JavaScript is disabled. Some features of this site may not work properly. For a smoother experience, please enable JavaScript in your browser settings.

103.164.255.21

Recent Activity

Abuse Confidence Score

38% Elevated

57 reports

22 reporters · latest 1 day ago

ISP: OptiHub
Usage Type: Fixed Line ISP
ASN: AS142577
Domain Name: kdnbd.net
Country: 🇧🇩 Bangladesh
City: Chattogram, Chittagong

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

Report Whois

Example preview

Account required for the enhanced features Log in Sign up

Abuse Reports

Export reports CSV

Total reports

57 from 22 distinct reporters

First reported

June 2nd 2024

Most recent report

1 day ago

Last 60 days

Top reporter locations 🇺🇸 United States of America 19 🇩🇪 Germany 5 🇨🇭 Switzerland 1

Most common categories Bad Web Bot 23 Web App Attack 11 Brute-Force 5 DDoS Attack 4 Exploited Host 2

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
Anonymous	2026-11-02 07:15:03 (1 day ago)	Large-scale coordinated botnet (8M+ IPs). Ordered by Alexander Pen'kov (alexander-pen-kov-7b41aa6a/Shursky [yordim\|LIS\|MOW]): Retaliation after theft; Attacker: Mikhail Smirnov (mikhail-smirnov-79830323/Aidan [MOW]): Employed by Angara Technologies G ... show more Large-scale coordinated botnet (8M+ IPs). Ordered by Alexander Pen'kov (alexander-pen-kov-7b41aa6a/Shursky [yordim\|LIS\|MOW]): Retaliation after theft; Attacker: Mikhail Smirnov (mikhail-smirnov-79830323/Aidan [MOW]): Employed by Angara Technologies Group \| Attack Signature Blocked: /brands/shopby/manufacturer-crestron-lsi-lenovo-aruba_networks-xyz-huawei.html \| UA: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.3 \| (Magento Site) show less	Hacking Bad Web Bot
🇺🇸 TPI-Abuse	2026-10-27 02:40:42 (1 week ago)	(mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Oct 26 22:40:32.887457 2026] [security2:error] [pid 29875:tid 29875] [client 103.164.255.21:60160] ... show more (mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Oct 26 22:40:32.887457 2026] [security2:error] [pid 29875:tid 29875] [client 103.164.255.21:60160] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close\|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close\|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found\|\|www.thebeeplace.com\|F\|4"] [data "close, keep-alive"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "www.thebeeplace.com"] [uri "/403.shtml"] [unique_id "auAPIEYJ0jvw5ZkCwo7g9AAAAAA"], referer: https://thebeeplace.com/ show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 kosada.com	2026-10-19 04:23:17 (2 weeks ago)	Repeated requests classified as pathological web bot behavior, for example: /[redacted]?topics%5B3%5D=53&topics%5B4%5D=89&topics%5B5%5D=55&topics%5B6%5D=70 (HTTP/2.0 port 443, user agent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/5 ... show more Repeated requests classified as pathological web bot behavior, for example: /[redacted]?topics%5B3%5D=53&topics%5B4%5D=89&topics%5B5%5D=55&topics%5B6%5D=70 (HTTP/2.0 port 443, user agent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36") show less	DDoS Attack Bad Web Bot
🇺🇸 TPI-Abuse	2026-10-04 01:43:05 (4 weeks ago)	(mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Sat Oct 03 21:42:57.883154 2026] [security2:error] [pid 21752:tid 21752] [client 103.164.255.21:53348] ... show more (mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Sat Oct 03 21:42:57.883154 2026] [security2:error] [pid 21752:tid 21752] [client 103.164.255.21:53348] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close\|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close\|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found\|\|cabanaconstructionandpaving.com\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "cabanaconstructionandpaving.com"] [uri "/"] [unique_id "asGvIaXa5_puZeb8OpEdpwAAAAQ"], referer: https://highqualitybacklinkgenerator.store/dir/ranking-boost-backlinks-32037 show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-10-02 16:58:35 (1 month ago)	(mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Fri Oct 02 12:58:25.831961 2026] [security2:error] [pid 4629:tid 4629] [client 103.164.255.21:48792] M ... show more (mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Fri