Spoofing Information for AS 42337 (RESPINA-AS)
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 | ||
|---|---|---|---|---|---|
| 2.188.224.x/24 | 2026-02-17 02:21:07 GMT | blocked | blocked | ||
| 2.188.227.x/24 | 2026-02-24 03:01:48 GMT | blocked | blocked | ||
| 2.189.86.x/24 | 2026-02-05 16:00:32 GMT | blocked | blocked | ||
| 2.189.163.x/24 | 2026-02-17 03:13:01 GMT | blocked | blocked | ||
| 78.39.46.x/24 | 2026-02-25 06:06:58 GMT | blocked | blocked | ||
| 81.12.93.x/24 | 2026-02-24 04:09:20 GMT | blocked | blocked | ||
| 2a00:15ca:xx::/40 | 2025-06-09 16:37:35 GMT | blocked | received | ||
Address Space Announcement History
The customer cone for 42337 is too large for a prefix list to be useful.