Track-A-Bot website logo and homepage link

Bot IP: 54.38.85.37

Bot Name: MJ12bot
MJ12bot is a web crawler operated by Majestic, used primarily for building a large-scale web index for SEO and link analysis.
Verified bot
Track-A-Bot Trust Score: 95/100
0255075100
Why Track-A-Bot rated this IP (tap to expand)

Identity

  • ✅ Marked as bot traffic
  • ✅ Bot name present
  • ✅ User-agent matches bot name
  • ✅ User-agent includes identity link/email

Hostname

  • ✅ Hostname observed
  • ℹ️ Hostname does not resemble bot name
  • ℹ️ Hostname status not verified
  • ✅ No hostname mismatch flags

Behavior

  • ✅ Requested /robots.txt
  • ✅ No referrer (typical crawler behavior)
  • ✅ Mostly 200/304 responses
  • 📌 Visits: 167
  • ⏱️ Age: 15279h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 167 First seen: Mar 16th, 2024 3:55 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
ns31051770.ip-54-38-85.eu
Known User Agent(s)
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)
Known Accepted Language(s)
en
Known Accepted Encoding(s)
br,gzip

Common User-Agent Tokens

These are identifiers found inside user-agent strings we observed for mj12bot.

Token
Seen
First seen
Last seen
mj12bot/v1.4.8
32,219
3/16/24
12/12/25
mj12bot/v1.4.8 32,219 seen
First 3/16/24
Last 12/12/25
mj12bot/v2.0.0
4,134
2/13/25
12/12/25
mj12bot/v2.0.0 4,134 seen
First 2/13/25
Last 12/12/25
mj12bot/v2.0.2
2,056
5/22/25
12/12/25
mj12bot/v2.0.2 2,056 seen
First 5/22/25
Last 12/12/25
mj12bot/v2.0.4
1,929
8/13/25
12/12/25
mj12bot/v2.0.4 1,929 seen
First 8/13/25
Last 12/12/25
mj12bot/v2.0.1
1,117
5/6/25
12/12/25
mj12bot/v2.0.1 1,117 seen
First 5/6/25
Last 12/12/25
ident
16
3/2/25
12/12/25
ident 16 seen
First 3/2/25
Last 12/12/25
m08fnqhytir7
16
3/2/25
12/12/25
m08fnqhytir7 16 seen
First 3/2/25
Last 12/12/25
unknown
12
5/28/25
12/12/25
unknown 12 seen
First 5/28/25
Last 12/12/25

Identity Links

These are URLs we observed in association with mj12bot (often used as an identity, help, or policy link).

URL
Seen
First seen
Last seen
41,452
3/16/24
12/12/25
mj12bot.com/ 41,452 seen mj12bot.com
First 3/16/24
Last 12/12/25
www.majestic12.co.uk/bot.php?+ 3 seen www.majestic12.co.uk
First 8/1/25
Last 8/1/25

Bot FAQ for this IP


Why is mj12bot visiting my website?

mj12bot is visiting your website as part of its web crawling activities. According to the recent logs, it accessed multiple pages from the same IP address (54.38.85.37) with the user agent 'Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)'. This bot is commonly associated with Majestic, a company that builds a web index for SEO and link analysis. Crawlers like mj12bot typically scan public web pages to collect data about links and site structure. If you do not want mj12bot to crawl your site, you can disallow it in your robots.txt file. To manage its activity, consider rate limiting, monitoring your logs for unusual patterns, and using a web application firewall (WAF) if needed.

What does mj12bot do?

mj12bot is a web crawler that collects data about websites, mainly for building a search index and analyzing backlinks. Its user agent and reverse DNS (ns31051770.ip-54-38-85.eu) match known patterns for mj12bot. The bot typically visits public pages to gather information about how websites are linked across the internet. This data is often used by SEO tools and services. If you want to verify the bot, check its user agent and reverse DNS, and consult the official mj12bot website for more details. You can control its access using robots.txt or by blocking its IP if necessary.

Is mj12bot safe?

Based on the user agent, IP address, and reverse DNS, the visits appear consistent with the legitimate mj12bot. Generally, mj12bot is not known to be malicious, but as with any crawler, it can consume bandwidth and resources. To ensure safety: 1) Monitor your server logs for excessive or suspicious activity. 2) Use robots.txt to set crawl rules. 3) Implement rate limiting to prevent overload. 4) Use a WAF to block unwanted traffic. 5) If you are unsure about the legitimacy, verify the bot by checking its reverse DNS and comparing it to official documentation. If problems persist, consider blocking the IP.

This page provides a detailed lookup for the bot with the IP address of 54.38.85.37, based on real-world traffic observed across websites using Track-A-Bot software. Use this information to verify whether activity from this IP belongs to a legitimate search engine crawler, or to analyze bot behavior on your website.