Spoofing Information for AS 18403 (FPT-AS-AP)
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 | ||
|---|---|---|---|---|---|
| 1.53.65.x/24 | 2025-09-13 08:42:26 GMT | rewritten | rewritten | ||
| 1.55.164.x/24 | 2025-10-29 02:32:46 GMT | blocked | blocked | ||
| 2405:4802:90xx::/40 | 2025-04-30 09:37:37 GMT | blocked | blocked | ||
| 2405:4802:91xx::/40 | 2025-05-24 07:35:15 GMT | blocked | blocked | ||
| 2405:4802:a4xx::/40 | 2025-11-08 17:11:19 GMT | blocked | blocked | ||
| 2405:4803:fexx::/40 | 2025-09-13 08:42:26 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 18403 is too large for a prefix list to be useful.