172.234.231.111📋 Copy

## IPDEBRIEF INTELLIGENCE BRIEFING

Target: 172.234.231.111/32

Classification: Cloud Infrastructure Host

Risk Assessment: Moderate Risk (Score: 40)

Report Date: June 16, 2026

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EXECUTIVE SUMMARY

Target 172.234.231.111 is a Linode cloud computing host located in the US (Washington region). The IP exhibits moderate risk characteristics with no active threat indicators but maintains basic cloud hosting attributes. The subnet shows minimal abuse density, and the target is not associated with known malicious campaigns.

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INFRASTRUCTURE PROFILE

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THREAT INDICATORS

• Risk Score: 40 (Moderate)
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Blacklist Count: 0
• DNSBL Listings: 2 of 8 total lists
• Abuse Confidence: Not scored
• Known Campaigns: None identified
• Persistent Malicious Activity: No

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NETWORK SERVICES

Open Ports:

• TCP/22 (SSH) - SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.15

DNS Analysis:

• PTR Record: 172-234-231-111.ip.linodeusercontent.com
• Forward Resolution: Confirmed
• SPF Records: None
• DMARC Records: None
• Hosted Domains: 0

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SUBNET NEIGHBORHOOD ASSESSMENT

Subnet: 172.234.231.0/24

• Abuse Density: 0 (Clean classification)
• Total Siblings: 2
• Active Siblings: 1
• Threat Siblings: 0

Neighbor Profile:

• 172.234.231.96: Risk Score 25, Authority Score 60

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OBSERVATION HISTORY

Eighteen signal observations recorded since analysis began. Key historical signals include:

• Recent port scans identifying SSH service
• Subnet classification consistently marked as "clean"
• No ownership changes detected
• No threat persistence indicators

No evidence of evolving risk posture over the observation period.

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RELATIONSHIP GRAPH

Nine relationships identified:

• Multiple same-network associations to LINODE network
• DNS associations to 172-234-231-111.ip.linodeusercontent.com
• No external organizational or certificate-based relationships detected

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RECOMMENDED ACTIONS

Risk Score: 40 - Moderate Risk

Suggested Firewall Rules:

• iptables: `iptables -A INPUT -s 172.234.231.111 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 172.234.231.111 drop`
• nginx: `deny 172.234.231.111;`
• pfSense: `172.234.231.111/32`

Additional Recommendations:

• No specific recommendations generated due to moderate risk profile
• Consider monitoring for SSH-based attacks given open port 22
• Review DNSBL listings for potential reputation concerns
• Validate against internal threat intelligence before implementing block rules

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ANALYST NOTES

This IP represents a standard cloud hosting environment with typical Linode infrastructure characteristics. The moderate risk score stems primarily from basic hosting classification and DNSBL listings rather than active malicious behavior. No immediate threat indicators require escalation. SOC teams should weigh the risk score against operational requirements before implementing blocking measures, particularly given the clean subnet neighborhood and lack of active threat indicators.

Classification: Defensive Intelligence

Data Source: IPDebrief Automated Analysis

Disclaimer: Recommendations are probabilistic and should be combined with additional signals before action.

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