Spoofing Information for AS 30058 (FDCSERVERS)
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 | ||
|---|---|---|---|---|---|
| 31.56.82.x/24 | 2026-03-01 01:43:02 GMT | rewritten | unknown | ||
| 50.7.40.x/24 | 2025-08-01 12:35:10 GMT | blocked | blocked | ||
| 50.7.244.x/24 | 2026-04-10 21:46:01 GMT | rewritten | rewritten | ||
| 50.7.253.x/24 | 2026-04-17 04:50:50 GMT | rewritten | received | ||
| 66.90.99.x/24 | 2026-03-14 08:44:43 GMT | blocked | blocked | ||
| 2001:49f0:d0xx::/40 | 2026-03-14 08:44:43 GMT | ✔ | blocked | received | |
Address Space Announcement History
The customer cone for 30058 is too large for a prefix list to be useful.