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AbuseIPDB » 13.105.189.21

13.105.189.21 was found in our database!

This IP was reported 12 times. Confidence of Abuse is 9%: ?

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇮🇪 Ireland
City	Dublin, Leinster

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

Report 13.105.189.21

Whois 13.105.189.21

IP Abuse Reports for 13.105.189.21:

This IP address has been reported a total of 12 times from 2 distinct sources. 13.105.189.21 was first reported on February 13th 2026, and the most recent report was 1 week ago.

Old Reports: The most recent abuse report for this IP address is from 1 week ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇭 Mario Bretscher	2026-06-23 08:23:25 (1 week ago)	23-Jun-2026 10:23:23.579 security: info: client @0x7fb959e1de38 13.105.189.21#28708 (ns3.letsbuild.c ... show more 23-Jun-2026 10:23:23.579 security: info: client @0x7fb959e1de38 13.105.189.21#28708 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 23-Jun-2026 10:23:23.582 security: info: client @0x7fb959e1de38 13.105.189.21#31065 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 23-Jun-2026 10:23:23.627 security: info: client @0x7fb948018e28 13.105.189.21#47074 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 23-Jun-2026 10:23:23.640 security: info: client @0x7fb959e1de38 13.105.189.21#64185 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 23-Jun-2026 10:23:23.672 security: info: client @0x7fb948018e28 13.105.189.21#47578 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-06-13 15:54:33 (2 weeks ago)	13-Jun-2026 17:54:31.162 security: info: client @0x7fb950056798 13.105.189.21#13836 (ns2.letsbuild.c ... show more 13-Jun-2026 17:54:31.162 security: info: client @0x7fb950056798 13.105.189.21#13836 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 13-Jun-2026 17:54:31.163 security: info: client @0x7fb950056798 13.105.189.21#14075 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 13-Jun-2026 17:54:31.205 security: info: client @0x7fb959e1de38 13.105.189.21#48983 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 13-Jun-2026 17:54:31.214 security: info: client @0x7fb959e1de38 13.105.189.21#39422 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 13-Jun-2026 17:54:31.261 security: info: client @0x7fb950056798 13.105.189.21#22818 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-05-26 07:17:25 (1 month ago)	26-May-2026 09:17:23.363 security: info: client @0x786eb0033bb8 13.105.189.21#24238 (ns2.letsbuild.c ... show more 26-May-2026 09:17:23.363 security: info: client @0x786eb0033bb8 13.105.189.21#24238 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 26-May-2026 09:17:23.367 security: info: client @0x786eb9ce2878 13.105.189.21#18026 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 26-May-2026 09:17:23.368 security: info: client @0x786ea40cfa58 13.105.189.21#8412 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 26-May-2026 09:17:23.416 security: info: client @0x786eac05ee08 13.105.189.21#48890 (hades.net.letsbuild.ch): view Extern: query 'hades.net.letsbuild.ch/TXT/IN' denied 26-May-2026 09:17:23.417 security: info: client @0x786eb9ce2878 13.105.189.21#58186 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇿🇦 rb-sys	2026-05-21 08:53:22 (1 month ago)	2026-05-21T08:53:22.471168+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb: ... show more 2026-05-21T08:53:22.471168+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb:d3:b1:0a:77:08:00 SRC=13.105.189.21 DST=102.214.10.82 LEN=60 TOS=0x00 PREC=0x00 TTL=46 ID=23988 DF PROTO=TCP SPT=45020 DPT=53 WINDOW=64240 RES=0x00 SYN URGP=0 ... show less	Port Scan
🇿🇦 rb-sys	2026-05-20 03:34:19 (1 month ago)	2026-05-20T03:34:19.298260+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb: ... show more 2026-05-20T03:34:19.298260+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb:d3:b1:0a:77:08:00 SRC=13.105.189.21 DST=102.214.10.82 LEN=60 TOS=0x00 PREC=0x00 TTL=45 ID=32696 DF PROTO=TCP SPT=34378 DPT=53 WINDOW=64240 RES=0x00 SYN URGP=0 ... show less	Port Scan
🇿🇦 rb-sys	2026-05-18 22:02:38 (1 month ago)	2026-05-18T22:02:37.925823+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb: ... show more 2026-05-18T22:02:37.925823+00:00 rbdns kernel: [UFW BLOCK] IN=eth0 OUT= MAC=bc:24:11:65:b4:ae:e8:eb:d3:b1:0a:77:08:00 SRC=13.105.189.21 DST=102.214.10.82 LEN=60 TOS=0x00 PREC=0x00 TTL=45 ID=46472 DF PROTO=TCP SPT=57920 DPT=53 WINDOW=64240 RES=0x00 SYN URGP=0 ... show less	Port Scan
