Bot IP: 37.57.218.243
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
95
score
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: 65
- ⏱️ Age: 15216h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 65 First seen: Mar 18th, 2024 6:51 PM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
243.218.57.37.triolan.net
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
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
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
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
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
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
ident
16 seen
First
3/2/25
Last
12/12/25
m08fnqhytir7
16
3/2/25
12/12/25
m08fnqhytir7
16 seen
m08fnqhytir7
16 seen
First
3/2/25
Last
12/12/25
unknown
12
5/28/25
12/12/25
unknown
12 seen
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
First
3/16/24
Last
12/12/25
First
8/1/25
Last
8/1/25
Bot FAQ for this IP
Why is mj12bot visiting my website?
mj12bot is visiting your website to crawl and index its content. According to the user agent string (Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)) and the reverse DNS (243.218.57.37.triolan.net), this bot identifies itself as mj12bot. Its purpose is typically to gather information about web pages for search or data analysis. If you did not specifically invite this bot, it is likely crawling your site as part of its general indexing activities. You can control or limit its access using a robots.txt file, rate limiting, or by blocking its IP address if needed.
What does mj12bot do?
mj12bot is a web crawler that scans websites to collect and index information, often for search engines or data analysis projects. Based on its user agent and crawling pattern, it systematically visits multiple pages on your site. While the bot claims to be mj12bot, you should always verify its identity by checking the user agent and reverse DNS, and by consulting the official mj12bot website for more details. If you want to manage its activity, you can use robots.txt directives, monitor your logs, or set up firewall rules.
Is mj12bot safe?
mj12bot is a well-known web crawler, but safety cannot be guaranteed solely based on its user agent or hostname. The bot from IP 37.57.218.243 identifies as mj12bot and uses a typical crawler user agent. However, some bots may spoof user agents, so always verify by checking reverse DNS and consulting official resources. To protect your site: 1) Use robots.txt to control access; 2) Implement rate limiting to prevent excessive requests; 3) Monitor your server logs for unusual activity; 4) Use a web application firewall (WAF) for added security; 5) Block the IP if you notice unwanted behavior. Stay vigilant and review bot activity regularly.
This page provides a detailed lookup for the bot with the IP address of 37.57.218.243, 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.