Logo

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
20744642025-12-07 03:03:4273.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20706462025-11-30 01:56:2673.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20667252025-11-22 22:20:3373.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20627572025-11-15 21:13:1373.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20569952025-11-01 03:47:1673.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20530282025-10-25 02:39:0373.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
20488362025-10-18 01:31:4373.191.253.x/247922 (COMCAST-7922)usa (United States)yesrewrittenrewrittennoneReport
1213692017-01-01 22:08:2973.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
1176462016-12-25 15:11:3873.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
1137242016-12-18 13:33:2173.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
1088572016-12-11 11:54:4373.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
1041552016-12-03 23:57:5373.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
996272016-11-26 22:44:0773.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
954492016-11-19 23:36:4373.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
901662016-11-12 17:02:0673.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
881122016-11-10 02:05:1173.191.253.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport

All results shown
Last Modified