🇨🇭 Mario Bretscher	2026-05-06 15:15:44 (1 month ago)	06-May-2026 17:15:43.150 security: info: client @0x74ae200df668 13.105.189.21#5372 (ns1.letsbuild.CH ... show more 06-May-2026 17:15:43.150 security: info: client @0x74ae200df668 13.105.189.21#5372 (ns1.letsbuild.CH): view Extern: query 'ns1.letsbuild.CH/A/IN' denied 06-May-2026 17:15:43.152 security: info: client @0x74ae200df668 13.105.189.21#48205 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/A/IN' denied 06-May-2026 17:15:43.167 security: info: client @0x74ae34150d58 13.105.189.21#46259 (ns3.letsbuild.CH): view Extern: query 'ns3.letsbuild.CH/A/IN' denied 06-May-2026 17:15:43.189 security: info: client @0x74ae34150d58 13.105.189.21#58153 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 06-May-2026 17:15:43.195 security: info: client @0x74ae200df668 13.105.189.21#6364 (ns4.letsbuild.CH): view Extern: query 'ns4.letsbuild.CH/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-05-02 15:38:29 (2 months ago)	02-May-2026 17:38:27.627 security: info: client @0x761b38075978 13.105.189.21#56405 (ns4.letsbuild.c ... show more 02-May-2026 17:38:27.627 security: info: client @0x761b38075978 13.105.189.21#56405 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 02-May-2026 17:38:27.640 security: info: client @0x761b38075978 13.105.189.21#47363 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 02-May-2026 17:38:27.649 security: info: client @0x761b341503b8 13.105.189.21#14300 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 02-May-2026 17:38:27.675 security: info: client @0x761b41e499d8 13.105.189.21#42004 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 02-May-2026 17:38:27.690 security: info: client @0x761b38075978 13.105.189.21#7059 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-04-26 22:05:24 (2 months ago)	27-Apr-2026 00:05:22.911 security: info: client @0x761b381ce9d8 13.105.189.21#6990 (ns1.letsbuild.ch ... show more 27-Apr-2026 00:05:22.911 security: info: client @0x761b381ce9d8 13.105.189.21#6990 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 27-Apr-2026 00:05:22.912 security: info: client @0x761b41cdf858 13.105.189.21#61062 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 27-Apr-2026 00:05:22.934 security: info: client @0x761b3416fc88 13.105.189.21#21808 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 27-Apr-2026 00:05:22.959 security: info: client @0x761b41cdf858 13.105.189.21#40813 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 27-Apr-2026 00:05:22.985 security: info: client @0x761b2c119918 13.105.189.21#38542 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-04-11 03:00:39 (2 months ago)	11-Apr-2026 05:00:37.807 security: info: client @0x761b2c19e5e8 13.105.189.21#9301 (ns1.letsbuild.ch ... show more 11-Apr-2026 05:00:37.807 security: info: client @0x761b2c19e5e8 13.105.189.21#9301 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 11-Apr-2026 05:00:37.813 security: info: client @0x761b41cdf858 13.105.189.21#30845 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 11-Apr-2026 05:00:37.859 security: info: client @0x761b41cdf858 13.105.189.21#19080 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 11-Apr-2026 05:00:37.864 security: info: client @0x761b2c19e5e8 13.105.189.21#9053 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied 11-Apr-2026 05:00:37.911 security: info: client @0x761b41cdf858 13.105.189.21#38588 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-03-23 13:18:06 (3 months ago)	23-Mar-2026 14:18:05.267 security: info: client @0x70889df8a958 13.105.189.21#23756 (ns1.letsbuild.c ... show more 23-Mar-2026 14:18:05.267 security: info: client @0x70889df8a958 13.105.189.21#23756 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 23-Mar-2026 14:18:05.269 security: info: client @0x70889df8a958 13.105.189.21#38415 (ns4.letsbuild.ch): view Extern: query 'ns4.letsbuild.ch/A/IN' denied 23-Mar-2026 14:18:05.284 security: info: client @0x7088780601c8 13.105.189.21#31004 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 23-Mar-2026 14:18:05.319 security: info: client @0x7088780601c8 13.105.189.21#23720 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied 23-Mar-2026 14:18:05.319 security: info: client @0x70889df8a958 13.105.189.21#50732 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack
🇨🇭 Mario Bretscher	2026-02-13 09:50:10 (4 months ago)	13-Feb-2026 10:50:08.337 security: info: client @0x7e47440282a8 13.105.189.21#44423 (ns1.letsbuild.c ... show more 13-Feb-2026 10:50:08.337 security: info: client @0x7e47440282a8 13.105.189.21#44423 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/A/IN' denied 13-Feb-2026 10:50:08.354 security: info: client @0x7e4749d297d8 13.105.189.21#25762 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/A/IN' denied 13-Feb-2026 10:50:08.383 security: info: client @0x7e4749d297d8 13.105.189.21#54191 (ns1.letsbuild.ch): view Extern: query 'ns1.letsbuild.ch/AAAA/IN' denied 13-Feb-2026 10:50:08.401 security: info: client @0x7e473804ab58 13.105.189.21#16841 (ns2.letsbuild.ch): view Extern: query 'ns2.letsbuild.ch/AAAA/IN' denied 13-Feb-2026 10:50:08.406 security: info: client @0x7e47440282a8 13.105.189.21#10877 (ns3.letsbuild.ch): view Extern: query 'ns3.letsbuild.ch/AAAA/IN' denied ... show less	Web App Attack

Showing 1 to 12 of 12 reports

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