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
7720152019-10-18 16:40:30172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
7719372019-10-18 14:10:20172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
7385862019-08-24 01:25:38172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
6499842019-03-26 12:31:59172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
4519412018-04-24 10:52:35172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedrewrittennoneReport
3364692017-10-18 02:42:58172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
2315982017-05-26 22:27:34172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownrewrittennoneReport
1105782016-12-13 21:05:04172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1029682016-12-01 21:04:59172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1008532016-11-28 23:12:51172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
963772016-11-21 16:16:42172.56.12.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport

All results shown
Last Modified