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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
16421642023-09-20 14:21:19163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
16421642023-09-20 14:21:192001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
16411022023-09-18 18:00:00163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8058032019-12-11 17:50:12163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8058032019-12-11 17:50:122001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
8051692019-12-10 21:16:11163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/22Report
8051242019-12-10 19:56:32163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8050182019-12-10 17:31:03163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8050182019-12-10 17:31:032001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
8049232019-12-10 15:19:19163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/22Report
8041402019-12-09 15:45:18163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8041402019-12-09 15:45:182001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
8041332019-12-09 15:39:47163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8040862019-12-09 14:45:322001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
8040502019-12-09 14:04:47163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8040242019-12-09 13:32:31163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
8040242019-12-09 13:32:312001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
7698302019-10-15 12:57:12163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)yesblockedblockednoneReport
6365842019-03-06 20:18:51163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)yesblockedblockednoneReport
6365092019-03-06 18:29:37163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
6357342019-03-05 21:02:16163.253.48.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
6357342019-03-05 21:02:162001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
6357332019-03-05 20:59:03163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
6357332019-03-05 20:59:032001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
6357222019-03-05 20:45:26163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
6356362019-03-05 17:48:19163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
6356362019-03-05 17:48:192001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
6355352019-03-05 15:06:07163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
6355352019-03-05 15:06:072001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
6355182019-03-05 14:30:36163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5560352018-10-18 19:21:542001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5558142018-10-18 12:54:54163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5558072018-10-18 12:45:50163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5558072018-10-18 12:45:502001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5554542018-10-17 22:20:57163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5544332018-10-16 14:48:02163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5544252018-10-16 14:35:49163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5544252018-10-16 14:35:492001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5543762018-10-16 13:18:37163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5543762018-10-16 13:18:372001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5543622018-10-16 12:59:07163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5538482018-10-15 17:03:572001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5538382018-10-15 16:53:40163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5538382018-10-15 16:53:402001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5538262018-10-15 16:31:44163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
5536592018-10-15 11:56:52163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
5536592018-10-15 11:56:522001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
5536282018-10-15 11:07:38163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/23Report
4607262018-05-07 21:42:15163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4606992018-05-07 20:46:18163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4606132018-05-07 17:58:05163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/23Report
4605742018-05-07 16:53:54163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4605742018-05-07 16:53:542001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
4605682018-05-07 16:44:59163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4605242018-05-07 15:38:59163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4605242018-05-07 15:38:592001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
4604832018-05-07 14:36:47163.253.53.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4599772018-05-06 20:34:48163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4599772018-05-06 20:34:482001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
4599632018-05-06 20:03:19163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4599632018-05-06 20:03:192001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
4599552018-05-06 19:53:21163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4599552018-05-06 19:53:212001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
4595792018-05-06 04:18:02163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblocked/21Report
4595792018-05-06 04:18:022001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblocked/48Report
3370972017-10-18 22:16:32163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3370792017-10-18 21:48:002001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3370612017-10-18 21:10:51163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3370612017-10-18 21:10:512001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3369022017-10-18 16:31:20163.253.48.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3369022017-10-18 16:31:202001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3368652017-10-18 15:42:50163.253.50.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3368652017-10-18 15:42:502001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3363282017-10-17 21:23:52163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3357252017-10-16 23:28:14163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3357252017-10-16 23:28:142001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)nounknownunknownnoneReport
3355352017-10-16 16:41:07163.253.52.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3355322017-10-16 16:32:25163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3355142017-10-16 16:09:07163.253.51.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3350692017-10-15 22:43:122001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3349402017-10-15 16:17:19163.253.49.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3349402017-10-15 16:17:192001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3348972017-10-15 14:59:122001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3348892017-10-15 14:44:06163.253.48.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3347012017-10-15 06:15:03163.253.48.x/2413436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport
3347012017-10-15 06:15:032001:468:26xx::/4013436 (INTERNET2-CONF)usa (United States)noblockedblockednoneReport

All results shown
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