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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
13824632022-06-15 09:09:1880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13823012022-06-15 02:22:24188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13821222022-06-14 19:35:4685.160.43.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13818662022-06-14 11:00:3580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13817692022-06-14 07:43:4980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13817692022-06-14 07:43:492a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13817542022-06-14 07:01:0680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13815272022-06-13 18:43:4881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13807902022-06-12 08:59:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13775742022-06-08 10:38:3181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13773982022-06-08 01:16:00188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13771892022-06-07 17:13:3085.160.13.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13764472022-06-06 10:36:3980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13764472022-06-06 10:36:392a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13764182022-06-06 09:13:5881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13756712022-06-04 17:57:3280.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13749412022-06-03 05:02:0146.135.77.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13745172022-06-02 10:29:3781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13744422022-06-02 07:25:3931.7.247.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13737152022-06-01 00:09:43188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13734662022-05-31 15:12:4185.160.37.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13726892022-05-30 09:29:5580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13726892022-05-30 09:29:552a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13726442022-05-30 08:07:3281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13719822022-05-28 17:38:4185.160.37.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13719572022-05-28 16:40:3680.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13700162022-05-24 23:03:19188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13697232022-05-24 12:28:5180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13697132022-05-24 12:18:3380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13691732022-05-23 14:31:2981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13687932022-05-22 19:52:59212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
13685552022-05-22 06:10:3381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13682962022-05-21 16:32:4285.160.4.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13673882022-05-19 21:22:0580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13665882022-05-18 12:46:1285.160.6.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13662922022-05-17 21:57:01188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13660722022-05-17 14:51:4046.135.31.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13658852022-05-17 08:44:4980.250.17.x/2421430 (WIA-AS)cze (Czech Republic)noblockedreceived/8Report
13637982022-05-15 00:25:4981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13625922022-05-12 13:09:0985.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13619392022-05-11 11:59:3680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13619392022-05-11 11:59:362a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13618452022-05-11 07:38:4781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13615822022-05-10 20:50:30188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13612562022-05-10 11:50:4585.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13610642022-05-10 04:36:1081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13606722022-05-09 13:43:3181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13606272022-05-09 12:27:3985.160.45.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13599572022-05-08 00:43:0880.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13597532022-05-07 10:20:2385.160.36.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13589492022-05-05 23:04:11212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13579402022-05-04 18:30:4431.30.174.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13577202022-05-04 10:52:4980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13577202022-05-04 10:52:492a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13576962022-05-04 09:59:0880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13573542022-05-03 16:49:42188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13572792022-05-03 13:43:4081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13571252022-05-03 07:12:13188.75.144.x/24196735 (AS-JONCZ)cze (Czech Republic)yesunknownunknownnoneReport
13566722022-05-02 11:49:4081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13559822022-04-30 18:43:1180.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13555452022-04-29 20:07:1585.160.37.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13551422022-04-29 03:19:508.40.30.x/2413335 (CLOUDFLARENET)cze (Czech Republic)yesunknownunknownnoneReport
13550492022-04-28 21:57:18212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13547582022-04-28 11:33:3246.135.46.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13547502022-04-28 11:17:3846.135.46.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13547142022-04-28 09:56:5246.135.46.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
13541182022-04-27 08:52:2280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13541182022-04-27 08:52:222a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13540792022-04-27 07:27:2781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13539052022-04-26 20:54:44212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13527952022-04-22 15:06:5680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13523762022-04-21 18:52:5185.160.40.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13514462022-04-20 06:21:0681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13513222022-04-20 00:03:4880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13512202022-04-19 19:48:20212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13512122022-04-19 19:34:55212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13512072022-04-19 19:30:56212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13510652022-04-19 15:49:11212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13507592022-04-19 07:45:2980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13507592022-04-19 07:45:292a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13507372022-04-19 07:05:0780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13506082022-04-19 01:18:45188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13488542022-04-15 07:08:22212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
13485412022-04-14 15:37:05212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13484602022-04-14 12:19:5780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13483572022-04-14 07:56:2385.160.39.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13482552022-04-14 00:20:13212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13477232022-04-13 03:46:3990.182.8.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
13470712022-04-12 00:12:27188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13426982022-04-06 23:02:0680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13424712022-04-06 14:03:0785.160.40.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13422862022-04-06 08:00:3680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13422862022-04-06 08:00:362a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedreceived/16Report
13420562022-04-05 21:42:0081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13414812022-04-04 23:06:11188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13394832022-04-01 02:04:36212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13383682022-03-30 07:32:1980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13381402022-03-29 20:35:2881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13354262022-03-27 13:49:1989.24.49.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
13351472022-03-26 19:35:4381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13339262022-03-24 16:06:5881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13339072022-03-24 15:22:4481.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13322562022-03-22 01:30:49212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13267182022-03-17 19:30:4981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
13264002022-03-17 07:41:3985.160.42.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
13251082022-03-15 00:24:27212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
13246862022-03-14 10:45:39188.122.201.x/2457728 (HELIOSMB-AS)cze (Czech Republic)yesrewrittenreceivednoneReport
13243132022-03-13 15:27:1781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport

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