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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
20738132025-12-05 16:05:23113.16.139.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20738022025-12-05 15:40:54222.134.127.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20738022025-12-05 15:40:542408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20737922025-12-05 15:25:04222.134.127.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20737922025-12-05 15:25:042408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20736552025-12-05 11:40:41222.134.127.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20736552025-12-05 11:40:412408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20736072025-12-05 09:40:27222.134.127.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20736072025-12-05 09:40:272408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20735502025-12-05 06:32:3742.92.165.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20734812025-12-05 03:03:09120.227.35.x/2456047 (CMNET-Hunan-AP)chn (China)yesrewrittenrewrittennoneReport
20734772025-12-05 02:21:22120.227.35.x/2456047 (CMNET-Hunan-AP)chn (China)yesrewrittenrewrittennoneReport
20734692025-12-05 01:59:36120.227.35.x/2456047 (CMNET-Hunan-AP)chn (China)yesrewrittenrewrittennoneReport
20732202025-12-04 15:19:39120.244.190.x/2456048 (CMNET-BEIJING-AP)chn (China)yesrewrittenrewrittennoneReport
20730532025-12-04 08:30:1058.206.207.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20730532025-12-04 08:30:102001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/32Report
20730462025-12-04 08:18:06113.116.179.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20730362025-12-04 07:55:19113.116.179.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20730332025-12-04 07:42:37113.116.179.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20730262025-12-04 07:22:59113.116.179.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20730142025-12-04 06:24:10218.58.62.x/244837 (CHINA169-Backbone)chn (China)yesunknownunknownnoneReport
20729602025-12-04 01:16:5542.92.161.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20724872025-12-03 09:35:13113.116.179.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20724712025-12-03 08:50:3942.92.163.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20724402025-12-03 07:07:092408:8340:9axx::/404837 (CHINA169-Backbone)chn (China)nounknownunknownnoneReport
20721312025-12-02 16:17:34202.112.237.x/244538 (ERX-CERNET-BKB)chn (China)noreceivedreceived/8Report
20721312025-12-02 16:17:342001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/16Report
20721112025-12-02 15:34:18202.112.237.x/244538 (ERX-CERNET-BKB)chn (China)noreceivedreceived/8Report
20721112025-12-02 15:34:182001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/16Report
20720952025-12-02 15:11:00202.112.237.x/244538 (ERX-CERNET-BKB)chn (China)noreceivedreceived/8Report
20720952025-12-02 15:11:002001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/16Report
20720872025-12-02 14:57:42202.112.237.x/244538 (ERX-CERNET-BKB)chn (China)noreceivedreceived/8Report
20720872025-12-02 14:57:422001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/16Report
20720392025-12-02 13:50:36202.120.234.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewritten/19Report
20720102025-12-02 13:07:41202.120.234.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewritten/19Report
20719932025-12-02 12:44:44202.120.234.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewritten/19Report
20719862025-12-02 12:31:51202.120.234.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewritten/19Report
20718732025-12-02 08:29:0536.101.118.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20718632025-12-02 08:17:1336.101.118.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20718612025-12-02 08:09:3042.88.8.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20717562025-12-02 02:36:5858.206.207.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20717562025-12-02 02:36:582001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/32Report
20713162025-12-01 12:01:48117.28.251.x/244809 (CHINATELECOM-CORE-WAN-CN2)chn (China)yesblockedblocked/25Report
20713162025-12-01 12:01:482001:da8:e8xx::/4024368 (CNGI-XMN-IX-AS-AP)chn (China)noblockedblocked/48Report
20711992025-12-01 07:55:582001:250:2xx::/404538 (ERX-CERNET-BKB)chn (China)noblockedblocked/48Report
20711652025-12-01 05:52:3742.92.161.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20711432025-12-01 04:47:44222.134.127.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20711432025-12-01 04:47:442408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20711072025-12-01 02:37:5558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710892025-12-01 01:54:3558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710822025-12-01 01:31:1658.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710782025-12-01 01:17:5558.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20710492025-11-30 22:32:1047.108.137.x/2437963 (CNNIC-ALIBABA-CN-NET-AP)chn (China)yesblockedblockednoneReport
20709442025-11-30 13:38:10221.1.8.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20709442025-11-30 13:38:102408:8215:15xx::/404837 (CHINA169-Backbone)chn (China)noblockedblocked/64Report
20708562025-11-30 09:30:4127.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20708352025-11-30 08:59:03223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20708062025-11-30 08:16:07223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20707982025-11-30 07:53:18223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20704132025-11-29 13:33:51223.101.251.x/2456044 (CMNET-AS-Liaoning)chn (China)yesblockedblockednoneReport
