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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
16421642023-09-20 14:21:19163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
16411022023-09-18 18:00:00163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
7698302019-10-15 12:57:12163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)yesblockedblockednoneReport
6357332019-03-05 20:59:03163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4599552018-05-06 19:53:21163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
3370972017-10-18 22:16:32163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3370612017-10-18 21:10:51163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3349402017-10-15 16:17:19163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport

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