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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
16418742023-09-20 01:37:572600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16394682023-09-15 12:56:172600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16337722023-09-04 19:50:542600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16324702023-09-01 20:34:412600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16288052023-08-26 02:08:482600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16245592023-08-18 12:57:472600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16181772023-08-07 04:19:442600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16145392023-07-31 03:06:482600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16110702023-07-24 01:53:432600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16075332023-07-17 00:40:372600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
16035552023-07-09 23:27:362600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15997592023-07-02 22:14:452600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15961602023-06-25 21:02:062600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15925782023-06-18 19:49:042600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15890702023-06-11 18:35:592600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15855162023-06-04 17:23:032600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15818332023-05-28 16:10:162600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15818232023-05-28 15:41:182600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15815052023-05-27 22:08:102600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15606642023-04-16 22:24:552600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15570322023-04-09 21:12:082600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15533882023-04-02 19:59:312600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15497342023-03-26 18:46:502600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15459352023-03-19 17:34:052600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15418152023-03-12 16:21:102600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15380412023-03-05 15:08:072600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15066472023-01-07 00:56:582600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
15006992022-12-27 04:38:002600:1700:66xx::/400usa (United States)noblockedblocked/64Report
14970262022-12-20 03:25:022600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14933912022-12-13 02:12:022600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14895292022-12-06 00:59:282600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14864372022-11-28 02:25:562600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14821342022-11-21 01:12:552600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14780612022-11-14 00:00:212600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14619662022-10-20 02:36:252600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14560252022-10-13 00:52:262600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14497002022-10-01 18:44:242600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14467342022-09-24 17:31:542600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14423782022-09-17 16:19:292600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14380532022-09-10 15:06:592600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14328552022-09-03 09:47:362600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report
14326352022-09-02 23:12:092600:1700:66xx::/407018 (ATT-INTERNET4)usa (United States)noblockedblocked/64Report

All results shown
Last Modified