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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
20309842025-09-16 14:00:3373.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20266182025-09-09 00:51:5673.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20062552025-08-03 02:09:1773.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
20012622025-07-25 04:51:1873.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
19973072025-07-18 03:35:0173.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
19588352025-05-11 21:21:1373.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
19124932025-02-17 18:30:2573.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
19083062025-02-10 07:14:4273.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport
19042542025-02-03 06:07:1673.37.98.x/247922 (COMCAST-7922)usa (United States)yesblockedblockednoneReport

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