216.151.137.111📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 216.151.137.111/32

Date: 2026-06-24

Classification: Defensive Security Assessment

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## EXECUTIVE SUMMARY

IP 216.151.137.111 is a legitimate infrastructure address owned by Cisco Webex LLC (ASN 13445). The IP presents as Low Risk with no active threat indicators. The address is currently firewalled with no accessible services. Network context indicates this is part of a Cisco-managed /20 block (216.151.128.0/20) with moderate neighborhood activity levels.

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## OWNERSHIP & INFRASTRUCTURE

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## THREAT ASSESSMENT

Risk Score: 0.0 (Low Risk)

Abuse Confidence: Not applicable

Blacklist Status: 0 listings

Tor Exit Node: No

Known Attacker: No

Spam Source: No

Active Campaigns: None detected

The IP shows no evidence of malicious activity. Threat feeds and reputation sources contain no adversarial indicators.

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## NETWORK SERVICES

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## NEIGHBORHOOD ANALYSIS (216.151.137.0/24)

The /24 subnet demonstrates typical enterprise infrastructure characteristics with moderate abuse density. Seveny-two threat sibling IPs detected across the neighborhood, but none correlated with the target IP.

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## OBSERVATION HISTORY

Total Observations: 42 signals

Threat Persistence Days: 0

Ownership Changes: 0

Recent signal activity includes:

• 2026-06-24 15:40: ASN routing confirmation (13445)
• 2026-06-24 15:40: Neighborhood classification (mixed)
• 2026-06-24 12:38: Risk operator score (Minimal)
• 2026-06-24 12:38: Comprehensive profile data collection

The IP has demonstrated consistent behavior with no threat escalation patterns. Ownership has remained stable since 2017.

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## RELATIONSHIP GRAPH

Total Relationships: 131

Primary Association: Same Network (CS-1711) — 126+ relationships

All relationships map to the same network prefix. No cross-organizational or multi-ASN connections detected.

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## ROUTING & CONTROL PLANE

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## RECOMMENDATIONS

SOC Actions

1. No immediate blocking required — IP presents legitimate enterprise characteristics

2. Monitor for service activation — Currently firewalled; alert on port scan activity

3. Correlate with Cisco Webex threat intelligence — Cross-reference any Webex-related campaigns

4. Whitelist consideration — If this IP appears in threat logs, investigate false positive indicators

Firewall Rules (Reference)

```bash

# No action required — IP is not flagged as malicious

# Standard enterprise filtering applies

```

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## CONCLUSION

IP 216.151.137.111 is a legitimate Cisco Webex infrastructure address with no active threat indicators. The IP is part of a larger /20 block with moderate neighborhood risk levels. No defensive action is required at this time. SOC analysts should maintain standard monitoring protocols and correlate with any Webex-specific threat intelligence campaigns.

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