NORAD.io
OVERVIEWCOUNTRIESBOTSTHREATS

SOGOU SPIDER

LOW RISK🔍 SEARCH & AI CRAWLER

Sogou search engine crawler — China's third-largest search engine (Tencent-owned)

ORGANIZATION
Sogou
FIRST SEEN
2008-01
RESPECTS ROBOTS.TXT
✓ YES
DOCUMENTATION
www.sogou.com
—
DAILY VISITS
—
COUNTRIES ACTIVE
TRACKING
STATUS
—
LAST SEEN

📡 SOGOU SPIDER USER-AGENT STRING

Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)

This is the User-Agent header sent by Sogou Spider in HTTP requests. Use this to identify Sogou Spider in your server access logs.

📋 ABOUT SOGOU SPIDER

Sogou Spider is the web crawler for Sogou, China's third-largest search engine after Baidu and Bing. Sogou is owned by Tencent, the Chinese technology giant behind WeChat, and its search results power search functionality within WeChat's ecosystem — the dominant messaging platform in China with over 1.3 billion users.

Sogou Spider is less aggressive than Baiduspider and generates lower traffic volumes, particularly for non-Chinese websites. It respects robots.txt directives and primarily focuses on Chinese-language content. For businesses targeting the Chinese market, especially through WeChat and Tencent's ecosystem, Sogou Spider indexing contributes to discoverability.

NORAD.io tracks Sogou Spider as part of its comprehensive Chinese search engine crawler monitoring. Understanding Sogou Spider activity is relevant for organizations with a presence in the Chinese market or those monitoring crawler activity from Chinese origins.

🎯 HOW TO DETECT SOGOU SPIDER

  • ▸User-Agent contains 'Sogou web spider'
  • ▸Crawls from Chinese IP ranges
  • ▸Lower volume than Baiduspider for non-Chinese sites
  • ▸Important for WeChat and Tencent ecosystem visibility
  • ▸Verify via reverse DNS to sogou.com domains

🌐 SOGOU SPIDER KNOWN IP RANGES

111.202.100.0/22123.126.51.0/24218.30.103.0/24

Use these CIDR ranges to verify Sogou Spider identity at the network level. Always combine with User-Agent verification for accurate detection.

🔄 CRAWL BEHAVIOR

Moderate crawl rates. Respects robots.txt. Primarily crawls Chinese-language content. Less aggressive than Baiduspider. Does not render JavaScript.

PURPOSE

Indexes web content for Sogou Search, China's third-largest search engine owned by Tencent. Also powers search features within WeChat and Tencent's ecosystem.

🤖 ROBOTS.TXT CONFIGURATION

User-agent: Sogou web spider
Allow: /

# To block:
# User-agent: Sogou web spider
# Disallow: /

Sogou Spider respects robots.txt directives. Add this to your robots.txt file at the root of your domain.

→ Complete Guide: robots.txt for AI Bots

🗺️ WHERE IS SOGOU SPIDER ACTIVE?

🇺🇸
United States
🇨🇦
Canada
🇲🇽
Mexico
🇬🇹
Guatemala
🇨🇺
Cuba
🇭🇹
Haiti
🇩🇴
Dominican Republic
🇭🇳
Honduras
🇳🇮
Nicaragua
🇸🇻
El Salvador
🇨🇷
Costa Rica
🇵🇦
Panama

⚠️ RELATED THREATS

Prompt Injection

Attempts to override bot instructions via malicious content embedded in web pages

Data Exfiltration

Bots attempting to extract sensitive data from websites including PII and credentials

Credential Stuffing

Automated login attempts using leaked credentials from data breaches

Aggressive Content Scraping

Bots aggressively scraping content beyond robots.txt limits and ToS

📂 MORE 🔍 SEARCH & AI CRAWLERS

GPTBotOpenAIClaudeBotAnthropicGooglebotGoogleGoogle-ExtendedGoogleBingbotMicrosoftBytespiderByteDance

📚 RELATED GUIDES

How to Detect AI Bots →robots.txt for AI Bots →NORAD API Docs →

PROTECT YOUR WEBSITE

Deploy SiteTrust to monitor and control AI bot access to your site with the Agent Passport Standard.

INSTALL SITETRUST →