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
15956342023-06-24 15:43:00172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
14987702022-12-23 00:44:53172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesblockedblockednoneReport
11864292021-07-27 02:10:19172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
11864182021-07-27 01:27:42172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
10336102020-11-23 16:10:49172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
10260022020-11-12 15:41:25172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
10258852020-11-12 12:53:12172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
9913112020-09-29 17:55:22172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
9912612020-09-29 17:03:27172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6617532019-04-14 22:16:59172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6617522019-04-14 22:08:49172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
6543102019-04-02 18:08:25172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesrewrittenrewrittennoneReport
1589992017-03-05 04:33:55172.58.31.x/2421928 (T-MOBILE-AS21928)usa (United States)yesunknownunknownnoneReport

All results shown
Last Modified