20704132025-11-29 13:33:512409:8a14:a8xx::/4056044 (CMNET-AS-Liaoning)chn (China)noblockedblocked/64Report
20703872025-11-29 12:14:04112.9.32.x/2424444 (CMNET-V4shandong-AS-AP)chn (China)yesblockedblockednoneReport
20702552025-11-29 03:30:082001:250:2xx::/404538 (ERX-CERNET-BKB)chn (China)noblockedblocked/48Report
20699372025-11-28 14:57:15221.7.135.x/244837 (CHINA169-Backbone)chn (China)yesrewrittenrewrittennoneReport
20698082025-11-28 11:09:32120.244.188.x/2456048 (CMNET-BEIJING-AP)chn (China)yesunknownunknownnoneReport
20698082025-11-28 11:09:322409:8a00:1axx::/4056048 (CMNET-BEIJING-AP)chn (China)nounknownunknownnoneReport
20697842025-11-28 10:16:4058.206.200.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/28Report
20697742025-11-28 09:39:452409:8a60:5axx::/409808 (CMNET-GD)chn (China)noblockedblocked/32Report
20696412025-11-28 02:36:1727.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20696392025-11-28 02:32:2658.206.200.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20696302025-11-28 02:12:5327.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20696172025-11-28 01:59:5127.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20696122025-11-28 01:49:0858.206.200.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20696042025-11-28 01:25:4758.206.200.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20695992025-11-28 01:12:2458.206.200.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20695782025-11-28 00:24:2742.92.163.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20693192025-11-27 14:11:53120.244.191.x/2456048 (CMNET-BEIJING-AP)chn (China)yesrewrittenrewrittennoneReport
20693102025-11-27 13:49:04120.244.191.x/2456048 (CMNET-BEIJING-AP)chn (China)yesrewrittenrewrittennoneReport
20693012025-11-27 13:36:19120.244.191.x/2456048 (CMNET-BEIJING-AP)chn (China)yesrewrittenrewrittennoneReport
20692082025-11-27 10:49:3358.206.201.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/16Report
20684892025-11-26 08:16:4636.101.117.x/244134 (CHINANET-BACKBONE)chn (China)yesblockedblockednoneReport
20684892025-11-26 08:16:46240e:314:e2xx::/404134 (CHINANET-BACKBONE)chn (China)noblockedblocked/64Report
20684762025-11-26 07:46:19113.116.176.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20684712025-11-26 07:23:41113.116.176.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20684702025-11-26 07:21:49223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20684682025-11-26 07:11:01113.116.176.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20684672025-11-26 07:09:04223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20684662025-11-26 07:07:092408:8240:9axx::/404837 (CHINA169-Backbone)chn (China)nounknownunknownnoneReport
20684642025-11-26 07:06:08111.172.6.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20684432025-11-26 05:43:1427.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20684122025-11-26 03:03:0127.46.103.x/2417623 (CNCGROUP-SZ)chn (China)yesunknownunknownnoneReport
20684052025-11-26 02:35:08223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20683912025-11-26 01:52:11223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20683842025-11-26 01:29:19223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20683792025-11-26 01:16:23223.104.41.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20683732025-11-26 01:03:2158.206.203.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/11Report
20682352025-11-25 19:04:09120.244.191.x/2456048 (CMNET-BEIJING-AP)chn (China)yesrewrittenrewrittennoneReport
20681122025-11-25 13:49:36202.112.237.x/244538 (ERX-CERNET-BKB)chn (China)noreceivedreceived/8Report
20681122025-11-25 13:49:362001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/16Report
20680222025-11-25 11:24:03202.120.234.x/244538 (ERX-CERNET-BKB)chn (China)yesrewrittenrewritten/19Report
20679332025-11-25 07:25:49111.172.6.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20679132025-11-25 06:29:22113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20679112025-11-25 06:25:19223.104.44.x/2456048 (CMNET-BEIJING-AP)chn (China)yesblockedblockednoneReport
20678862025-11-25 04:59:42113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20678722025-11-25 04:17:04113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20678672025-11-25 03:54:27113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20678652025-11-25 03:41:49113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20678332025-11-25 01:29:1858.206.207.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20678332025-11-25 01:29:182001:da8:2xx::/4023910 (CNGI-CERNET2-AS-AP)chn (China)noreceivedreceived/32Report
20678302025-11-25 01:22:072001:250:2xx::/404538 (ERX-CERNET-BKB)chn (China)noblockedblocked/48Report
20678292025-11-25 01:16:5758.206.202.x/244538 (ERX-CERNET-BKB)chn (China)noblockedreceived/10Report
20674222025-11-24 12:06:16113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20674072025-11-24 11:53:33113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20673782025-11-24 10:53:38117.28.251.x/244809 (CHINATELECOM-CORE-WAN-CN2)chn (China)yesblockedblocked/25Report
20673782025-11-24 10:53:382001:da8:e8xx::/4024368 (CNGI-XMN-IX-AS-AP)chn (China)noblockedblocked/48Report
20673612025-11-24 10:01:52113.92.156.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20673532025-11-24 09:48:11113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20673412025-11-24 09:05:36113.92.156.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport
20673302025-11-24 08:41:59113.116.177.x/244134 (CHINANET-BACKBONE)chn (China)yesrewrittenrewrittennoneReport

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