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 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085297 | 2025-12-26 13:15:24 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2083387 | 2025-12-22 13:37:36 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2069284 | 2025-11-27 13:05:30 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2061551 | 2025-11-13 16:48:51 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2061551 | 2025-11-13 16:48:51 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2059671 | 2025-11-10 13:19:01 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2057781 | 2025-11-03 12:38:57 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2046826 | 2025-10-14 20:14:51 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | received | received | /9 | Report | |
| 2046826 | 2025-10-14 20:14:51 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2043290 | 2025-10-08 13:09:01 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2032205 | 2025-09-18 11:49:51 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2032205 | 2025-09-18 11:49:51 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2027089 | 2025-09-09 17:49:01 | 143.255.151.x/24 | 52573 | bra (Brazil) | yes | ✔ | blocked | received | /9 | Report | |
| 2027089 | 2025-09-09 17:49:01 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /16 | Report | ||
| 2027045 | 2025-09-09 16:51:57 | 2804:ce4:30xx::/40 | 52573 | bra (Brazil) | no | blocked | received | /24 | Report | ||
All results shown