Spoofing Information for AS 5432 (PROXIMUS-ISP-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 | ||
|---|---|---|---|---|---|
| 37.185.20.x/24 | 2026-01-26 17:26:16 GMT | blocked | blocked | ||
| 81.244.45.x/24 | 2025-05-31 09:05:46 GMT | blocked | blocked | ||
| 109.132.193.x/24 | 2026-04-14 12:25:44 GMT | blocked | blocked | ||
| 109.137.209.x/24 | 2025-09-06 21:08:38 GMT | rewritten | blocked | ||
| 2a02:a03f:bexx::/40 | 2026-04-14 12:25:44 GMT | blocked | blocked | ||
| 2a02:a03f:ebxx::/40 | 2025-04-24 11:45:43 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 5432 is too large for a prefix list to be useful.