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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
19320692025-03-22 18:56:172600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
19194282025-03-01 03:58:552600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
19160822025-02-24 03:16:362600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
19160062025-02-23 23:09:332600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
19154102025-02-22 20:05:172600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
19083602025-02-10 10:29:162600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18941592025-01-15 20:08:492600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18765972024-12-11 23:42:502600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18742272024-12-08 01:37:592600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18618922024-11-15 23:22:342600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18579732024-11-08 22:29:312600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport
18579412024-11-08 21:08:232600:100b:a0xx::/406167 (CELLCO-PART)usa (United States)nounknownunknownnoneReport

All results shown
Last Modified 04/04/2025 16:22:30