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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
15021042022-12-29 16:31:132001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
14984572022-12-22 12:37:012001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
14761692022-11-10 17:29:572001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
14692922022-11-01 19:41:182001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
14564342022-10-13 15:37:492001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
14298392022-08-29 18:21:082001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
14248052022-08-22 10:31:012001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
13979502022-07-09 21:41:522001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
13936642022-07-01 19:30:342001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
13848412022-06-19 18:29:322001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
13747372022-06-02 18:35:402001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
13662362022-05-17 19:55:262001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
13566312022-05-02 10:31:182001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
13491232022-04-15 20:00:582001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
13407962022-04-03 17:46:032001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
13162482022-02-26 12:46:032001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
13125292022-02-19 11:23:112001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/80Report
13015962022-02-04 17:40:242001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12973422022-01-27 21:25:182001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
12936722022-01-20 20:00:082001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
12898432022-01-13 18:36:292001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
12861592022-01-06 17:12:462001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
12812842021-12-29 22:40:232001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
12777492021-12-22 21:16:422001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
12703182021-12-15 19:53:122001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12661742021-12-08 18:28:502001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
12613282021-11-30 17:19:172001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
12540452021-11-21 18:22:532001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12502532021-11-14 16:49:022001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12453832021-11-05 21:44:462001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/80Report
12415352021-10-29 20:06:352001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
12370582021-10-22 18:38:222001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12327122021-10-15 17:12:472001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12282342021-10-08 14:13:352001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12233192021-09-30 14:49:102001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12189622021-09-23 13:23:412001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12140692021-09-14 17:06:382001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
12096932021-09-06 19:09:372001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12059072021-08-30 17:43:572001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
12015472021-08-23 01:49:192001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/80Report
11895592021-08-01 21:21:412001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11857292021-07-25 19:56:342001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11811922021-07-16 19:45:512001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11728152021-07-06 08:43:492001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11674092021-06-26 22:47:302001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11561832021-06-06 06:46:362001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
11503572021-05-27 04:46:062001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11453462021-05-18 17:27:132001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11408972021-05-11 15:38:292001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11387402021-05-07 20:46:532001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11346572021-04-30 19:21:232001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11290162021-04-23 17:55:582001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
11248032021-04-16 16:30:272001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
11206282021-04-09 15:04:562001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11152502021-03-31 18:52:182001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
11108652021-03-24 16:08:412001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
11059412021-03-16 20:48:502001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
11014252021-03-09 19:22:072001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10966522021-03-02 17:55:212001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
10839622021-02-14 20:34:242001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
10838082021-02-14 17:01:532001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10782302021-02-07 15:36:172001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10750392021-02-02 16:50:442001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
10706712021-01-26 14:46:122001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
10659892021-01-19 11:24:412001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
10612972021-01-12 00:56:032001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10583312021-01-06 23:47:392001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
10546772020-12-30 22:19:182001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10522672020-12-23 20:51:102001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10480922020-12-16 19:22:472001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
10460212020-12-13 18:33:082001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10378762020-11-30 18:02:442001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10334642020-11-23 12:55:502001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10229332020-11-08 12:36:532001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report
10220062020-11-06 15:22:572001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
10176052020-10-30 11:54:542001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10137432020-10-24 15:15:322001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
10085702020-10-17 13:47:112001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
9951902020-10-05 17:16:192001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9812662020-09-13 15:53:112001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
9728622020-09-06 14:24:502001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
9650212020-08-30 12:54:342001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
9584622020-08-23 11:26:162001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
9508932020-08-16 09:57:562001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9450652020-08-09 08:29:332001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9399132020-08-01 23:09:292001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
9337862020-07-25 21:41:102001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9301622020-07-18 19:15:152001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9189282020-06-26 18:02:102001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
9131422020-06-16 20:50:562001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
9092272020-06-09 19:22:372001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
9052552020-06-02 17:53:492001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/72Report
9006502020-05-25 23:17:502001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
8968952020-05-18 19:26:472001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8931142020-05-11 17:58:072001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
8891302020-05-04 16:29:292001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/64Report
8847752020-04-26 21:13:352001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/96Report
8807902020-04-19 19:44:542001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/104Report
8768162020-04-12 18:16:102001:1c03:48xx::/4033915 (TNF-AS)nld (Netherlands)noblockedunknown/88Report

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