84.54.71.139📋 Copy

INTELLIGENCE BRIEFING: IP 84.54.71.139

Classification: Low Risk Target with High-Risk Subnet Environment

Date: Current

Source: IPDebrief Intelligence Platform

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EXECUTIVE SUMMARY

IP 84.54.71.139 is classified as a low-risk address with no direct threat indicators, though it resides within a /24 subnet exhibiting elevated abuse density (47.4%). The address shows no open services, no blacklisting, and clean reputation metrics across all threat feeds. However, the neighboring infrastructure demonstrates significant malicious activity requiring contextual awareness.

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RISK PROFILE

Geolocation:

• Country: United States (US)
• Region: Massachusetts (US-MA)
• City: Boston
• Timezone: America/New_York
• Geographic Validation: Consensus confirmed

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NETWORK CHARACTERISTICS

Infrastructure Classification:

• Service Purpose: Firewalled / No Services
• Open Ports: None detected
• CDN/Cloud/Hosting: No
• Mobile/Residential: No
• VPN/Proxy: No

DNS Status:

• Reverse DNS (PTR): Unresolved
• Forward Resolution: Not confirmed
• Hosted Domains: 0

Control Plane:

• Routing Stability: False
• Route Changes (30d): 0
• RPKI State: Not validated
• DNSBL Listings: 0

Network Traceroute:

• Hop Count: 29
• Transit Networks: Comcast, Zayo
• Timed Out Hops: 10

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SUBNET ENVIRONMENT ANALYSIS (84.54.71.0/24)

Abuse Density: 0.474 (47.4%)

Neighbor Count: 19

Risk Distribution in Subnet:

• High Risk: 9 IPs
• Medium Risk: 9 IPs
• Low Risk: 0 IPs

High-Risk Neighbor IPs (Risk Score ≥ 70):

• 84.54.71.3 (Score: 80)
• 84.54.71.25 (Score: 70)
• 84.54.71.34 (Score: 80)
• 84.54.71.37 (Score: 80)
• 84.54.71.38 (Score: 80)
• 84.54.71.66 (Score: 70)
• 84.54.71.69 (Score: 70)
• 84.54.71.142 (Score: 80)
• 84.54.71.145 (Score: 80)
• 84.54.71.149 (Score: 80)
• 84.54.71.152 (Score: 80)
• 84.54.71.197 (Score: 80)

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OBSERVATION HISTORY

Nine signal observations recorded. Most recent observation (2026-07-29) indicates:

• Subnet classification: Clean
• Inherited risk: 2
• Total siblings: 20
• Active siblings: 8
• Threat siblings: 1

Historical data shows consistent low-risk classification for this specific IP despite subnet-level abuse activity.

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RELATIONSHIP MAPPING

No direct relationships identified:

• Related subnets: None
• Associated hostnames: None
• Organizational links: None
• Certificate associations: None

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THREAT INDICATORS

Direct Threat Indicators:

• Known attacker: False
• Spam source: False
• Tor exit node: False
• Known campaigns: None

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RECOMMENDED SECURITY ACTIONS

For SOC Analysts:

1. Contextual Awareness: While 84.54.71.139 itself presents no direct threat, the high abuse density (47.4%) in its /24 subnet warrants monitoring for potential lateral movement or compromised infrastructure sharing.

2. Traffic Analysis: Implement monitoring for inbound/outbound connections from the 84.54.71.0/24 block, particularly to/from the 12 high-risk neighbor IPs identified.

3. Blocklist Evaluation: No immediate blocking required for this IP, but maintain awareness of subnet-level abuse patterns.

4. Log Correlation: Cross-reference any connection attempts with the high-risk neighbor IPs (84.54.71.3, 84.54.71.25, 84.54.71.34, 84.54.71.37, 84.54.71.38, 84.54.71.142, 84.54.71.145, 84.54.71.149, 84.54.71.152, 84.54.71.197) to identify potential coordinated activity.

5. Geographic Context: Boston-based address; correlate with other traffic patterns from US-MA region if applicable to threat hunting.

Firewall Recommendations:

• No immediate blocking rules required
• Consider rate-limiting or monitoring for any connections from 84.54.71.0/24 if business justification exists
• Maintain observability on the subnet for potential abuse spillover

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CONFIDENCE LEVEL: High

Data Sufficiency: Moderate (control plane and ownership data limited)

Assessment: This IP address is currently benign but operates within a high-abuse subnet environment. SOC teams should monitor subnet-level activity while maintaining standard procedures for the target IP.

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