Spoofing Information for AS 27947
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 | ||
|---|---|---|---|---|---|
| 157.100.14.x/24 | 2026-04-17 14:42:51 GMT | blocked | blocked | ||
| 157.100.106.x/24 | 2025-06-07 16:50:09 GMT | rewritten | rewritten | ||
| 157.100.107.x/24 | 2025-07-26 19:59:15 GMT | rewritten | rewritten | ||
| 157.100.112.x/24 | 2025-11-29 19:36:02 GMT | rewritten | rewritten | ||
| 157.100.134.x/24 | 2025-05-18 21:47:44 GMT | rewritten | rewritten | ||
| 157.100.135.x/24 | 2025-10-25 21:09:55 GMT | rewritten | rewritten | ||
| 157.100.138.x/24 | 2025-10-03 23:55:30 GMT | rewritten | rewritten | ||
| 181.39.183.x/24 | 2025-07-03 22:09:00 GMT | blocked | blocked | ||
| 181.199.44.x/24 | 2025-07-28 02:16:50 GMT | rewritten | rewritten | ||
| 186.3.188.x/24 | 2025-07-26 15:07:15 GMT | unknown | blocked | ||
| 186.3.192.x/24 | 2026-04-10 05:24:18 GMT | blocked | blocked | ||
| 186.101.197.x/24 | 2026-04-11 17:02:20 GMT | blocked | blocked | ||
| 2800:bf0:24xx::/40 | 2025-10-25 21:09:55 GMT | blocked | blocked | ||
| 2800:bf0:80xx::/40 | 2025-12-17 04:39:13 GMT | blocked | blocked | ||
| 2800:bf0:81xx::/40 | 2026-01-24 17:36:58 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 27947 is too large for a prefix list to be useful.