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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
17185292024-02-14 21:13:26138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesblockedblockednoneReport
17020982024-01-13 00:14:26138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesunknownunknownnoneReport
16998002024-01-09 07:09:11138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesblockedblockednoneReport
16970322024-01-03 16:24:23138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesblockedblockednoneReport
16138462023-07-29 11:20:37138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesunknownunknownnoneReport
16136452023-07-28 21:33:32138.199.21.x/24212238 (CDNEXT)jpn (Japan)yesunknownunknownnoneReport
13749582022-06-03 06:12:36138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
13670662022-05-19 09:25:45138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
13230542022-03-11 02:28:02138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
13119632022-02-18 11:25:09138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
13113722022-02-17 10:58:48138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
13016262022-02-04 18:37:46138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
12987522022-01-30 19:36:14138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
12900692022-01-14 06:28:08138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport
12900092022-01-14 01:39:53138.199.21.x/24212238 (CDNEXT)che (Switzerland)yesblockedblockednoneReport

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