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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
21374752026-03-30 15:31:054.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21365852026-03-28 21:10:584.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21360302026-03-27 18:05:104.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21331052026-03-22 18:40:204.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21300162026-03-16 19:07:564.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21295452026-03-16 04:04:494.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21290092026-03-14 20:27:134.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21285082026-03-13 17:50:384.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21280852026-03-12 23:25:144.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21274212026-03-11 19:25:304.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21269352026-03-10 23:56:024.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21256152026-03-08 19:17:394.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21251642026-03-07 20:10:384.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21245912026-03-06 14:17:534.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21240812026-03-05 16:57:484.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21222512026-03-02 17:00:274.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21211712026-02-28 05:47:174.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21208762026-02-27 15:50:074.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21193192026-02-25 00:27:234.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21187282026-02-24 01:03:454.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21180472026-02-23 03:06:254.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21175752026-02-21 23:04:284.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21173192026-02-21 11:02:114.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
21172292026-02-21 07:09:224.42.157.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
19255972025-03-11 15:20:064.7.227.x/243356 (LEVEL3)usa (United States)yesblockedreceived/10Report
18739182024-12-07 11:31:2165.57.178.x/243356 (LEVEL3)usa (United States)yesrewrittenreceived/30Report
18428062024-10-11 17:55:158.39.145.x/243356 (LEVEL3)usa (United States)yesrewrittenreceivednoneReport
17808612024-06-15 23:23:034.2.128.x/243356 (LEVEL3)usa (United States)yesrewrittenreceived/30Report
17271212024-03-02 22:17:4465.57.178.x/243356 (LEVEL3)usa (United States)yesrewrittenreceived/30Report
16912222023-12-21 21:08:538.39.145.x/243356 (LEVEL3)usa (United States)noblockedreceived/9Report
16912222023-12-21 21:08:532001:1900:22xx::/403356 (LEVEL3)usa (United States)noblockedreceived/24Report
16856022023-12-11 14:46:30216.202.171.x/243356 (LEVEL3)usa (United States)noblockedreceived/8Report
16373292023-09-11 22:07:3365.57.178.x/243356 (LEVEL3)usa (United States)yesrewrittenreceived/30Report
16238292023-08-17 06:56:098.14.157.x/243356 (LEVEL3)usa (United States)yesblockedreceived/8Report
16199902023-08-10 05:48:198.14.157.x/243356 (LEVEL3)usa (United States)yesblockedreceived/8Report
16163362023-08-03 04:40:258.14.157.x/243356 (LEVEL3)usa (United States)yesblockedreceived/8Report
16064632023-07-14 15:58:378.14.157.x/243356 (LEVEL3)usa (United States)yesblockedreceived/8Report
11374212021-05-05 21:24:108.9.86.x/243356 (LEVEL3)usa (United States)yesblockedreceived/10Report
4201022018-03-02 20:08:10202.1.195.x/243356 (LEVEL3)mdv (Maldives)noreceivedreceived/8Report
3793382017-12-25 23:32:44202.1.195.x/243356 (LEVEL3)mdv (Maldives)noreceivedreceived/8Report
3738942017-12-16 03:08:23202.1.195.x/243356 (LEVEL3)mdv (Maldives)noreceivedreceived/8Report
3738742017-12-16 01:58:11202.1.195.x/243356 (LEVEL3)mdv (Maldives)noreceivedreceived/8Report
550392016-03-06 00:19:184.34.62.x/243356 (LEVEL3)usa (United States)noblockedreceived/10Report

All results shown
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