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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
20718542025-12-02 07:45:12143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20623462025-11-14 22:03:18143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20566892025-10-31 14:14:36143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20566822025-10-31 14:02:31143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20556922025-10-29 20:38:57143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20555722025-10-29 17:45:26143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20510232025-10-21 21:37:14143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20503912025-10-20 21:00:55143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20503852025-10-20 20:52:46143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20503412025-10-20 19:46:50143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20503292025-10-20 19:32:37143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20503142025-10-20 19:16:32143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20488102025-10-18 00:20:11143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20486642025-10-17 18:56:05143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20486612025-10-17 18:46:08143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20472052025-10-15 12:38:11143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20471162025-10-15 08:57:25143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport
20402392025-10-02 14:58:27143.202.134.x/2453167bra (Brazil)yesblockedblockednoneReport

All results shown
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