216.151.138.85📋 Copy

## IP Intelligence Briefing: 216.151.138.85/32

Classification: Enterprise Infrastructure - Cisco Webex LLC

Risk Level: Moderate Risk (Score: 40/100)

Date: 2026-06-24

Executive Summary

IP 216.151.138.85 is associated with Cisco Webex LLC (ASN 13445), operating as legitimate enterprise infrastructure. The IP presents a moderate risk score primarily due to neighborhood abuse density context rather than intrinsic malicious activity. No active threat indicators, blacklist entries, or known campaign associations detected.

Ownership and Registration

• Organization: Cisco Webex LLC
• ASN: 13445
• RIR: ARIN
• Location: San Jose, California, USA
• Classification: Firewalled / No Services

Network Analysis

• BGP Prefix: 216.151.128.0/20
• Control Plane: Operator score 0.1304 (Minimal)
• Route Stability: Not stable (route changes observed)
• DNSSEC: Valid
• DNSBL Listed: 1 of 8 lists

Threat Intelligence Assessment

• Reputation: Moderate Risk
• Threat Indicators: None
• Blacklist Count: 0
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Campaign Association: None

Service Analysis

• Open Ports: None detected
• TLS Certificate: None
• HTTP Services: None
• DNS Records: No PTR hostnames, no forward resolution
• Email Auth: No SPF/DMARC records

Historical Risk Profile

Analysis of 46 observations indicates consistent low-risk behavior:

• Recent operator scores: "Minimal" (0.1304)
• No significant risk escalation observed
• Threat persistence days: 0
• Not persistently malicious

Neighborhood Analysis (216.151.138.0/24)

• Abuse Density: High (1.0)
• Risk Distribution: 0 High, 97 Medium, 3 Low
• Active Siblings: 151 of 256 total IPs
• Threat Siblings: 256 total
• Conclusion: Neighborhood shows elevated abuse activity, suggesting the moderate risk score may be inherited from subnet context rather than the target IP itself.

Relationship Graph

• Total Relationships: 173
• Primary Classification: Same Network (CS-1711)
• Organizational Links: None detected
• Hostname Associations: None detected

Recommended Actions

Based on risk profile:

1. No immediate blocking required - IP is legitimate enterprise infrastructure

2. Monitor for service changes - IP is currently firewalled with no services

3. Contextual review - Consider neighborhood abuse density when evaluating traffic patterns from this subnet

4. Allow list - Cisco Webex is a known legitimate enterprise service

Threat Assessment

No active threat indicators present. The moderate risk score (40) appears to be a false positive driven by neighborhood abuse density rather than the IP itself being malicious. This is legitimate Cisco Webex infrastructure operating with no open services or threat activity.

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