116.179.32.138📋 Copy

# INTELLIGENCE BRIEFING: 116.179.32.138

Classification: LOW RISK / BENIGN INFRASTRUCTURE

Date: 2026-07-22

Analysis Reference: IPDebrief Intelligence Platform

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## EXECUTIVE SUMMARY

IP 116.179.32.138 is classified as LOW RISK with an overall risk score of 25/100. The address resolves to Baidu search infrastructure (baiduspider-116-179-32-138.crawl.baidu.com) and represents legitimate crawler activity. No malicious threat indicators detected. No immediate action required for SOC monitoring.

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## TECHNICAL PROFILE

Network Classification

• IP Address: 116.179.32.138/32
• Risk Score: 25 (Low Risk)
• Provider Score: 0
• Authority Score: 0
• Stability Score: 0
• Network Role: Firewalled / No Services
• Cloud/CDN/VPN: No
• Infrastructure Type: Unknown

DNS Resolution

• PTR Hostname: baiduspider-116-179-32-138.crawl.baidu.com
• Forward Resolution: Confirmed
• Forward Hostnames: baiduspider-116-179-32-138.crawl.baidu.com
• Domain: baidu.com
• Email Authentication: SPF and DMARC records present

Control Plane Data

• Origin ASN: 4837
• BGP Prefix: 116.179.0.0/16
• RPKI State: Valid
• DNSSEC: Valid
• DNSBL Listings: 1 of 8 total lists
• Operator Score: 0.2609 (Basic)

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## THREAT INTELLIGENCE

Threat Indicators

• Is Tor Exit Node: No
• Is Known Attacker: No
• Is Spam Source: No
• Abuse Confidence Score: Not applicable
• Threat Feeds: None
• Known Campaigns: None
• Blacklist Count: 0 (current profile)

Service Analysis

• Open Ports: None detected
• TLS Certificate: No certificate found
• HTTP Title: No response
• Server Banner: No banner detected

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## NEIGHBORHOOD ANALYSIS

Subnet Context

• Subnet: 116.179.32.0/24
• Total Siblings: 186
• Active Siblings: 36
• Threat Siblings: 22
• Abuse Density: 0 (current snapshot)
• Classification: Mostly Clean

Risk Distribution in Subnet

• High Risk: 0 IPs
• Medium Risk: 36 IPs
• Low Risk: 35 IPs

Notable Neighbors

Multiple neighboring IPs detected with elevated risk scores (50/100) and authority scores (60/100), including:

• 116.179.32.12-16 (riskScore: 50, authorityScore: 60)

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## OBSERVATION HISTORY

Signal Timeline (11 Total Observations)

Most Recent Observation (2026-07-22):

• Subnet Classification: Mostly Clean
• Abuse Density: 0.1183 (11.83%)
• Inherited Risk: 4/10
• Confidence Level: 0.75

Key Historical Signals:

• DNS Blacklist: 1 listing detected (max severity: high) among 8 total lists
• Operator Classification: Basic (raw score: 0.3)
• Certificate Analysis: 0 certificates resolved via crt-sh
• Ownership Changes: 0 events recorded
• Threat Persistence: 0 days observed

Temporal Indicators:

• Is Persistently Malicious: No
• Threat Observation Count: 0
• Threat Persistence Days: 0

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## RELATIONSHIP MAPPING

Identified Associations

• DNS Association: baiduspider-116-179-32-138.crawl.baidu.com (repeated)
• Organization: Baidu (implied via hostname pattern)

Campaign Correlation

• Campaign Likelihood: None
• Certificate Matches: 0
• Banner Matches: 0
• Correlated IPs: 0

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## SECURITY RECOMMENDATIONS

Current Status

No immediate action required. The IP demonstrates benign characteristics consistent with Baidu search crawler infrastructure.

Recommended Actions

• Monitoring: Continue standard traffic monitoring
• Firewall Rules: Not recommended (risk score below action threshold)
• Threat Hunting: No active investigation needed

Mitigation Context

The IP resolves to a recognized search engine crawler hostname with valid DNSSEC and email authentication. While 22 threat-sibling IPs exist in the /24 subnet, the target IP itself shows no malicious behavior indicators.

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## CONCLUSION

IP 116.179.32.138 represents legitimate Baidu search crawler infrastructure. The address maintains a low-risk profile (25/100) with no evidence of malicious activity. DNS resolution to baiduspider confirms expected behavior for search engine crawlers. The subnet shows mixed risk distribution but no direct correlation to the target IP.

Recommendation: Allow traffic; no security intervention required.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.