Spoofing Information for AS 1103 (SURFNET-NL)
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 | ||
|---|---|---|---|---|---|
| 145.89.110.x/24 | 2024-01-29 15:05:32 GMT | blocked | blocked | ||
| 145.90.231.x/24 | 2024-01-24 17:05:20 GMT | blocked | blocked | ||
| 145.100.74.x/24 | 2024-10-28 21:33:30 GMT | blocked | blocked | ||
| 145.103.245.x/24 | 2024-08-21 10:23:04 GMT | rewritten | rewritten | ||
| 145.103.249.x/24 | 2024-11-14 10:31:36 GMT | rewritten | rewritten | ||
| 2001:610:4xx::/40 | 2024-01-24 17:05:20 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 1103 is too large for a prefix list to be useful.