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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
3136732017-09-11 00:35:2624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3125102017-09-09 00:25:0824.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3123742017-09-08 19:15:0024.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3122462017-09-08 15:24:3324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3117212017-09-07 18:36:1124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3053642017-08-28 17:14:0324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3049242017-08-28 01:18:1424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3047612017-08-27 16:20:2524.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3042012017-08-26 12:41:1924.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3035562017-08-25 13:51:5924.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3031082017-08-24 21:03:0024.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3021772017-08-23 14:29:1624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3018432017-08-23 01:13:2124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3016472017-08-22 18:12:3224.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3009322017-08-21 15:12:2524.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3006342017-08-21 05:06:0324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3005522017-08-21 00:29:3124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3003162017-08-20 13:54:0424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2999982017-08-19 22:06:3624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2998492017-08-19 15:49:4324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2994352017-08-18 20:12:3624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2987452017-08-17 18:22:4324.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2978602017-08-16 12:03:2724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2976302017-08-16 02:16:2724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2976042017-08-16 01:11:3224.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2971942017-08-15 12:11:4724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2967372017-08-14 16:25:5624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2961322017-08-13 15:06:2924.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2958162017-08-13 00:21:4024.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2956282017-08-12 15:34:5524.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2950722017-08-11 17:06:5124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2945042017-08-10 21:43:2524.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2941022017-08-10 12:26:2624.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2936072017-08-09 20:04:0324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2923912017-08-08 12:25:4424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2920092017-08-07 23:13:3324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2909832017-08-06 14:18:0824.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2906232017-08-06 00:07:2324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2903902017-08-05 13:25:1024.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2896702017-08-04 12:26:5124.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2889362017-08-03 11:51:2724.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2885782017-08-03 01:29:4424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2884912017-08-02 22:19:3724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2876432017-08-01 21:17:3124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2869342017-08-01 00:54:4024.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2864622017-07-31 12:12:1924.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2860612017-07-31 00:05:5524.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2857982017-07-30 14:28:3224.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2851652017-07-29 14:41:2424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2845332017-07-28 15:48:5124.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2843642017-07-28 12:17:4424.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2837372017-07-27 18:12:3024.140.63.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
2829492017-07-26 22:36:2424.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2825392017-07-26 11:50:5024.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2817132017-07-25 11:44:2324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2812772017-07-24 21:22:1724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2802292017-07-23 15:03:5624.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2797402017-07-22 19:37:0324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2791992017-07-22 01:10:1724.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2787902017-07-21 11:48:2524.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2782892017-07-20 21:04:2024.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2769872017-07-19 12:23:5324.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2761122017-07-18 12:57:2024.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2757132017-07-18 01:11:5224.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2619762017-07-01 03:33:4524.140.63.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport

All results shown
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