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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
17085402024-01-26 00:33:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
17083682024-01-25 17:43:32194.149.111.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
17083522024-01-25 17:04:03194.149.111.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
17078882024-01-24 20:24:1581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
17054392024-01-19 15:36:5746.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
17045222024-01-17 18:57:0881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
17043122024-01-17 12:16:3681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
17037732024-01-16 13:18:0781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
17013452024-01-11 18:30:4146.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16999152024-01-09 12:11:3581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16976172024-01-04 17:24:1546.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16973872024-01-04 09:12:4381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16965622024-01-02 19:51:1881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16960212024-01-01 19:11:2581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16958882024-01-01 11:46:03212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16948962023-12-29 22:18:0181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16942052023-12-28 15:37:3446.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16924172023-12-24 13:48:02185.52.173.x/24202131 (Wave-net)cze (Czech Republic)yesunknownunknownnoneReport
16916932023-12-22 19:56:0146.135.22.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16898522023-12-19 13:29:5946.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16894252023-12-18 16:20:3381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16877672023-12-15 08:25:1746.135.10.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16861312023-12-12 13:15:4146.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16856122023-12-11 15:14:0681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16852252023-12-10 18:56:1881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16819022023-12-04 15:49:2146.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16814342023-12-03 17:49:4681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16807442023-12-01 21:33:55217.112.172.x/2420723 (MGI)cze (Czech Republic)yesrewrittenrewrittennoneReport
16785642023-11-28 06:39:2781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16781402023-11-27 13:47:1346.135.33.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16776812023-11-26 14:30:0346.135.33.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16763982023-11-23 20:31:1937.44.208.x/2442306 (EDERA_Group)cze (Czech Republic)yesunknownunknownnoneReport
16762382023-11-23 13:14:5546.135.42.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16761462023-11-23 10:01:12212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16749852023-11-21 13:07:0046.135.42.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16749132023-11-21 10:12:5281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16743582023-11-20 12:13:2081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16740532023-11-19 22:29:5046.135.91.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16739812023-11-19 18:47:2746.135.42.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16738612023-11-19 13:40:2446.135.42.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16735562023-11-18 16:30:4188.86.117.x/2439392 (SuperNetwork)cze (Czech Republic)yesblockedblockednoneReport
16722982023-11-16 08:53:40212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16705852023-11-13 10:25:4681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16703562023-11-12 21:21:2946.135.91.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16698642023-11-11 13:30:4881.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16688592023-11-09 17:44:0846.135.38.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16687472023-11-09 13:15:5746.135.88.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16687452023-11-09 13:13:2746.135.88.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport
16686242023-11-09 07:46:54212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16671032023-11-06 15:57:35195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16669182023-11-06 09:19:1981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16656342023-11-03 17:38:21213.235.133.x/2425512 (CDT-AS)cze (Czech Republic)yesunknownunknownnoneReport
16655582023-11-03 15:16:52213.235.133.x/2425512 (CDT-AS)cze (Czech Republic)yesunknownunknownnoneReport
16655512023-11-03 15:08:35213.235.133.x/2425512 (CDT-AS)cze (Czech Republic)yesunknownunknownnoneReport
16649892023-11-02 13:22:3646.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16648612023-11-02 06:40:06212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16640122023-10-31 19:24:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16631252023-10-30 08:03:1981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16629192023-10-29 19:47:45195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16628602023-10-29 16:53:0081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16610442023-10-26 06:41:5146.135.2.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16610222023-10-26 05:33:16212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16601532023-10-24 16:59:2746.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16587842023-10-21 23:55:2481.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16575872023-10-19 16:33:19195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16573032023-10-19 04:26:09212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16562772023-10-17 12:29:3446.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16560692023-10-17 02:26:0581.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16550222023-10-14 23:23:0181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
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
16535892023-10-12 03:18:48212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16533822023-10-11 19:14:38195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
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
16524352023-10-10 12:25:4446.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16519612023-10-09 16:32:0746.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16511542023-10-07 22:16:2781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
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
16497242023-10-05 02:10:28212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16494722023-10-04 14:57:58195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
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
16490202023-10-03 19:37:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16490092023-10-03 19:15:3781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16487602023-10-03 09:31:3062.168.35.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
16487342023-10-03 08:06:2762.168.35.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
16483452023-10-02 15:25:2446.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16475612023-09-30 07:26:3981.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16471202023-09-29 13:06:0946.135.34.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16465842023-09-28 13:41:45212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16454702023-09-26 16:57:48195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16449922023-09-25 19:54:5381.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16449722023-09-25 19:12:4181.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16449492023-09-25 18:34:3681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16434752023-09-22 18:17:21212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16426342023-09-21 10:53:17195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16412942023-09-19 04:46:05213.235.133.x/2425512 (CDT-AS)cze (Czech Republic)yesunknownunknownnoneReport
16412922023-09-19 04:33:53213.235.133.x/2425512 (CDT-AS)cze (Czech Republic)yesunknownunknownnoneReport

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