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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
6811652019-05-16 20:17:57172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6437092019-03-15 23:51:33172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6073302019-01-16 07:30:08172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
4501992018-04-21 11:06:03172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
2720882017-07-13 13:37:27172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownblockednoneReport
2302832017-05-25 12:30:02172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1955632017-04-21 17:01:30172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1774512017-04-01 10:35:21172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1146622016-12-20 05:55:47172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1123552016-12-16 03:23:48172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1121772016-12-15 21:36:03172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1117642016-12-15 10:37:18172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1097572016-12-12 19:24:18172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
1034562016-12-02 17:01:52172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
976292016-11-23 11:48:31172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
923452016-11-15 20:36:15172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
824392016-10-26 14:25:41172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
695912016-09-14 14:06:19172.56.27.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

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