Recent tests
| 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. | |||
| Session | Timestamp (UTC) | Client IP Block | ASN | Country | NAT | Outbound Private Status | Outbound Routable Status | Adj Spoof Prefix Len | Results | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016837 | 2025-08-22 03:23:49 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2015492 | 2025-08-19 17:23:45 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 2005773 | 2025-08-01 23:36:32 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 1964510 | 2025-05-20 18:11:42 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 1961881 | 2025-05-16 03:43:15 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 1788248 | 2024-06-28 18:55:54 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
| 619694 | 2019-02-06 20:50:20 | 128.54.21.x/24 | 7377 (UCSD) | usa (United States) | yes | blocked | blocked | none | Report | ||
All results shown