Logo

Recent tests

Result filters: AS numbers or (partial) names: Country codes: Only show non-remediated spoofing
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

SessionTimestamp (UTC)Client IP BlockASNCountryNATOutbound
Private
Status
Outbound
Routable
Status
Adj Spoof
Prefix Len
Results
18978372025-01-22 05:18:3445.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18970342025-01-21 00:13:2145.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18951582025-01-17 12:23:3845.4.121.x/24266071bra (Brazil)yesrewrittenrewrittennoneReport
18916982025-01-10 22:12:4645.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18909052025-01-09 12:18:3145.4.121.x/24266071bra (Brazil)yesrewrittenrewrittennoneReport
18900822025-01-07 18:25:5145.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18876582025-01-02 23:12:5045.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18824292024-12-22 17:18:0045.4.121.x/24266071bra (Brazil)yesrewrittenrewrittennoneReport
18726712024-12-05 00:54:4945.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18672962024-11-26 00:04:3545.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport
18623032024-11-16 22:22:5545.4.121.x/24266071bra (Brazil)yesblockedblockednoneReport

All results shown
Last Modified