Bot IP: 220.181.108.166
Bot Name: Baidu Spider
Baidu Spider is the official web crawler of Baidu, the leading search engine in China. It systematically browses and indexes web pages to provide up-to-date search results for Baidu users.
Verified bot
Track-A-Bot Trust Score: 92/100
92
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
- ✅ Hostname resembles bot name
- ℹ️ Hostname status not verified
- ✅ No hostname mismatch flags
Behavior
- ℹ️ No /robots.txt request observed
- ✅ No referrer (typical crawler behavior)
- ✅ Mostly 200/304 responses
- 📌 Visits: 32
- ⏱️ Age: 11579h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 32 First seen: Aug 17th, 2024 8:08 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
baiduspider-220-181-108-166.crawl.baidu.com
Known User Agent(s)
Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)Mozilla/5.0 (Linux;u;Android 4.2.2;zh-cn;) AppleWebKit/534.46 (KHTML,like Gecko) Version/5.1 Mobile Safari/10600.6.3 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)
Known Accepted Language(s)
zh-cn,zh-tw
Known Accepted Encoding(s)
gzip
Common User-Agent Tokens
These are identifiers found inside user-agent strings we observed for baiduspider.
Token
Seen
First seen
Last seen
baiduspider/2.0
2,245
4/10/24
12/12/25
baiduspider/2.0
2,245 seen
baiduspider/2.0
2,245 seen
First
4/10/24
Last
12/12/25
baiduspider-render/2.0
798
4/10/24
12/8/25
baiduspider-render/2.0
798 seen
baiduspider-render/2.0
798 seen
First
4/10/24
Last
12/8/25
Identity Links
These are URLs we observed in association with baiduspider (often used as an identity, help, or policy link).
URL
Seen
First seen
Last seen
First
4/10/24
Last
12/12/25
Bot FAQ for this IP
Why is baiduspider visiting my website?
Baiduspider is a web crawler operated by Baidu, a major search engine based in China. The crawler visits websites to index their content for inclusion in Baidu's search results. Recent activity from IP address 220.181.108.166 shows requests to various pages on this site, using the user agent 'Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)' and a reverse DNS hostname of 'baiduspider-220-181-108-166.crawl.baidu.com'. This behavior is typical of search engine bots gathering publicly available information. If your website is accessible to the public, it is common for search engine crawlers like Baiduspider to visit and index your pages.
What does baiduspider do?
Baiduspider is designed to automatically browse and index web pages for Baidu's search engine. It collects information about website content, structure, and links to help Baidu deliver relevant search results to its users. The crawler identifies itself with a specific user agent string and typically follows the rules set in a site's robots.txt file. Website owners can verify Baiduspider's identity by checking the user agent, performing a reverse DNS lookup on the IP address, and reviewing access logs for consistent crawling patterns. To manage Baiduspider's access, consider updating your robots.txt file, monitoring crawl activity, or using allow/block lists as needed.
Is baiduspider safe?
Baiduspider is generally considered a legitimate search engine crawler. The IP address 220.181.108.166 resolves to a Baidu-owned domain, and the user agent matches Baiduspider's documented format. However, as with any automated bot, it is important to verify authenticity and monitor for unusual behavior. Recommended steps include: 1) Perform a reverse DNS lookup to confirm the IP belongs to Baidu; 2) Check the user agent string for accuracy; 3) Use robots.txt to control crawler access; 4) Implement rate limiting or web application firewall (WAF) rules to prevent excessive requests; 5) Regularly review server logs for unexpected activity. If unwanted or suspicious behavior is detected, consider blocking the IP or adjusting site access policies.
This page provides a detailed lookup for the bot with the IP address of 220.181.108.166, 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.