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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
3107832017-09-06 12:54:4024.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3105212017-09-06 02:03:1224.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3100392017-09-05 11:54:1224.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3097252017-09-04 23:08:2324.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3094162017-09-04 12:24:4624.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3090462017-09-03 16:51:1524.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3086812017-09-03 00:46:3524.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3078002017-09-01 11:04:0324.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3074352017-08-31 18:59:2824.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3072262017-08-31 13:09:4124.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3065182017-08-30 12:35:2224.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
3059082017-08-29 13:36:3724.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
3055092017-08-28 22:31:3124.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2566302017-06-25 00:08:5324.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2566202017-06-24 23:46:2124.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2524082017-06-19 21:33:1124.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2418372017-06-07 14:55:1624.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2331632017-05-28 20:16:3224.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2269592017-05-22 01:09:2024.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2200752017-05-15 00:02:3324.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2161262017-05-10 23:47:4124.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2095192017-05-04 15:13:4424.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
2009412017-04-27 03:10:0024.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
1937712017-04-20 02:04:0424.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
1864532017-04-12 21:55:0924.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
1807632017-04-05 19:35:3924.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport
1778952017-04-02 01:27:1924.140.16.x/2412097 (MASSCOM)usa (United States)yesunknownblockednoneReport
1726872017-03-26 16:38:4424.140.16.x/2412097 (MASSCOM)usa (United States)yesblockedblockednoneReport

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