51.195.183.81
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.
51.195.183.81 is an IP address from within our whitelist belonging to the subnet 51.195.183.0/24, which we identify as "Ahrefs Crawler".
| ISP | Ahrefs Pte Ltd Dmytro |
|---|---|
| Usage Type | Data Center/Web Hosting/Transit |
| ASN | AS16276 |
| Hostname(s) | proxy-uk003-cip82.ahrefs.net |
| Domain Name | ahrefs.com |
| Country | 🇬🇧 United Kingdom of Great Britain and Northern Ireland |
| City | London, England |
ISP, Usage Type, and Location provided by IPInfo. Updated weekly.
IP Abuse Reports for 51.195.183.81
This IP address has been reported a total of 195 times from 37 distinct sources. 51.195.183.81 was first reported on , and the most recent report was . In the last 60 days, the top reporter locations were: Germany with 11 reports; Ireland with 4 reports; Finland with 3 reports. The most common categories in these recent reports were: Bad Web Bot 20 times; Web App Attack 10 times; Brute-Force 6 times; Port Scan 4 times; Hacking 1 time; Other 2 times.
| Reporter | IoA Timestamp (UTC) | Comment | Categories | |
|---|---|---|---|---|
| 🇫🇮 kumiko |
|
Bad Web Bot Web App Attack | ||
| 🇩🇪 Hazzard |
(apache-useragents) Failed apache-useragents trigger with match [redacted]): (CF_ENABLE)
|
Bad Web Bot | ||
| 🇩🇪 ghostwarriors |
Webpage scraping
|
Brute-Force Bad Web Bot Web App Attack | ||
| 🇩🇪 netclix.gr |
|
Port Scan | ||
| 🇩🇪 4server |
|
Port Scan Brute-Force Web App Attack | ||
| 🇩🇪 Hazzard |
(apache-useragents) Failed apache-useragents trigger with match [redacted]): (CF_ENABLE)
|
Bad Web Bot | ||
| 🇩🇪 netclix.gr |
|
Port Scan | ||
| 🇫🇷 ingroscart.it |
(apache-useragents) Failed apache-useragents trigger with match [redacted])
|
Bad Web Bot | ||
| 🇨🇦 Mediashaker |
|
Bad Web Bot | ||
| 🇮🇪 Jim Keir |
2026-09-01 22:00:35 51.195.183.81 Bad bot, blocking Mozilla/5.0
|
Bad Web Bot | ||
| 🇩🇪 ghostwarriors |
Webpage scraping
|
Brute-Force Bad Web Bot Web App Attack | ||
| 🇩🇪 netclix.gr |
|
Port Scan | ||
| 🇵🇱 Budyn |
|
Bad Web Bot Web App Attack | ||
| 🇮🇪 Jim Keir |
2026-08-14 13:26:59 51.195.183.81 Bad bot, blocking Mozilla/5.0
|
Bad Web Bot | ||
| 🇮🇪 Jim Keir |
2026-08-14 13:04:42 51.195.183.81 Bad bot, blocking Mozilla/5.0
|
Bad Web Bot |
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