Bot IP: 3.133.141.6
Bot Name: ClaudiuBot
ClaudeBot is the web crawler and automated agent associated with Anthropic, used to support the operation, improvement, and reliability of Claude.ai. It may access public web content for tasks such as model training, quality evaluation, and system analysis, typically identifying itself through recognizable user-agent or IP patterns.
Unverified
Track-A-Bot Trust Score: 55/100
55
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
- ℹ️ No /robots.txt request observed
- ℹ️ Referrer seen
- ⚠️ Many non-200/304 responses
- 📌 Visits: 1
- ⏱️ Age: 0h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 1 First seen: Apr 19th, 2024 10:46 PM Last seen: Apr 19th, 2024 10:46 PM
Known Hostname(s)
ec2-3-133-141-6.us-east-2.compute.amazonaws.com
Known User Agent(s)
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Common User-Agent Tokens
These are identifiers found inside user-agent strings we observed for claudebot.
Token
Seen
First seen
Last seen
claudebot
28,575
3/18/24
12/12/25
claudebot
28,575 seen
claudebot
28,575 seen
First
3/18/24
Last
12/12/25
anthropic.com
28,361
4/18/24
12/12/25
anthropic.com
28,361 seen
anthropic.com
28,361 seen
First
4/18/24
Last
12/12/25
claudebot/1.0
28,361
4/18/24
12/12/25
claudebot/1.0
28,361 seen
claudebot/1.0
28,361 seen
First
4/18/24
Last
12/12/25
10_15_7
119
5/28/25
12/12/25
10_15_7
119 seen
10_15_7
119 seen
First
5/28/25
Last
12/12/25
support
31
4/18/24
11/20/25
support
31 seen
support
31 seen
First
4/18/24
Last
11/20/25
Identity Links
No identity links have been observed yet for claudebot.
Bot FAQ for this IP
Why is claudebot visiting my website?
Claudebot is visiting websites as part of automated web crawling activity. The user agent string observed—'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)'—indicates that this bot identifies itself as 'ClaudeBot' and provides a contact email at Anthropic. The hostname for the IP address 3.133.141.6 resolves to an Amazon EC2 instance, which is commonly used for cloud-based bots and crawlers. Claudebot may be indexing content, collecting data for analysis, or performing other automated tasks. If you want to verify the bot's legitimacy, check the reverse DNS for the IP, review your server logs for visit patterns, and consult the robots.txt file to see if the bot respects crawl directives.
What does claudebot do?
Claudebot appears to be an automated web crawler or bot, as indicated by its user agent and hostname. While specific details about its purpose are not provided in the available data, such bots typically index website content, monitor changes, or gather data for research or AI training. The user agent references Anthropic, a known AI company, suggesting a possible connection. To better understand its activity, review the URLs it accesses, monitor its frequency, and check for documentation or contact information provided in the user agent. If needed, update your robots.txt file to specify crawl permissions or reach out to the listed contact for more information.
Is claudebot safe?
Based on the available information, Claudebot identifies itself transparently and provides a contact email, which is a positive sign. The bot uses a recognizable user agent and originates from a cloud provider (Amazon EC2), which is common for legitimate crawlers but also for some unwanted bots. There are no immediate indications of malicious behavior in the provided visit data. However, as with any automated traffic, it is important to monitor for excessive requests or unusual patterns. To manage access, consider implementing rate limiting, updating your robots.txt file, using allow/block lists, setting up web application firewall (WAF) rules, and regularly reviewing server logs for unexpected activity.
This page provides a detailed lookup for the bot with the IP address of 3.133.141.6, 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.