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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
20728732025-12-03 22:09:1875.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20689182025-11-26 21:01:4175.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20650192025-11-19 19:54:0375.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20609762025-11-12 18:45:3575.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20528052025-10-24 18:00:4275.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20485992025-10-17 16:52:5775.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20445292025-10-10 15:45:1575.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20407702025-10-03 14:37:3775.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20367082025-09-26 13:29:5975.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20327942025-09-19 12:22:0575.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20289052025-09-12 11:14:5375.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20246362025-09-05 10:07:1375.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20206882025-08-29 09:00:0275.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20169032025-08-22 07:52:1875.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20132772025-08-15 06:44:3875.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20091362025-08-08 05:36:5975.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20052312025-08-01 04:29:1875.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20012372025-07-25 03:21:3775.73.19.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport

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