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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
20299232025-09-14 23:20:22128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19932402025-07-10 20:32:25128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19907062025-07-06 20:10:09128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19828762025-06-23 03:03:56128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
19115622025-02-15 23:32:12128.54.20.x/247377 (UCSD)usa (United States)yesunknownunknownnoneReport
18499412024-10-24 20:13:56128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
18277732024-09-12 19:06:29128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
18129722024-08-15 00:03:55128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
17823992024-06-18 15:57:19128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
17630372024-05-14 04:02:26128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
17367332024-03-22 03:59:44128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport
17115672024-01-31 23:05:27128.54.20.x/247377 (UCSD)usa (United States)yesblockedblockednoneReport

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