Bot IP: 18.116.51.117
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.
Likely legitimate
Track-A-Bot Trust Score: 75/100
75
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: 3
- ⏱️ Age: 155h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 3 First seen: Apr 18th, 2024 10:57 PM Last seen: Apr 25th, 2024 10:57 AM
Known Hostname(s)
ec2-18-116-51-117.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 a web crawler that accesses websites to gather publicly available information. Visits from claudebot, as seen from the user agent string 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' and the hostname 'ec2-18-116-51-117.us-east-2.compute.amazonaws.com', typically indicate automated indexing or data collection activity. The bot may be used for research, AI training, or analytics purposes. If claudebot is visiting your website, it is likely crawling public pages rather than interacting with users directly. To verify this activity, check your server logs for the user agent and IP address, perform a reverse DNS lookup on the IP, and review your robots.txt file to manage crawler access.
What does claudebot do?
Claudebot appears to function as an automated web crawler, identifying itself in its user agent and originating from an Amazon EC2 instance. Its activity involves visiting various URLs on public websites, likely to index or analyze content. The bot does not appear to interact with forms or perform actions beyond standard page requests. Claudebot's stated contact in the user agent is 'claudebot@anthropic.com', suggesting a possible association with Anthropic, though this should be independently verified. To manage claudebot's access, consider updating your robots.txt file, monitoring request frequency, and adding the IP to allow or block lists as needed.
Is claudebot safe?
Based on available data, claudebot identifies itself transparently and uses a consistent user agent. There are no widespread reports of malicious behavior associated with this bot, but as with any automated crawler, it is important to monitor its activity. Excessive or unexpected requests could impact site performance. Recommended actions include: 1) Monitor server logs for unusual patterns; 2) Use rate limiting or web application firewall (WAF) rules if necessary; 3) Perform reverse DNS checks to confirm the bot's origin; 4) Specify crawl permissions in your robots.txt file; 5) Add the IP to allow or block lists based on your site's needs. If concerns persist, contact the address listed in the user agent for more information.
This page provides a detailed lookup for the bot with the IP address of 18.116.51.117, 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.