Logo

Recent tests

| Spoofer Project Page   Download Client Software   FAQ   API   Notifications   |
| Data:    Stats Summary   Recent Tests   Remediation   Results by AS   Results by Country  Results by Provider  |
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
20661242025-11-21 17:36:49187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport
20615502025-11-13 16:47:07187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport
20303762025-09-15 16:53:31187.109.21.x/2453112bra (Brazil)yesrewrittenrewrittennoneReport
20290272025-09-12 14:57:44187.109.21.x/2453112bra (Brazil)yesrewrittenblockednoneReport
19822442025-06-21 12:59:18187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport
19822292025-06-21 12:17:23187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport
19822082025-06-21 11:20:28187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport
14571802022-10-14 18:15:15187.109.21.x/2453112bra (Brazil)yesblockedblockednoneReport

All results shown
Last Modified