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AbuseIPDB » 13.105.172.76

13.105.172.76 was found in our database!

This IP was reported 44 times. Confidence of Abuse is 21%: ?

21%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇳🇱 Netherlands
City	Amsterdam, North Holland

IP info including ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

Report 13.105.172.76

Whois 13.105.172.76

IP Abuse Reports for 13.105.172.76:

This IP address has been reported a total of 44 times from 3 distinct sources. 13.105.172.76 was first reported on February 14th 2026, and the most recent report was 3 hours ago.

Recent Reports: We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇩🇪 Admins@FBN	2026-07-07 10:38:00 (3 hours ago)	FW-PortScan: Traffic Blocked srcport=20902 dstport=53	DNS Poisoning Port Scan Hacking
🇨🇭 Mario Bretscher	2026-07-07 06:00:24 (8 hours ago)	07-Jul-2026 08:00:21.452 security: info: client @0x79b54c03dab8 13.105.172.76#15015 (ns2.letsbuild.c ... show more 07-Jul-2026 08:00:21.452 security: info: client @0x79b54c03dab8 13.105.172.76#15015 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 07-Jul-2026 08:00:21.480 security: info: client @0x79b5480272c8 13.105.172.76#49415 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 07-Jul-2026 08:00:21.863 security: info: client @0x79b5480272c8 13.105.172.76#28951 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 07-Jul-2026 08:00:21.868 security: info: client @0x79b5480272c8 13.105.172.76#36774 (hades.letsbuild.ch): view Extern: query 'hades.letsbuild.ch/A/IN' denied 07-Jul-2026 08:00:21.887 security: info: client @0x79b54001edd8 13.105.172.76#53173 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-06 06:12:22 (1 day ago)	06-Jul-2026 08:12:20.666 security: info: client @0x79b5480272c8 13.105.172.76#46404 (ns2.letsbuild.c ... show more 06-Jul-2026 08:12:20.666 security: info: client @0x79b5480272c8 13.105.172.76#46404 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 06-Jul-2026 08:12:20.704 security: info: client @0x79b5400fc6b8 13.105.172.76#34838 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 06-Jul-2026 08:12:20.744 security: info: client @0x79b54c018288 13.105.172.76#16472 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 06-Jul-2026 08:12:21.037 security: info: client @0x79b54c018288 13.105.172.76#7615 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 06-Jul-2026 08:12:21.184 security: info: client @0x79b5480272c8 13.105.172.76#6007 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-06 01:06:04 (1 day ago)	06-Jul-2026 03:06:03.142 security: info: client @0x79b5400fc6b8 13.105.172.76#52746 (ns3.letsbuild.c ... show more 06-Jul-2026 03:06:03.142 security: info: client @0x79b5400fc6b8 13.105.172.76#52746 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 06-Jul-2026 03:06:03.175 security: info: client @0x79b555cf7908 13.105.172.76#11288 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 06-Jul-2026 03:06:03.175 security: info: client @0x79b555cf4398 13.105.172.76#24816 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 06-Jul-2026 03:06:03.180 security: info: client @0x79b548021c98 13.105.172.76#32179 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 06-Jul-2026 03:06:03.214 security: info: client @0x79b555cf4398 13.105.172.76#35687 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-05 06:16:22 (2 days ago)	05-Jul-2026 08:16:20.928 security: info: client @0x79b5400fc6b8 13.105.172.76#26236 (ns4.letsbuild.c ... show more 05-Jul-2026 08:16:20.928 security: info: client @0x79b5400fc6b8 13.105.172.76#26236 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 05-Jul-2026 08:16:20.931 security: info: client @0x79b54801afc8 13.105.172.76#10882 (mail.letsbuild.ch): view Extern: query 'mail.letsbuild.ch/A/IN' denied 05-Jul-2026 08:16:20.931 security: info: client @0x79b548021c98 13.105.172.76#30942 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 05-Jul-2026 08:16:21.339 security: info: client @0x79b5400fc6b8 13.105.172.76#39027 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 05-Jul-2026 08:16:21.344 security: info: client @0x79b555cf1e88 13.105.172.76#11874 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-05 05:12:22 (2 days ago)	05-Jul-2026 