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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
16538322023-10-12 14:41:3480.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
16538322023-10-12 14:41:342a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16538242023-10-12 14:26:5480.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16538242023-10-12 14:26:542a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16538172023-10-12 14:07:5780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16538172023-10-12 14:07:572a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16538062023-10-12 13:45:0380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16538062023-10-12 13:45:032a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16538012023-10-12 13:37:0980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16538012023-10-12 13:37:092a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16532282023-10-11 14:11:3880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16532282023-10-11 14:11:382a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
16498362023-10-05 09:49:0280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
16498362023-10-05 09:49:022a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noblockedblocked/64Report
16494002023-10-04 13:04:5180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
16494002023-10-04 13:04:512a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14999922022-12-25 16:27:21217.11.239.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14813172022-11-19 10:55:39217.11.239.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14695842022-11-02 09:46:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14695842022-11-02 09:46:012a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14695782022-11-02 09:34:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14695782022-11-02 09:34:012a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14684862022-10-31 12:48:0380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14671012022-10-28 18:08:0780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14644902022-10-24 11:41:4280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14631842022-10-21 17:11:3780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14565762022-10-13 19:55:0780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14565622022-10-13 19:28:3680.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14548042022-10-11 00:03:3880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14545162022-10-10 13:54:3980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14505082022-10-03 12:48:1780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504982022-10-03 12:31:5080.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504972022-10-03 12:27:2680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14504912022-10-03 12:20:4880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14503922022-10-03 08:12:2380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14491202022-09-30 15:10:3280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14459782022-09-23 12:20:0880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14459212022-09-23 10:40:5480.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14459212022-09-23 10:40:542a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14426332022-09-18 07:18:1580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14416382022-09-16 09:33:4580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14416382022-09-16 09:33:452a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14372442022-09-09 08:27:0480.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14372442022-09-09 08:27:042a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14315372022-09-01 02:51:2580.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14277382022-08-26 09:08:5880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14267782022-08-25 00:08:4780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14256042022-08-23 11:57:4280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14256042022-08-23 11:57:422a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14214052022-08-17 21:59:2880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14197282022-08-16 10:50:5880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14197282022-08-16 10:50:582a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14147502022-08-09 22:40:0880.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14144402022-08-09 09:44:0980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14144402022-08-09 09:44:092a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14110442022-08-02 08:37:2580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14110442022-08-02 08:37:252a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14099422022-07-30 22:01:5880.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14074742022-07-26 07:30:4180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14074742022-07-26 07:30:412a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
14069182022-07-25 08:11:1280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
14063442022-07-23 20:47:2380.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
14014752022-07-16 11:21:5580.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13985322022-07-11 08:19:1880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
13973482022-07-08 15:19:4880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
13935282022-07-01 14:20:5380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
13935122022-07-01 13:41:4280.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
13935122022-07-01 13:41:422a01:6400:xx::/4021430 (WIA-AS)cze (Czech Republic)noreceivedreceived/16Report
13925672022-06-29 22:45:5780.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13864782022-06-22 16:53:1980.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13863452022-06-22 12:07:5180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13862872022-06-22 10:15:3380.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13852902022-06-20 14:10:5731.7.247.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13824632022-06-15 09:09:1880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
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
13807902022-06-12 08:59:0180.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
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
13756712022-06-04 17:57:3280.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13744422022-06-02 07:25:3931.7.247.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
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
13719572022-05-28 16:40:3680.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
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
13673882022-05-19 21:22:0580.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13658852022-05-17 08:44:4980.250.17.x/2421430 (WIA-AS)cze (Czech Republic)noblockedreceived/8Report
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
13599572022-05-08 00:43:0880.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
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
13559822022-04-30 18:43:1180.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
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
13527952022-04-22 15:06:5680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
13513222022-04-20 00:03:4880.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
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
13484602022-04-14 12:19:5780.250.28.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedblockednoneReport
13426982022-04-06 23:02:0680.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
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
13383682022-03-30 07:32:1980.250.1.x/2421430 (WIA-AS)cze (Czech Republic)yesblockedreceived/8Report
3986392018-01-26 09:38:3180.250.0.x/2421430 (WIA-AS)cze (Czech Republic)yesreceivedreceived/8Report
706372016-09-19 11:40:4080.250.11.x/2421430 (WIA-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
697962016-09-15 08:12:5580.250.11.x/2421430 (WIA-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport

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