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
21304222026-03-17 12:46:042a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21303992026-03-17 12:24:192a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21266162026-03-10 12:18:362a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21247522026-03-06 20:31:492a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21216772026-03-01 12:53:222a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21208782026-02-27 15:53:412a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21189622026-02-24 10:54:352a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21187072026-02-23 23:57:342a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21187002026-02-23 23:13:212a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21186882026-02-23 22:43:262a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
21186122026-02-23 20:44:202a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report
20292402025-09-12 21:36:142a00:1fa0:5xx::/408359 (MTS)rus (Russian Federation)noblockedblocked/64Report

All results shown
Last Modified