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AbuseIPDB » 51.161.37.250

51.161.37.250 was found in our database!

This IP was reported 58 times. Confidence of Abuse is 0%: ?

ISP	Dmytro, Ahrefs Pte Ltd
Usage Type	Data Center/Web Hosting/Transit
ASN	AS16276
Hostname(s)	proxy-ca005-san250.ahrefs.net
Domain Name	ahrefs.net
Country	🇨🇦 Canada
City	Beauharnois, Quebec

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

Important Note: 51.161.37.250 is an IP address from within our whitelist belonging to the subnet 51.161.37.0/24, which we identify as: "Ahrefs Crawler".

Whitelisted netblocks are typically owned by trusted entities, such as Google or Microsoft who may use them for search engine spiders. However, these same entities sometimes also provide cloud servers and mail services which are easily abused. Pay special attention when trusting or distrusting these IPs.

Report 51.161.37.250

Whois 51.161.37.250

IP Abuse Reports for 51.161.37.250:

This IP address has been reported a total of 58 times from 21 distinct sources. 51.161.37.250 was first reported on August 27th 2025, and the most recent report was 13 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
🇮🇳 dineshskt4all	2026-07-11 12:39:43 (13 hours ago)	51.161.37.250 - - [11/Jul/2026:12:38:09 +0000] "GET /casino-in-uk-18-and-over/ HTTP/1.1" 200 19968 " ... show more 51.161.37.250 - - [11/Jul/2026:12:38:09 +0000] "GET /casino-in-uk-18-and-over/ HTTP/1.1" 200 19968 "-" "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)" ... show less	IoT Targeted
🇩🇪 ghostwarriors	2026-07-05 02:50:27 (6 days ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-06-16 02:50:38 (3 weeks ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-06-14 20:50:41 (3 weeks ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇮🇪 Jim Keir	2026-06-10 23:16:27 (1 month ago)	2026-06-10 23:16:26 51.161.37.250 Bad bot, blocking Mozilla/5.0	Bad Web Bot
🇺🇸 TPI-Abuse	2026-06-07 20:23:57 (1 month ago)	(mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): ... show more (mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Sun Jun 07 16:23:54.021602 2026] [security2:error] [pid 4495:tid 4495] [client 51.161.37.250:18028] ModSecurity: Access denied with code 403 (phase 2). Match of "pmFromFile userdata_wl_extensions" against "TX:extension" required. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/10_HTTP_HTTP.conf"] [line "27"] [id "210730"] [rev "5"] [msg "COMODO WAF: URL file extension is restricted by policy\|\|www.gundiahgazette.com.au\|F\|2"] [data ".com"] [severity "CRITICAL"] [tag "CWAF"] [tag "HTTP"] [hostname "www.gundiahgazette.com.au"] [uri "/[email protected]"] [unique_id "aiXTWhCbj8W9pq1I0AmHMgAAABQ"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-06-02 01:22:33 (1 month ago)	(mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): ... show more (mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Mon Jun 01 21:22:28.411773 2026] [security2:error] [pid 29026:tid 29026] [client 51.161.37.250:51618] ModSecurity: Access denied with code 403 (phase 2). Match of "pmFromFile userdata_wl_extensions" against "TX:extension" required. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/10_HTTP_HTTP.conf"] [line "27"] [id "210730"] [rev "5"] [msg "COMODO WAF: URL file extension is restricted by policy\|\|williamfitzsimmons.com\|F\|2"] [data ".harlows.com"] [severity "CRITICAL"] [tag "CWAF"] [tag "HTTP"] [hostname "williamfitzsimmons.com"] [uri "/www.harlows.com"] [unique_id "ah4wVO_kBcn5bYP51v5n6AAAAAY"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-05-30 03:30:24 (1 month ago)	(mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): ... show more (mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Fri May 29 23:30:20.625382 2026] [security2:error] [pid 24552:tid 24552] [client 51.161.37.250:52826] ModSecurity: Access denied with code 403 (phase 2). Match of "pmFromFile userdata_wl_extensions" against "TX:extension" required. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/10_HTTP_HTTP.conf"] [line "27"] [id "210730"] [rev "4"] [msg "COMODO WAF: URL file extension is restricted by policy\|\|www.onlinesoldier.com\|F\|2"] [data ".thereisnone.com"] [severity "CRITICAL"] [tag "CWAF"] [tag "HTTP"] [hostname "www.onlinesoldier.com"] [uri "/Basics/www.thereisnone.com"] [unique_id "ahpZzMf3GjdYGpARYDEuDAAAAAI"] show less	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-05-24 22:20:12 (1 month ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇮🇪 Jim Keir	2026-05-07 14:36:36 (2 months ago)	2026-05-07 14:36:35 51.161.37.250 Bad bot, blocking Mozilla/5.0	Bad Web Bot
🇩🇪 ghostwarriors	2026-05-04 17:50:11 (2 months ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇺🇸 TPI-Abuse	2026-04-24 05:48:01 (2 months ago)	(mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): ... show more (mod_security) mod_security (id:210730) triggered by 51.161.37.250 (proxy-ca005-san250.ahrefs.net): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Fri Apr 24 01:47:54.253816 2026] [security2:error] [pid 9375:tid 9375] [client 51.161.37.250:61574] ModSecurity: Access denied with code 403 (phase 2). Match of "pmFromFile userdata_wl_extensions" against "TX:extension" required. [file "/etc/apache2/conf.d/modsec_vendor_configs/comodo_apache/10_HTTP_HTTP.conf"] [line "27"] [id "210730"] [rev "5"] [msg "COMODO WAF: URL file extension is restricted by policy\|\|williamfitzsimmons.com\|F\|2"] [data ".troubadour.com"] [severity "CRITICAL"] [tag "CWAF"] [tag "HTTP"] [hostname "williamfitzsimmons.com"] [uri "/news/0328-william-adds-chattanooga-date-uscan-tour/www.troubadour.com"] [unique_id "aesECjB7pCS2kFv4t7J58gAAAAI"] show less	Brute-Force Bad Web Bot Web App Attack
🇺🇸 vdub144	2026-04-24 03:54:01 (2 months ago)	Automated report from Gross Automation security system. \| Attack type: meta_ai_scraper \| Path: /prod ... show more Automated report from Gross Automation security system. \| Attack type: meta_ai_scraper \| Path: /product/TCI/KLR2ETBDR \| UA: Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/) \| Blocked by: nginx-bot-hell show less	Bad Web Bot
🇩🇪 ghostwarriors	2026-04-21 01:50:08 (2 months ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-04-05 07:50:09 (3 months ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack

Showing 1 to 15 of 58 reports

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