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
6565532019-04-06 01:16:242601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
6552332019-04-04 01:24:582601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
6545842019-04-03 04:13:392601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5496652018-10-09 04:04:462601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5462282018-10-03 01:43:462601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5341942018-09-12 06:05:512601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5302442018-09-05 04:47:432601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/72Report
5265012018-08-29 03:29:222601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/80Report
5225312018-08-22 02:08:402601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5072792018-07-24 21:33:142601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
5029752018-07-17 01:33:052601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4939982018-07-01 14:43:082601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4901392018-06-25 01:31:032601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4854512018-06-16 13:41:322601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4812412018-06-09 06:12:482601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4786762018-06-05 00:52:082601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4743352018-05-28 21:07:382601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4715172018-05-24 00:55:452601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report
4655082018-05-15 03:55:342601:4c1:c1xx::/407922 (COMCAST-7922)usa (United States)noblockedblocked/64Report

All results shown
Last Modified