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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
12881992022-01-10 22:21:0547.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12846002022-01-03 21:14:2847.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12801252021-12-27 20:07:4247.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12689052021-12-13 16:41:5547.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12647542021-12-06 15:35:0347.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12543702021-11-22 12:09:0747.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12505982021-11-15 11:02:1747.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12465492021-11-08 09:55:3047.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12426442021-11-01 08:48:3847.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12425472021-11-01 04:06:468.130.179.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)sgp (Singapore)yesblockedblockednoneReport
12385072021-10-25 07:41:5147.100.92.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
12384082021-10-25 02:59:498.130.179.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)sgp (Singapore)yesblockedblockednoneReport
12384002021-10-25 02:47:378.130.179.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)sgp (Singapore)yesblockedblockednoneReport
10173992020-10-30 02:29:27106.11.34.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
10116292020-10-22 01:58:04106.11.34.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
8770012020-04-13 03:24:40101.200.199.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
7170272019-07-16 19:20:2147.105.143.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
5231862018-08-23 05:59:21120.79.132.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesunknownunknownnoneReport
3645412017-12-02 01:54:14121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3599532017-11-25 00:46:52121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3559792017-11-17 23:24:34121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3513742017-11-10 22:17:16121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3471092017-11-03 21:10:01121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3427242017-10-27 20:02:45121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3384182017-10-20 18:55:24121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3339452017-10-13 17:48:08121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3295072017-10-06 16:25:52121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3257742017-09-29 15:18:30121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3213012017-09-22 14:11:07121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3169432017-09-15 13:03:46121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3121182017-09-08 11:56:23121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3077932017-09-01 10:49:04121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
3019732017-08-23 06:59:43121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2958462017-08-13 02:09:47121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2906612017-08-06 01:02:37121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2854502017-07-29 23:55:25121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2798062017-07-22 22:48:16121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2740012017-07-15 21:41:04121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2681622017-07-08 20:33:49121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2624722017-07-01 19:26:38121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2564872017-06-24 18:19:22121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2505722017-06-17 17:12:13121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
2443972017-06-10 16:04:49121.40.228.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
1210672017-01-01 05:39:59120.27.224.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
1019502016-11-30 12:48:20123.56.189.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
578752016-06-07 10:34:56120.27.38.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
567612016-05-18 07:51:33139.196.49.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport
565582016-05-10 10:20:41101.201.37.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)noblockedblockednoneReport

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