51.195.244.255

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.

Abuse Confidence Score
0% Low Risk
187 reports
32 reporters · latest 1 day ago

51.195.244.255 is on our whitelist as Ahrefs Crawler via the subnet 51.195.244.0/24.

ISP
Ahrefs Pte Ltd Dmytro
Usage Type
Data Center/Web Hosting/Transit
ASN
AS16276
Hostname(s)
proxy-uk000-cip256.ahrefs.net
Domain Name
ahrefs.com
Country
🇬🇧 United Kingdom of Great Britain and Northern Ireland
City
Erith, England
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Abuse Reports

Total reports
187 from 32 distinct reporters
First reported
Most recent report
Last 60 days
Top reporter locations 🇩🇪 Germany 8 🇬🇧 United Kingdom of Great Britain and Northern Ireland 5 🇺🇸 United States of America 5
Most common categories Bad Web Bot 20 Web App Attack 9 Brute-Force 6 DDoS Attack 5 Exploited Host 5
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
🇨🇦 Mediashaker
(apache-useragents) Failed apache-useragents trigger with match [redacted] from 51.195.244.255 (GB/United Kingdom/proxy-uk000-cip256.ahrefs.net)
Bad Web Bot
🇺🇸 SX Communications
DDoS Attack Bad Web Bot Exploited Host
🇩🇪 ghostwarriors
Webpage scraping
Brute-Force Bad Web Bot Web App Attack
Anonymous
Honeypot: http-public exploit attempts delivering a download/call-back URL /archive/2024-11/posters-whitelist.html
Web App Attack
🇩🇪 ghostwarriors
Webpage scraping
Brute-Force Bad Web Bot Web App Attack
Anonymous
Honeypot: http-public exploit attempts delivering a download/call-back URL /archive/economy/simpson_survival.part1
Web App Attack
🇩🇪 palzer.IT
Report for plesk-apache-badbot: 51.195.244.255 - - [01/Nov/2026:05:47:32 +0100] GET /media/com_visforms/css/visforms.min.css?36ec45b6580736379e8fc672dbd7225d [DOMAIN_REMOVED] 200 5497 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
Bad Web Bot
Anonymous
apache vulnerability scan
Web App Attack
🇺🇸 SX Communications
DDoS Attack Bad Web Bot Exploited Host
🇬🇧 Mendip_Defender
51.195.244.255 - - [28/Oct/2026:08:20:07 +0000] "GET / HTTP/1.1" 200 2349 "-" "Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)" ...
Bad Web Bot
🇫🇷 ingroscart.it
(apache-useragents) Failed apache-useragents trigger with match [redacted])
Bad Web Bot
🇩🇪 ghostwarriors
Webpage scraping
Brute-Force Bad Web Bot Web App Attack
🇩🇪 ghostwarriors
Webpage scraping
Brute-Force Bad Web Bot Web App Attack
🇺🇸 SX Communications
HTTP application-layer DoS / botnet traffic from 51.195.244.255: repeated high-cost dynamic page and feed requests (profile/tag views, forums, tracker, RSS) at abusive rates via completed TCP/HTTPS. Likely compromised end-user host.
DDoS Attack Bad Web Bot Exploited Host
🇩🇪 palzer.IT
Fail2ban automatic report for plesk-apache-badbot: 51.195.244.255 - - [11/Oct/2026:11:17:36 +0200] GET / [DOMAIN_REMOVED] 200 28097 - Mozilla/5.0 (compatible; AhrefsBot/7.0; +[DOMAIN_REMOVED]
Bad Web Bot

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

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