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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
3924642018-01-17 01:06:2061.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3880182018-01-09 23:59:3661.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3830252018-01-02 00:38:1861.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3790412017-12-25 06:46:2161.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3750762017-12-18 05:39:3761.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3703272017-12-11 04:17:5161.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3656692017-12-04 03:11:0361.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3610042017-11-27 02:04:1661.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3570942017-11-20 00:57:3261.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3524492017-11-12 23:50:3661.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3471822017-11-04 00:23:2061.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3423612017-10-27 05:41:5761.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3379842017-10-20 04:20:1261.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3335682017-10-13 03:13:2861.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3291402017-10-06 02:06:4361.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3254302017-09-29 01:00:0061.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3209082017-09-21 23:53:1661.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3160952017-09-14 11:30:1361.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3112342017-09-07 04:32:1061.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3069772017-08-31 03:25:2961.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
3025262017-08-24 02:03:4761.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2982762017-08-17 00:57:0661.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2937442017-08-09 23:50:1861.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2880142017-08-02 09:29:4761.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2824272017-07-26 08:22:5961.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2767852017-07-19 07:15:5861.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2708512017-07-12 06:09:1461.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2652002017-07-05 05:02:3161.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2591942017-06-28 03:55:4761.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2534632017-06-21 02:49:0361.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2525222017-06-20 01:35:3261.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2461962017-06-13 00:28:4561.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2397282017-06-05 09:42:1561.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2335682017-05-29 08:35:3061.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2270942017-05-22 06:03:4361.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2202122017-05-15 04:42:0261.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2129222017-05-08 03:35:2861.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport
2053582017-05-01 02:28:4461.25.255.x/249824 (JTCL-JP-AS)jpn (Japan)yesrewrittenrewrittennoneReport

All results shown
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