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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
20719502025-12-02 11:49:2089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20718752025-12-02 08:29:5089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20681092025-11-25 13:45:3989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20640852025-11-18 11:50:1889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20640242025-11-18 10:06:0989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20605922025-11-12 07:41:3989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20548942025-10-28 13:35:2689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20548402025-10-28 11:29:4889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20547522025-10-28 07:39:3689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20458382025-10-13 10:51:5989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20307702025-09-16 06:55:5789.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20283352025-09-11 13:47:4289.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20283092025-09-11 13:05:0989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282922025-09-11 12:42:3689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282822025-09-11 12:29:5689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282702025-09-11 12:12:2589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282462025-09-11 11:49:4989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282342025-09-11 11:37:1389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282162025-09-11 11:15:3889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20282032025-09-11 10:53:0089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281952025-09-11 10:40:2589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281742025-09-11 09:47:4889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281692025-09-11 09:35:1289.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281642025-09-11 09:19:3289.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281462025-09-11 08:41:5589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281362025-09-11 08:19:2289.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20281282025-09-11 08:06:4689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20189812025-08-26 12:47:1089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20188452025-08-26 06:10:0789.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20116282025-08-12 13:58:4389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20116202025-08-12 13:49:2889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20087612025-08-07 12:47:4089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20087472025-08-07 12:34:0489.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20076122025-08-05 12:57:2989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20076022025-08-05 12:44:5089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
20074472025-08-05 06:52:2589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19877202025-07-01 08:58:4989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19836092025-06-24 06:06:4689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19800342025-06-17 13:50:1089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19800182025-06-17 13:37:3389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19758672025-06-10 12:30:0389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19758582025-06-10 12:20:3089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19757212025-06-10 06:35:5689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19643332025-05-20 12:50:4289.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19643082025-05-20 12:08:0989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19642912025-05-20 11:45:3989.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19642842025-05-20 11:33:0489.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19642792025-05-20 11:15:3789.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19642742025-05-20 11:03:0589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19642052025-05-20 08:05:2589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19641902025-05-20 07:42:5089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19641852025-05-20 07:30:2089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19600242025-05-13 14:35:1489.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19599972025-05-13 13:52:4189.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19599752025-05-13 13:30:0689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19599622025-05-13 13:17:3089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19598212025-05-13 07:53:4689.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19597942025-05-13 07:11:1489.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19597872025-05-13 06:58:4189.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19597792025-05-13 06:44:2589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19520902025-04-29 14:43:5389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19519652025-04-29 11:50:5489.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19519522025-04-29 11:30:2189.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19518472025-04-29 06:09:1089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19447742025-04-15 12:45:0589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19447522025-04-15 12:02:3389.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19446152025-04-15 06:46:3789.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
19446092025-04-15 06:34:0589.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesblockedblockednoneReport
7478952019-09-10 11:11:2889.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesunknownunknownnoneReport
7471152019-09-09 05:39:5089.20.181.x/2439686 (ASN-EUROFIBER)nld (Netherlands)yesunknownunknownnoneReport

All results shown
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