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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
20900282026-01-05 15:42:302.146.4.x/2444244 (IranCell-AS)irn (Iran)yesblockedblockednoneReport
20806462025-12-17 11:41:552.146.4.x/2444244 (IranCell-AS)irn (Iran)yesblockedblockednoneReport
20718812025-12-02 08:48:532.146.4.x/2444244 (IranCell-AS)irn (Iran)yesblockedblockednoneReport
20718052025-12-02 06:01:312.146.4.x/2444244 (IranCell-AS)irn (Iran)yesblockedblockednoneReport
19969312025-07-17 11:56:092.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19924992025-07-09 16:43:442.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19892982025-07-03 17:47:392.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19858622025-06-27 18:33:242.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19856512025-06-27 11:59:212.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19842952025-06-25 09:50:442.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19830842025-06-23 12:32:572.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19798122025-06-17 06:28:262.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport
19786872025-06-15 06:10:252.146.4.x/2444244 (IranCell-AS)irn (Iran)yesrewrittenrewrittennoneReport

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