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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
20741632025-12-06 10:24:47109.81.28.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20741632025-12-06 10:24:472a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20741562025-12-06 09:40:2691.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20738562025-12-05 17:47:00109.81.26.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20738562025-12-05 17:47:002a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20714032025-12-01 14:32:33109.81.23.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20714032025-12-01 14:32:332a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20708642025-11-30 09:43:04109.81.89.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20708642025-11-30 09:43:042a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20705052025-11-29 17:10:51109.81.89.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20705052025-11-29 17:10:512a00:102b:50xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20699172025-11-28 14:26:16109.81.22.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20699172025-11-28 14:26:162a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20698972025-11-28 14:04:1891.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20693852025-11-27 16:43:13109.81.87.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesunknownunknownnoneReport
20693852025-11-27 16:43:132a00:102b:40xx::/405610 (O2-CZECH-REPUBLIC)cze (Czech Republic)noblockedblocked/64Report
20693382025-11-27 15:00:265.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20693382025-11-27 15:00:262a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20690812025-11-27 05:09:18212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20672822025-11-24 06:44:4091.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20670672025-11-23 18:10:4091.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20653982025-11-20 14:53:195.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20653982025-11-20 14:53:192a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20653662025-11-20 13:52:325.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20653662025-11-20 13:52:322a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20639462025-11-18 05:41:22212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20625272025-11-15 10:56:1391.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20614622025-11-13 14:06:0391.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20608042025-11-12 14:20:4491.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20560692025-10-30 13:53:1991.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20547832025-10-28 08:43:42212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20533202025-10-25 17:33:0790.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20533132025-10-25 17:19:0690.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20533092025-10-25 17:11:1490.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20533052025-10-25 17:05:2890.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20532912025-10-25 16:33:2390.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20532852025-10-25 16:18:1690.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20532502025-10-25 15:10:5890.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20532452025-10-25 14:59:1690.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20532442025-10-25 14:56:3290.177.53.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesrewrittenrewrittennoneReport
20526522025-10-24 12:52:0191.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20526252025-10-24 12:17:1291.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20520022025-10-23 12:53:4391.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20518032025-10-23 03:42:5591.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20511402025-10-22 03:48:0091.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20475282025-10-15 22:20:3991.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20469662025-10-15 03:39:5591.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20467592025-10-14 17:50:29212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20466312025-10-14 14:47:5991.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20453962025-10-12 11:36:2591.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20442682025-10-10 04:44:4891.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20428252025-10-07 16:41:53212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20405452025-10-03 03:36:1191.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20403142025-10-02 17:30:4391.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20391182025-09-30 15:33:30212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20381072025-09-29 03:28:175.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20381072025-09-29 03:28:172a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20369932025-09-26 20:56:5291.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20349442025-09-23 14:24:50212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20339922025-09-22 02:20:145.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20339922025-09-22 02:20:142a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20332312025-09-20 10:00:05212.192.243.x/24213035 (AS-SERVERION)cze (Czech Republic)noblockedblocked/24Report
20332312025-09-20 10:00:052a14:7581:30xx::/40207529cze (Czech Republic)nounknownunknownnoneReport
20330252025-09-19 19:48:4691.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20319392025-09-17 21:42:2491.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20319242025-09-17 20:54:1791.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20309472025-09-16 13:16:04212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20299482025-09-15 01:12:185.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20299482025-09-15 01:12:182a05:4140:xx::/400cze (Czech Republic)noreceivedreceived/16Report
20283982025-09-11 15:17:385.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20283912025-09-11 15:14:415.59.249.x/24212271 (C1VFIBER-NET)cze (Czech Republic)noblockedreceived/8Report
20283912025-09-11 15:14:412a05:4140:xx::/40212271 (C1VFIBER-NET)cze (Czech Republic)noreceivedreceived/16Report
20278382025-09-10 19:46:2791.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20268852025-09-09 12:07:21212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20241462025-09-04 12:07:3891.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20228332025-09-02 10:58:41212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20217092025-08-31 10:16:3691.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20189002025-08-26 09:50:17212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20183132025-08-25 10:07:3591.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20174792025-08-23 11:20:3291.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20164502025-08-21 12:38:3091.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20152722025-08-19 08:41:53212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20138932025-08-16 13:42:5191.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20135232025-08-15 16:29:5291.218.232.x/2451424 (ASAGNET)cze (Czech Republic)yesrewrittenrewrittennoneReport
20114132025-08-12 07:34:18212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20086452025-08-07 07:17:0280.188.15.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
20074572025-08-05 07:08:1680.188.15.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
20074392025-08-05 06:25:58212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
20071322025-08-04 19:10:4480.188.15.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
20071172025-08-04 18:45:0480.188.15.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
20069552025-08-04 13:33:0580.188.15.x/245610 (O2-CZECH-REPUBLIC)cze (Czech Republic)yesblockedblockednoneReport
20033432025-07-29 05:17:37212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19987162025-07-21 05:33:40212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19948182025-07-14 06:09:31212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19939882025-07-12 09:23:5479.127.185.x/24212238 (CDNEXT)cze (Czech Republic)yesunknownunknownnoneReport
19908312025-07-07 05:02:03212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19907172025-07-06 20:46:55212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19895382025-07-04 05:03:08212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19842532025-06-25 08:18:40212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19804672025-06-18 07:10:20212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19799872025-06-17 13:00:38176.96.226.x/24206804 (EstNOC-GLOBAL)cze (Czech Republic)yesblockedblockednoneReport
19778112025-06-13 07:08:03212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19736512025-06-06 05:59:45212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19730852025-06-05 07:38:55212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19717852025-06-03 10:24:3979.127.146.x/24212238 (CDNEXT)cze (Czech Republic)yesrewrittenrewrittennoneReport
19698612025-05-29 06:30:20212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19668792025-05-24 11:20:1979.127.146.x/24212238 (CDNEXT)cze (Czech Republic)yesrewrittenrewrittennoneReport
19656112025-05-22 12:07:1979.127.146.x/24212238 (CDNEXT)cze (Czech Republic)yesrewrittenrewrittennoneReport
19654552025-05-22 05:21:57212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19642482025-05-20 10:02:45212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19598462025-05-13 08:54:18212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19555022025-05-06 07:45:48212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19518562025-04-29 06:37:34212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19479492025-04-22 05:29:42212.111.9.x/2425424 (INEXT-CZ)cze (Czech Republic)yesblockedblockednoneReport
19401512025-04-06 09:48:07185.174.170.x/24206712 (FeldHost-AS)cze (Czech Republic)noblockedblockednoneReport
19401512025-04-06 09:48:072a0b:a901:xx::/40206712 (FeldHost-AS)cze (Czech Republic)noblockedblockednoneReport

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