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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
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
16412802023-09-19 03:23:3846.135.31.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16411652023-09-18 20:11:34195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16410822023-09-18 17:27:3681.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16406892023-09-18 02:59:31212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16406782023-09-18 01:46:31212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16375482023-09-12 10:06:40193.85.230.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesblockedblockednoneReport
16372072023-09-11 17:18:09195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16371782023-09-11 16:21:1081.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16369662023-09-11 09:16:0089.24.97.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16368172023-09-11 00:26:24212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16368172023-09-11 00:26:242a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16363512023-09-09 21:11:2277.240.108.x/2442189 (EUROSIGNAL-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16345522023-09-06 06:44:24212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16341482023-09-05 13:25:05195.122.192.x/2429208 (DIALTELECOM-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16339772023-09-05 07:03:0790.182.211.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
16339752023-09-05 06:56:58109.72.3.x/2449767 (INTERNETPB-AS)cze (Czech Republic)yesrewrittenreceived/17Report
16336412023-09-04 15:11:43195.47.2.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16336332023-09-04 14:58:5281.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16330002023-09-03 06:17:21194.108.129.x/2413036 (TMOBILE-CZ)cze (Czech Republic)yesrewrittenrewrittennoneReport
16325882023-09-02 03:48:08185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16325482023-09-02 00:01:31185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16313702023-08-31 00:36:39185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16308922023-08-30 05:37:44212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16299712023-08-28 13:10:4781.90.251.x/2439761 (ABAK)cze (Czech Republic)yesrewrittenrewrittennoneReport
16295842023-08-27 21:00:48212.79.106.x/248251 (NFX_ZSPO)cze (Czech Republic)yesblockedblockednoneReport
16295842023-08-27 21:00:482a0f:b780:2fxx::/4049095 (P12com)cze (Czech Republic)noblockedblocked/56Report
16292792023-08-27 06:03:33185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16288882023-08-26 08:15:2790.177.47.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
16287142023-08-25 21:42:17185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16282432023-08-25 08:08:0646.135.84.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
16270262023-08-23 04:31:01212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
16262982023-08-21 20:43:39185.216.35.x/249009 (M247)cze (Czech Republic)yesblockedblockednoneReport
16261912023-08-21 16:43:2294.113.123.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesblockedblockednoneReport

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