07:12:21.074 security: info: client @0x79b54001edd8 13.105.172.76#3325 (ns1.letsbuild.ch ... show more 05-Jul-2026 07:12:21.074 security: info: client @0x79b54001edd8 13.105.172.76#3325 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 05-Jul-2026 07:12:21.076 security: info: client @0x79b548021c98 13.105.172.76#38768 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 05-Jul-2026 07:12:21.099 security: info: client @0x79b548021c98 13.105.172.76#9488 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 05-Jul-2026 07:12:21.109 security: info: client @0x79b548021c98 13.105.172.76#42587 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 05-Jul-2026 07:12:21.129 security: info: client @0x79b54c018288 13.105.172.76#14213 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-03 15:18:42 (3 days ago)	03-Jul-2026 17:18:41.242 security: info: client @0x7ae1bdd8a018 13.105.172.76#12548 (ns4.letsbuild.c ... show more 03-Jul-2026 17:18:41.242 security: info: client @0x7ae1bdd8a018 13.105.172.76#12548 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 03-Jul-2026 17:18:41.340 security: info: client @0x7ae1b40070f8 13.105.172.76#37620 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 03-Jul-2026 17:18:41.365 security: info: client @0x7ae1b00c2408 13.105.172.76#44448 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 03-Jul-2026 17:18:41.370 security: info: client @0x7ae1b40070f8 13.105.172.76#31587 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 03-Jul-2026 17:18:41.450 security: info: client @0x7ae1b40070f8 13.105.172.76#51516 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-03 10:05:32 (4 days ago)	03-Jul-2026 12:05:30.101 security: info: client @0x7ae1b0009918 13.105.172.76#10936 (ns4.letsbuild.c ... show more 03-Jul-2026 12:05:30.101 security: info: client @0x7ae1b0009918 13.105.172.76#10936 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 03-Jul-2026 12:05:30.103 security: info: client @0x7ae1b4061f68 13.105.172.76#21798 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 03-Jul-2026 12:05:30.118 security: info: client @0x7ae1ac1e06e8 13.105.172.76#34203 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 03-Jul-2026 12:05:30.133 security: info: client @0x7ae1b4061f68 13.105.172.76#53936 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 03-Jul-2026 12:05:30.166 security: info: client @0x7ae1ac1e06e8 13.105.172.76#13458 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-07-02 06:32:21 (5 days ago)	02-Jul-2026 08:32:14.903 security: info: client @0x7ae1bc0a94b8 13.105.172.76#60380 (ns4.letsbuild.c ... show more 02-Jul-2026 08:32:14.903 security: info: client @0x7ae1bc0a94b8 13.105.172.76#60380 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 02-Jul-2026 08:32:14.904 security: info: client @0x7ae1b40070f8 13.105.172.76#46556 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 02-Jul-2026 08:32:14.943 security: info: client @0x7ae1b01379a8 13.105.172.76#30660 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 02-Jul-2026 08:32:14.944 security: info: client @0x7ae1ac1ce328 13.105.172.76#45600 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 02-Jul-2026 08:32:14.975 security: info: client @0x7ae1b40070f8 13.105.172.76#60058 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-30 16:42:22 (6 days ago)	30-Jun-2026 18:42:21.492 security: info: client @0x7ae1bdd8a018 13.105.172.76#27031 (ns4.letsbuild.c ... show more 30-Jun-2026 18:42:21.492 security: info: client @0x7ae1bdd8a018 13.105.172.76#27031 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 30-Jun-2026 18:42:21.498 security: info: client @0x7ae1b0056a78 13.105.172.76#7923 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 30-Jun-2026 18:42:21.517 security: info: client @0x7ae1bdd8a018 13.105.172.76#13485 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 30-Jun-2026 18:42:21.531 security: info: client @0x7ae1b0056a78 13.105.172.76#27055 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 30-Jun-2026 18:42:21.550 security: info: client @0x7ae1ac0564f8 13.105.172.76#51781 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-29 13:46:24 (1 week ago)	29-Jun-2026 15:46:21.342 security: info: client @0x7ae1ac095e88 13.105.172.76#12779 (ns2.letsbuild.c ... show more 29-Jun-2026 15:46:21.342 security: info: client @0x7ae1ac095e88 13.105.172.76#12779 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 29-Jun-2026 15:46:21.378 security: info: client @0x7ae1bdd8a018 13.105.172.76#20950 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 29-Jun-2026 15:46:21.381 security: info: client @0x7ae1bdd8a018 13.105.172.76#20571 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 29-Jun-2026 15:46:21.381 security: info: client @0x7ae1ac095e88 13.105.172.76#35947 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 29-Jun-2026 15:46:21.410 security: info: client @0x7ae1bdd8a018 13.105.172.76#36987 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-28 23:02:24 (1 week ago)	29-Jun-2026 01:02:20.985 security: info: client @0x7ae1bc0a94b8 13.105.172.76#50084 (ns2.letsbuild.c ... show more 29-Jun-2026 01:02:20.985 security: info: client @0x7ae1bc0a94b8 13.105.172.76#50084 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 29-Jun-2026 01:02:20.987 security: info: client @0x7ae1bc0a94b8 13.105.172.76#41199 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 29-Jun-2026 01:02:20.993 security: info: client @0x7ae1b0056a78 13.105.172.76#26368 (hades.letsbuild.ch): view Extern: query 'hades.letsbuild.ch/AAAA/IN' denied 29-Jun-2026 01:02:21.293 security: info: client @0x7ae1b0056a78 13.105.172.76#13415 (hades.letsbuild.ch): view Extern: query 'hades.letsbuild.ch/AAAA/IN' denied 29-Jun-2026 01:02:21.301 security: info: client @0x7ae1b4061f68 13.105.172.76#22115 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-25 13:06:22 (1 week ago)	25-Jun-2026 15:06:20.539 security: info: client @0x7ae1ac0c5d88 13.105.172.76#58951 (ns2.letsbuild.c ... show more 25-Jun-2026 15:06:20.539 security: info: client @0x7ae1ac0c5d88 13.105.172.76#58951 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 25-Jun-2026 15:06:20.542 security: info: client @0x7ae1bc0aee08 13.105.172.76#9925 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 25-Jun-2026 15:06:20.571 security: info: client @0x7ae1bc0aee08 13.105.172.76#53390 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 25-Jun-2026 15:06:20.574 security: info: client @0x7ae1bc0aee08 13.105.172.76#43951 (hades.letsbuild.ch): view Extern: query 'hades.letsbuild.ch/AAAA/IN' denied 25-Jun-2026 15:06:20.575 security: info: client @0x7ae1ac0c5d88 13.105.172.76#38619 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-24 09:48:22 (1 week ago)	24-Jun-2026 11:48:20.606 security: info: client @0x7fb9500d81d8 13.105.172.76#36845 (ns1.letsbuild.c ... show more 24-Jun-2026 11:48:20.606 security: info: client @0x7fb9500d81d8 13.105.172.76#36845 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 24-Jun-2026 11:48:20.609 security: info: client @0x7fb948018e28 13.105.172.76#26820 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 24-Jun-2026 11:48:20.609 security: info: client @0x7fb9500d81d8 13.105.172.76#54694 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 24-Jun-2026 11:48:20.647 security: info: client @0x7fb954100278 13.105.172.76#23957 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 24-Jun-2026 11:48:20.647 security: info: client @0x7fb9480ea208 13.105.172.76#21269 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-22 17:32:22 (2 weeks ago)	22-Jun-2026 19:32:20.594 security: info: client @0x7fb959e1de38 13.105.172.76#11143 (mail.letsbuild. ... show more 22-Jun-2026 19:32:20.594 security: info: client @0x7fb959e1de38 13.105.172.76#11143 (mail.letsbuild.ch): view Extern: query 'mail.letsbuild.ch/A/IN' denied 22-Jun-2026 19:32:20.595 security: info: client @0x7fb94807c4b8 13.105.172.76#54647 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 22-Jun-2026 19:32:20.595 security: info: client @0x7fb95016b2f8 13.105.172.76#26338 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 22-Jun-2026 19:32:20.631 security: info: client @0x7fb959e1de38 13.105.172.76#12994 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 22-Jun-2026 19:32:20.631 security: info: client @0x7fb954046d68 13.105.172.76#8629 (mail.letsbuild.ch): view Extern: query 'mail.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack

Showing 1 to 15 of 44 reports

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