Spoofing Information for AS 8422 (NETCOLOGNE)
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 | ||
|---|---|---|---|---|---|
| 85.197.58.x/24 | 2026-02-13 02:13:41 GMT | blocked | blocked | ||
| 87.78.58.x/24 | 2026-02-16 02:09:49 GMT | blocked | blocked | ||
| 87.78.59.x/24 | 2026-02-12 02:14:21 GMT | blocked | blocked | ||
| 87.78.84.x/24 | 2026-02-10 20:17:34 GMT | blocked | blocked | ||
| 87.78.85.x/24 | 2026-02-14 02:13:04 GMT | blocked | blocked | ||
| 87.78.156.x/24 | 2026-02-11 02:15:00 GMT | blocked | blocked | ||
| 87.78.157.x/24 | 2026-02-15 02:10:25 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 8422 is too large for a prefix list to be useful.