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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
17505032024-04-18 20:00:1484.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
11401032021-05-10 09:32:1184.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
11142052021-03-30 12:50:4484.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
8444532020-02-19 10:44:1384.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
6773042019-05-10 14:01:4984.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
6772722019-05-10 13:07:0484.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
6772422019-05-10 11:57:1284.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport
3741932017-12-16 17:39:1484.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesblockedblockednoneReport
902642016-11-12 19:59:1284.241.199.x/2431615 (TMO-NL-AS)nld (Netherlands)yesrewrittenrewrittennoneReport

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