Oct 02 12:58:25.831961 2026] [security2:error] [pid 4629:tid 4629] [client 103.164.255.21:48792] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close\|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close\|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found\|\|exotic-dancers-los-angeles.com\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "exotic-dancers-los-angeles.com"] [uri "/"] [unique_id "ar_iseDu28UdiX1a675oCwAAABQ"], referer: https://linkbuildingagency.website/dir/expert-link-building-services-68653 show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 鬼影233	2026-10-01 13:31:03 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0	Bad Web Bot
🇺🇸 鬼影233	2026-10-01 12:21:42 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36	Bad Web Bot
🇺🇸 鬼影233	2026-10-01 10:40:02 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36	Bad Web Bot
🇺🇸 鬼影233	2026-09-30 03:28:08 (1 month ago)	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36	Bad Web Bot
🇺🇸 TPI-Abuse	2026-09-29 06:31:37 (1 month ago)	(mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Tue Sep 29 02:31:30.822948 2026] [security2:error] [pid 19154:tid 19154] [client 103.164.255.21:37948] ... show more (mod_security) mod_security (id:210350) triggered by 103.164.255.21 (-): 1 in the last 300 secs; Ports: ; Direction: 1; Trigger: LF_MODSEC; Logs: [Tue Sep 29 02:31:30.822948 2026] [security2:error] [pid 19154:tid 19154] [client 103.164.255.21:37948] ModSecurity: Access denied with code 403 (phase 2). Pattern match "\\\\b(close\|keep-alive),[\\\\t\\\\n\\\\r ]{0,1}(close\|keep-alive)\\\\b" at REQUEST_HEADERS:Connection. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/12_HTTP_Protocol.conf"] [line "70"] [id "210350"] [rev "1"] [msg "COMODO WAF: Multiple/Conflicting Connection Header Data Found\|\|areaware-archive.com\|F\|4"] [data "keep-alive, close"] [severity "WARNING"] [tag "CWAF"] [tag "Protocol"] [hostname "areaware-archive.com"] [uri "/"] [unique_id "artbQvLhJQnYV1zdXZOqZQAAAAs"], referer: https://bulkpachecker.shop/dir/natural-link-building-services-12391 show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 鬼影233	2026-09-26 14:12:12 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0	Bad Web Bot
🇺🇸 鬼影233	2026-09-26 13:44:14 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36	Bad Web Bot
🇵🇱 bmino.pl	2026-09-26 12:24:28 (1 month ago)	Autoban IP(2): 103.164.255.21 - Hostname: Maher International - City: Chittagong - Country: Bangladesh - Organization: Maherinternational - Reason: GET /?g=pzch187wx16003aeqsyuq HTTP/1.1	Web App Attack
🇺🇸 鬼影233	2026-09-26 04:45:37 (1 month ago)	Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36 Edg/144.0.0.0	Bad Web Bot
🇩🇪 LRob	2026-09-26 01:42:03 (1 month ago)	This address is taking part in a large-scale, distributed L7 DDoS against an online shop: automated requests to the shop's search, filter and sort pages — the most expensive pages to serve — sent with no referer and with no page asset loaded, so no b ... show more This address is taking part in a large-scale, distributed L7 DDoS against an online shop: automated requests to the shop's search, filter and sort pages — the most expensive pages to serve — sent with no referer and with no page asset loaded, so no browser is behind them. Each participating address sends only one or two such requests, but we count them by the million: a botnet, compromised devices, or abused proxies. The address is blocked. An investigation into what exactly sends these requests from your network (malware, an open proxy, a rented device) would help stop the attack at its source. \| path: /3-velos \| query: q=Taille-XL/Cat%C3%A9gories-V%C3%A9los+Gravel+%5C-+S%C3%A9lection+homme+et+femme \| 2026-09-26 01:42 UTC show less	DDoS Attack Web App Attack

Showing 1 to 15 of 57 reports

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

Recently Reported IPs:

🇵🇰 160.250.114.146

🇺🇸 66.33.23.204

🇨🇦 51.222.36.246

🇧🇷 45.188.135.0

🇺🇸 34.11.123.54

🇮🇪 20.13.164.162

🇹🇼 198.235.24.39

🇫🇮 193.187.110.160

🇸🇪 172.234.124.171

🇧🇷 168.0.16.41

🇺🇸 167.71.176.82

🇺🇸 163.192.196.161

🇪🇨 157.100.111.154

🇮🇳 152.58.180.11

🇷🇸 109.207.37.121

🇭🇰 101.36.119.203

🇫🇮 62.233.39.41

🇺🇸 45.204.127.199

🇳🇱 45.148.10.121

🇨🇭 185.191.236.38