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 | ||
|---|---|---|---|---|---|
| 37.62.67.x/24 | 2026-06-21 15:25:23 GMT | rewritten | rewritten | ||
| 37.185.20.x/24 | 2026-01-26 17:26:16 GMT | blocked | blocked | ||
| 109.132.193.x/24 | 2026-08-19 15:14:01 GMT | blocked | blocked | ||
| 109.137.209.x/24 | 2025-09-06 21:08:38 GMT | rewritten | blocked | ||
| 109.139.157.x/24 | 2026-06-21 17:54:15 GMT | rewritten | rewritten | ||
| 109.140.114.x/24 | 2026-06-23 18:34:43 GMT | rewritten | rewritten | ||
| 109.141.17.x/24 | 2026-06-21 15:02:01 GMT | rewritten | rewritten | ||
| 109.142.151.x/24 | 2026-06-23 19:28:45 GMT | rewritten | rewritten | ||
| 178.145.215.x/24 | 2026-07-20 12:47:19 GMT | rewritten | rewritten | ||
| 188.5.252.x/24 | 2026-06-22 07:12:39 GMT | rewritten | rewritten | ||
| 2a02:a03f:aexx::/40 | 2026-08-19 15:14:01 GMT | blocked | blocked | ||
| 2a02:a03f:bexx::/40 | 2026-04-14 12:25:44 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 5432 is too large for a prefix list to be useful.