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54.39.136.9

Neutral Activity Whitelisted Subnet

Abuse confidence score ?

0% Low Risk

64 reports

20 reporters · latest 1 day ago

54.39.136.9 is an IP address from within our whitelist belonging to the subnet 54.39.136.0/24, which we identify as "Ahrefs Crawler".

ISP	Dmytro, Ahrefs Pte Ltd
Usage Type	Data Center/Web Hosting/Transit
ASN	AS16276
Hostname(s)	proxy-ca002-cip10.ahrefs.net
Domain Name	ahrefs.net
Country	🇨🇦 Canada
City	Montreal, Quebec

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IP Abuse Reports for 54.39.136.9

This IP address has been reported a total of 64 times from 20 distinct sources. 54.39.136.9 was first reported on August 30th 2025, and the most recent report was 1 day ago. In the last 60 days, the top reporter locations were: Germany with 5 reports; United Kingdom of Great Britain and Northern Ireland with 2 reports; Singapore with 1 report. The most common categories in these recent reports were: Bad Web Bot 8 times; Brute-Force 3 times; Web App Attack 3 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇩🇪 DocNetzwerk	2026-09-23 10:51:17 (1 day ago)	(apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Cana ... show more (apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Canada/proxy-ca002-cip10.ahrefs.net) show less	Bad Web Bot
🇩🇪 ghostwarriors	2026-09-21 12:20:31 (3 days ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-09-18 18:51:36 (6 days ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇬🇧 Mendip_Defender	2026-09-16 21:48:53 (1 week ago)	54.39.136.9 - - [16/Sep/2026:22:49:09 +0100] "GET /robots.txt HTTP/1.1" 200 5794 "-" "Mozilla/5.0 (c ... show more 54.39.136.9 - - [16/Sep/2026:22:49:09 +0100] "GET /robots.txt HTTP/1.1" 200 5794 "-" "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)" ... show less	Bad Web Bot
🇩🇪 ghostwarriors	2026-09-15 11:51:15 (1 week ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 palzer.IT	2026-09-08 15:15:46 (2 weeks ago)	Fail2ban automatic report for plesk-apache-badbot: 54.39.136.9 - - [08/Sep/2026:17:15:30 +0200] GET ... show more Fail2ban automatic report for plesk-apache-badbot: 54.39.136.9 - - [08/Sep/2026:17:15:30 +0200] GET /robots.txt [DOMAIN_REMOVED] 200 6040 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED] show less	Bad Web Bot
🇬🇧 Mendip_Defender	2026-08-06 01:03:14 (1 month ago)	54.39.136.9 - - [06/Aug/2026:02:03:19 +0100] "GET / HTTP/2.0" 403 146 "-" "Mozilla/5.0 (compatible; ... show more 54.39.136.9 - - [06/Aug/2026:02:03:19 +0100] "GET / HTTP/2.0" 403 146 "-" "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)" ... show less	Bad Web Bot
🇸🇬 anotherwatcher	2026-07-28 08:51:08 (1 month ago)	bad bot	Bad Web Bot
🇩🇪 ghostwarriors	2026-07-25 05:51:20 (1 month ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-07-21 22:50:05 (2 months ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack
🇳🇱 GabrielJST	2026-07-20 09:05:32 (2 months ago)	(apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Cana ... show more (apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Canada/proxy-ca002-san9.ahrefs.net) show less	Bad Web Bot
🇩🇪 rh24	2026-07-11 15:01:35 (2 months ago)	(apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Cana ... show more (apache-useragents) Failed apache-useragents trigger with match [redacted] from 54.39.136.9 (CA/Canada/proxy-ca002-san9.ahrefs.net) show less	Bad Web Bot
🇺🇸 TPI-Abuse	2026-07-10 14:28:11 (2 months ago)	(mod_security) mod_security (id:210730) triggered by 54.39.136.9 (proxy-ca002-san9.ahrefs.net): 1 in ... show more (mod_security) mod_security (id:210730) triggered by 54.39.136.9 (proxy-ca002-san9.ahrefs.net): 1 in the last 300 secs; Ports: *; Direction: 1; Trigger: LF_MODSEC; Logs: [Fri Jul 10 10:28:08.007643 2026] [security2:error] [pid 3908708:tid 3908708] [client 54.39.136.9:63304] 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\|\|med-engineering.com\|F\|2"] [data ".qvzn.med-engineering.com.ide.cs"] [severity "CRITICAL"] [tag "CWAF"] [tag "HTTP"] [hostname "med-engineering.com"] [uri "/pdb.qvzn.med-engineering.com.ide.cs"] [unique_id "alEBeCWe61b3A4fzBn8kfQAAAAk"] show less	Brute-Force Bad Web Bot Web App Attack
Anonymous	2026-06-29 22:07:17 (2 months ago)	54.39.136.9 - - [30/Jun/2026:06:07:16 +0800] "GET /baogucms/media/movie/1627634435_ghostintheshell_1 ... show more 54.39.136.9 - - [30/Jun/2026:06:07:16 +0800] "GET /baogucms/media/movie/1627634435_ghostintheshell_1.png HTTP/1.1" 200 425481 "-" "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)" ... show less	Bad Web Bot Web App Attack
🇩🇪 ghostwarriors	2026-06-22 11:50:13 (3 months ago)	Webpage scraping	Brute-Force Bad Web Bot Web App Attack

Showing 1 to 15 of 64 reports

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