMT | blocked | received | ||
| 58.206.205.x/24 | 2025-02-21 04:23:03 GMT | blocked | received | ||
| 2001:250:2xx::/40 | 2025-02-03 10:01:00 GMT | blocked | blocked | ||
| 222.23.81.x/24 | 2025-01-23 06:09:13 GMT | blocked | blocked | ||
| 210.39.1.x/24 | 2025-01-12 17:17:18 GMT | blocked | blocked | ||
| 219.246.51.x/24 | 2024-12-11 02:05:28 GMT | blocked | blocked | ||
| 219.246.54.x/24 | 2024-12-05 05:04:38 GMT | blocked | blocked | ||
| 202.201.11.x/24 | 2024-10-14 06:57:52 GMT | blocked | blocked | ||
| 202.201.10.x/24 | 2024-08-29 00:38:42 GMT | blocked | blocked | ||
| 2001:da8:2xx::/40 | 2024-08-21 11:23:35 GMT | received | received | ||
| 58.206.199.x/24 | 2024-06-26 06:20:21 GMT | blocked | received | ||
| 2001:da8:e8xx::/40 | 2024-06-13 16:12:33 GMT | blocked | blocked | ||
| 202.112.174.x/24 | 2024-05-31 10:30:55 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 4538 is too large for a prefix list to be useful.