51.195.183.139
Neutral Activity
There is no recent abuse activity, or the IP address is whitelisted.
Whitelisted Subnet
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.
51.195.183.139 is on our whitelist as Ahrefs Crawler via the subnet 51.195.183.0/24.
- ISP
- Ahrefs Pte Ltd Dmytro
- Usage Type
- Data Center/Web Hosting/Transit
- ASN
- AS16276
- Hostname(s)
- proxy-uk003-cip140.ahrefs.net
- Domain Name
- ahrefs.com
- Country
- 🇬🇧 United Kingdom of Great Britain and Northern Ireland
- City
- London, England
Abuse Reports
Total reports
195 from
29 distinct
reporters
First reported
Most recent report
Recent reports
We have received reports of abusive activity from this IP address within the last week.
This IP is on our whitelist as Ahrefs Crawler.
Shared services like this are often reported for traffic that is not abuse, so review the reports
before blocking.
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| Anonymous |
Honeypot: http-public exploit attempts delivering a download/call-back URL /archive/old/jayden.wisniewski/
|
Web App Attack | |
| 🇩🇪 ghostwarriors |
Webpage scraping
|
Brute-Force Bad Web Bot Web App Attack | |
| 🇩🇪 palzer.IT |
Report for plesk-apache-badbot: 51.195.183.139 - - [26/Oct/2026:10:55:00 +0100] GET /ueber-uns [DOMAIN_REMOVED] 200 14305 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇺🇸 SX Communications |
|
DDoS Attack Bad Web Bot Exploited Host | |
| 🇩🇪 palzer.IT |
Report for plesk-apache-badbot: 51.195.183.139 - - [26/Oct/2026:10:55:00 +0100] GET /ueber-uns [DOMAIN_REMOVED] 200 14305 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇩🇪 palzer.IT |
Report for plesk-apache-badbot: 51.195.183.139 - - [26/Oct/2026:10:55:00 +0100] GET /ueber-uns [DOMAIN_REMOVED] 200 14305 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇨🇦 Mediashaker |
(apache-useragents) Failed apache-useragents trigger with match [redacted] from 51.195.183.139 (FR/France/proxy-uk003-cip140.ahrefs.net)
|
Bad Web Bot | |
| 🇺🇸 SX Communications |
|
DDoS Attack Bad Web Bot Exploited Host | |
| 🇩🇪 palzer.IT |
Fail2ban automatic report for plesk-apache-badbot: 51.195.183.139 - - [05/Oct/2026:11:31:25 +0200] GET /tischreservierung-restaurant/ [DOMAIN_REMOVED] 200 45468 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇩🇪 ghostwarriors |
Webpage scraping
|
Brute-Force Bad Web Bot Web App Attack | |
| 🇩🇪 palzer.IT |
Fail2ban automatic report for plesk-apache-badbot: 51.195.183.139 - - [05/Oct/2026:11:31:25 +0200] GET /tischreservierung-restaurant/ [DOMAIN_REMOVED] 200 45468 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇺🇸 SX Communications |
|
DDoS Attack Bad Web Bot Exploited Host | |
| 🇩🇪 palzer.IT |
Fail2ban automatic report for plesk-apache-badbot: 51.195.183.139 - - [02/Oct/2026:07:38:02 +0200] GET /sitemap_index.xml [DOMAIN_REMOVED] 200 6036 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
|
Bad Web Bot | |
| 🇩🇪 ghostwarriors |
Webpage scraping
|
Brute-Force Bad Web Bot Web App Attack | |
| 🇫🇮 kumiko |
[2026-09-27 10:39:22] Known bad bot [Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)]
|
Bad Web Bot Web App Attack |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown