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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
19292342025-03-17 16:09:51146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)noblocked✔blocked/30Report
19157332025-02-23 10:59:05146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport
19157232025-02-23 10:24:55146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport
19146172025-02-21 07:30:36146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport
19104922025-02-13 19:41:58146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport
19065222025-02-06 18:34:31146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport
19025162025-01-30 17:26:55146.120.248.x/24204875 (ISTEC-AS)ukr (Ukraine)yesrewritten✔receivednoneReport

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