Logo

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
22667812026-11-11 11:49:33109.81.35.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22667812026-11-11 11:49:332a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22664892026-11-10 21:10:1731.30.172.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22650482026-11-08 12:58:4931.30.172.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22647462026-11-07 23:12:2491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22642712026-11-06 21:31:2491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22637362026-11-05 20:47:03109.81.89.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22630842026-11-04 19:54:52109.81.17.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22629652026-11-04 16:53:49147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedblockednoneReport
22610522026-11-01 12:09:1391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22610492026-11-01 11:52:0331.30.172.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22607112026-10-31 20:29:1391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22604862026-10-31 09:48:37109.81.23.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22604602026-10-31 09:04:3991.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22601702026-10-30 19:37:3291.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22595792026-10-29 18:48:5091.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22595772026-10-29 18:43:4991.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22592582026-10-29 08:02:1791.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22582952026-10-27 16:30:4931.30.172.x/2416019 (VODAFONE-CZ-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22578412026-10-26 21:05:25109.81.31.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22574002026-10-26 07:22:47147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedblockednoneReport
22571492026-10-25 16:44:0491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22571422026-10-25 16:03:34109.81.24.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22571422026-10-25 16:03:342a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22564902026-10-24 08:04:35104.28.216.x/2413335 (CLOUDFLARENET)cze (Czech Republic)yesunknownunknownnoneReport
22564002026-10-24 01:19:57109.81.29.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22564002026-10-24 01:19:572a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22560272026-10-23 10:05:41109.81.31.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22560272026-10-23 10:05:412a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22559432026-10-23 06:19:33212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22552992026-10-22 07:09:2091.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22550512026-10-21 20:24:4291.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22549972026-10-21 18:25:2791.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22548632026-10-21 14:24:08109.81.20.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22543432026-10-20 18:27:2091.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22537202026-10-19 18:24:0491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22531542026-10-18 18:13:0391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22527032026-10-17 20:03:1091.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22521862026-10-16 18:47:3491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22521512026-10-16 18:05:00109.81.18.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22516522026-10-16 05:24:4191.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22516472026-10-16 05:12:12212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22514332026-10-15 18:37:1490.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22513772026-10-15 17:04:0391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22510942026-10-15 10:52:5291.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22510792026-10-15 10:31:3991.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22509022026-10-15 04:56:2591.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22506482026-10-14 19:38:21109.81.23.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22499192026-10-13 18:01:5691.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22494152026-10-12 23:57:34109.81.28.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22492442026-10-12 18:02:1391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22487032026-10-11 18:10:5791.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22485682026-10-11 10:52:1291.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22482842026-10-10 21:46:54109.81.24.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22472562026-10-09 04:04:51212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22470152026-10-08 17:29:4890.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22464752026-10-07 19:33:3691.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22443452026-10-04 11:34:5190.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22431662026-10-02 02:57:36212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22427522026-10-01 12:46:5191.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22425802026-10-01 07:18:03109.81.21.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22425802026-10-01 07:18:032a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22419952026-09-30 10:51:2691.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22416072026-09-29 17:53:4491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22414612026-09-29 13:16:53109.81.89.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22414372026-09-29 12:30:4391.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22413752026-09-29 11:04:4991.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22413522026-09-29 10:25:1891.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22406462026-09-28 09:43:58109.81.83.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22402552026-09-27 10:28:0690.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22401772026-09-27 06:15:55109.81.80.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22401712026-09-27 05:54:08109.81.80.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22399992026-09-26 22:00:4390.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22397692026-09-26 11:25:32109.81.80.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22397662026-09-26 11:13:47109.81.80.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22397142026-09-26 07:39:02109.81.22.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22394592026-09-25 17:05:4091.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22392992026-09-25 12:51:5891.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22392812026-09-25 12:36:5890.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22387182026-09-24 14:19:24109.81.24.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22381032026-09-23 17:02:11109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22381032026-09-23 17:02:112a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22380702026-09-23 15:46:57109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22374172026-09-22 15:23:14212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22373672026-09-22 13:41:40147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedrewrittennoneReport
22372022026-09-22 09:24:20147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedblockednoneReport
22367432026-09-21 13:04:56147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedblockednoneReport
22365722026-09-21 07:31:49147.229.186.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedrewrittennoneReport
22357202026-09-19 08:16:30109.81.18.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22354952026-09-18 17:34:5691.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22354362026-09-18 15:03:4891.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22354202026-09-18 14:11:4491.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22349412026-09-17 20:30:1690.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22347512026-09-17 13:33:34109.81.32.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22347512026-09-17 13:33:342a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22341822026-09-16 14:36:07109.81.24.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22335112026-09-15 14:14:56212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
22328752026-09-14 14:53:54147.229.117.x/24197451 (VUTBR-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22327552026-09-14 11:51:52147.229.117.x/24197451 (VUTBR-AS)cze (Czech Republic)yesrewrittenrewrittennoneReport
22326192026-09-14 08:15:15147.229.117.x/24197451 (VUTBR-AS)cze (Czech Republic)yesblockedblockednoneReport
22312272026-09-11 12:45:3991.236.40.x/2457904 (ASVEVYNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
22308722026-09-10 19:23:0490.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22308642026-09-10 19:13:5390.177.129.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22307432026-09-10 15:17:28109.81.17.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22307432026-09-10 15:17:282a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
22302162026-09-09 18:10:49109.81.83.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22301942026-09-09 17:29:07109.81.83.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
22301702026-09-09 16:55:46109.81.83.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport

Next 100
Last Modified