81.17.28.130📋 Copy

# IP Intelligence Briefing: 81.17.28.130

Classification: Low Risk / Passive Infrastructure

Date: July 2026

Analysis Scope: Full profile, historical signals, network relationships, and neighborhood assessment

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## Executive Summary

IP 81.17.28.130 presents as a low-risk, passive infrastructure endpoint with a risk score of 25. The address is registered to organization "Milciades Garcia" under netname CLIENTID2647 within ASN 51852. While the IP itself shows minimal threat indicators, network-level analysis reveals one adjacent IP (81.17.28.95) with medium risk (score 49), suggesting potential for lateral investigation within the subnet.

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## Network Profile

Ownership & Registration:

• ASN: 51852
• Organization: Milciades Garcia
• Netname: CLIENTID2647
• CIDR Block: 81.17.28.128/27
• RIR: RIPE

Geolocation:

• Primary Location: London, GB
• Secondary Sources: Zurich, CH; Panama, CH
• Consensus Status: Inconsistent (geoConsensus: false, geoPlausible: false)
• Timezone: Europe/London

Network Role Classification:

• Infrastructure Type: Firewalled / No Services
• Open Ports: None detected
• Services: None actively running
• Classification: Not provider, CDN, VPN, proxy, Tor exit, or hosting service

DNS Analysis:

• PTR Hostname: hostedby.privatelayer.com
• Forward Resolution: hostedby.privatelayer.com (forwardConfirmed: false)
• Email Authentication: SPF and DMARC records present
• Forward Resolution Count: 1

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## Threat Indicators

Risk Assessment:

• Overall Risk Score: 25 (Low Risk)
• Abuse Confidence Score: Not assigned
• Blacklist Status: Listed on 1 of 8 DNSBL sources
• Known Campaigns: None detected
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

Control Plane Data:

• Route Stability: False (isRouteStable: false)
• RPKI State: Not evaluated
• DNSSEC: Valid
• Operator Score: 0.1304 (Minimal)

Behavioral Signals:

• Honeypot Hits: 0
• Threat Persistence: 0 days
• Campaign Likelihood: Not assessed

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## Historical Analysis

Observation Count: 14 signals observed

Temporal Trends:

• Recent Geolocation: Inconsistent reporting across multiple sources (London/GB, Zurich/CH, Panama/CH)
• Organization: Consistent attribution to "Milciades Garcia" across observations
• Operator Score: 0.15 (Minimal)
• Data Sufficiency: Variable (0.125 overall confidence in recent measurements)

Signal Timeline:

• Ownership and geolocation signals observed as recently as 2026-07-22T23:46:34
• No significant threat signal escalation detected in observation window

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## Network Relationships

Direct Associations:

1. Same Network: CLIENTID2647

2. DNS Associations: hostedby.privatelayer.com (2 entries)

Network Classification:

• The IP shares network identity with CLIENTID2647, suggesting private or infrastructure-level usage

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## Neighborhood Assessment

Subnet: 81.17.28.130/24

Neighbor Analysis:

• Total Siblings: 1
• Active Siblings: 1
• Abuse Density: 0

Notable Neighbor:

• IP: 81.17.28.95
• Risk Score: 49 (Medium Risk)
• Authority Score: 50

Risk Distribution in Subnet:

• High Risk: 0
• Medium Risk: 1
• Low Risk: 0

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## Recommended Actions

Immediate: No automated firewall rules generated due to low risk profile.

Defensive Recommendations:

1. Monitor Adjacent IP: Flag 81.17.28.95 for closer observation (risk score 49)

2. DNSBL Monitoring: Track listing status across 8 DNSBL sources (currently listed on 1)

3. Route Stability: Investigate BGP route instability (isRouteStable: false) for potential infrastructure changes

4. Geolocation Consistency: Monitor for persistent geolocation inconsistencies which may indicate proxy usage or misconfiguration

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## Intelligence Narrative

IP 81.17.28.130 operates as a low-risk endpoint with no active services and minimal threat indicators. The address resolves to privatelayer.com infrastructure but lacks forward resolution confirmation, suggesting either passive hosting or incomplete DNS configuration. While the IP itself presents minimal risk (score 25), the subnet contains one medium-risk neighbor (81.17.28.95) warranting periodic review. The geolocation inconsistency across multiple data sources indicates the IP may be used for infrastructure that reports conflicting location data. No active campaigns or malicious indicators associated with this address. SOC analysts should focus monitoring efforts on the adjacent IP 81.17.28.95 for potential correlation investigations.

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