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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
12781662021-12-23 16:27:4785.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12781662021-12-23 16:27:472a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12707492021-12-16 12:30:1385.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12707492021-12-16 12:30:132a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12665472021-12-09 11:07:3285.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12665472021-12-09 11:07:322a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12560632021-11-25 07:43:1885.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12560632021-11-25 07:43:182a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12523042021-11-18 06:35:0485.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12523042021-11-18 06:35:042a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12483662021-11-11 05:13:4185.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12483662021-11-11 05:13:412a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12483632021-11-11 05:08:1885.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12483632021-11-11 05:08:182a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12479042021-11-10 13:38:2685.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12479042021-11-10 13:38:262a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12450782021-11-05 10:14:1785.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12438732021-11-03 12:30:5985.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12438732021-11-03 12:30:592a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12401572021-10-27 16:11:1985.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12401572021-10-27 16:11:192a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12356522021-10-20 15:04:0285.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12356522021-10-20 15:04:022a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12356162021-10-20 14:07:2889.47.182.x/24207375 (FIBO)bgr (Bulgaria)yesblockedblockednoneReport
12311282021-10-13 12:59:5585.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12311282021-10-13 12:59:552a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12269142021-10-06 11:52:1085.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
12269142021-10-06 11:52:102a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
12209812021-09-27 06:51:1889.47.182.x/24207375 (FIBO)bgr (Bulgaria)yesblockedblockednoneReport
12209812021-09-27 06:51:182a00:bba0:12xx::/40207375 (FIBO)bgr (Bulgaria)noblockedblocked/56Report
12048712021-08-28 15:35:5085.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
12048712021-08-28 15:35:502a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11968242021-08-14 16:07:5085.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
11968242021-08-14 16:07:502a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11890632021-07-31 18:24:2385.204.109.x/24207375 (FIBO)nld (Netherlands)yesunknownunknownnoneReport
11890632021-07-31 18:24:232a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11889972021-07-31 15:53:5985.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
11871442021-07-28 08:48:1489.47.182.x/24207375 (FIBO)bgr (Bulgaria)yesblockedblockednoneReport
11871442021-07-28 08:48:142a00:bba0:12xx::/40207375 (FIBO)bgr (Bulgaria)noblockedblocked/56Report
11850782021-07-24 08:32:4085.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11850782021-07-24 08:32:402a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11718122021-07-04 10:06:5785.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11718122021-07-04 10:06:572a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11665922021-06-25 09:14:3385.204.109.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
11650802021-06-21 06:52:1385.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11650802021-06-21 06:52:132a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11587492021-06-10 15:30:5585.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11587492021-06-10 15:30:552a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11546042021-06-03 12:01:2885.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11546042021-06-03 12:01:282a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11544982021-06-03 08:13:3586.105.232.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11544982021-06-03 08:13:352a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11460132021-05-19 15:54:0685.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11460132021-05-19 15:54:062a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11385722021-05-07 14:47:5585.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11385722021-05-07 14:47:552a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11335012021-04-28 21:41:1685.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11335012021-04-28 21:41:162a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11277292021-04-21 18:53:3685.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11277292021-04-21 18:53:362a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11214652021-04-11 09:08:1785.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11214652021-04-11 09:08:172a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11164412021-04-02 17:44:2585.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11164412021-04-02 17:44:252a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11140542021-03-30 08:17:1784.247.45.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
11140542021-03-30 08:17:172a00:bba0:11xx::/40207375 (FIBO)nld (Netherlands)noblockedblocked/56Report
11140512021-03-30 08:12:3584.247.45.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
11120842021-03-26 16:37:0785.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11120842021-03-26 16:37:072a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11119732021-03-26 13:20:1386.105.232.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11119732021-03-26 13:20:132a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11083572021-03-20 18:02:1385.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11083572021-03-20 18:02:132a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11075392021-03-19 09:32:4386.105.232.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11075392021-03-19 09:32:432a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11062332021-03-17 09:49:0286.105.232.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11062332021-03-17 09:49:022a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
11062252021-03-17 09:32:2486.105.232.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11040002021-03-13 16:54:2785.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
11040002021-03-13 16:54:272a00:bba0:12xx::/40207375 (FIBO)nld (Netherlands)noreceivedreceived/16Report
10918272021-02-23 13:42:1884.247.44.x/24207375 (FIBO)nld (Netherlands)yesblockedblockednoneReport
10918272021-02-23 13:42:182a00:bba0:11xx::/40207375 (FIBO)nld (Netherlands)noblockedblocked/56Report
10894142021-02-19 20:29:5685.204.109.x/24207375 (FIBO)nld (Netherlands)yesrewrittenreceivednoneReport
10567582021-01-04 14:26:4784.247.44.x/24207375 (FIBO)bgr (Bulgaria)yesblockedblockednoneReport
10567582021-01-04 14:26:472a00:bba0:11xx::/40207375 (FIBO)bgr (Bulgaria)noblockedblocked/64Report

All results shown
Last Modified