57.131.50.86📋 Copy

# IP Intelligence Briefing: 57.131.50.86/32

## Executive Summary

IP address 57.131.50.86 is classified as Moderate Risk (score: 40) and operates on OVH cloud infrastructure in Italy. The IP presents as a single-service cloud compute host with minimal threat indicators, though DNSBL listings suggest prior abuse history.

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## Network Profile

Ownership & Infrastructure

• ASN: 16276 (OVH Srl)
• NetName: VPS-EU-SOUTH-MIL-VPS-1
• CIDR Block: 57.131.50.0/24
• Infrastructure Type: Cloud Compute / Hosting Provider
• PTR Record: vps-578f2b35.vps.ovh.net

Geolocation

• Country: Italy (IT)
• Region: 18 (Italia)
• Geo Confidence: Plausible (500km accuracy radius)
• Note: Historical observation (2026-07-30) reported US geolocation (New York), suggesting potential spoofing or inconsistent reporting

Network Services

• Open Ports: TCP/22 (SSH - OpenSSH_8.9p1 Ubuntu-3ubuntu0.16)
• DNS Records: Forward confirmed with valid SPF and DMARC
• TLS Certificate: None observed
• HTTP: No active web services detected

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## Threat Assessment

Risk Indicators

• Risk Score: 40 (Moderate)
• DNSBL Listings: 2 out of 8 total blacklists
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Known Campaigns: None correlated

Control Plane Analysis

• Route Stability: Unstable (isRouteStable: false)
• RPKI State: Not validated
• DNSSEC: Valid
• Operator Score: 0.2609 (Basic classification)

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## Observation History (22 Signals)

Recent activity timeline reveals:

• 2026-08-05: Traceroute observations (28 hops) and control plane scans
• 2026-07-30: Banner/campaign correlation (likelihood: none)
• Geographic Discrepancy: One observation recorded US geolocation despite Italian registration
• No Persistent Malicious Behavior: ThreatPersistenceDays: 0

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## Neighborhood Analysis (57.131.50.0/24)

Neighbor Risk Distribution:

• High Risk: 0
• Medium Risk: 1 (57.131.50.125, score: 40)
• Low Risk: 1 (57.131.50.56, score: 25)

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## Relationship Graph

Primary associations:

• DNS Hostnames: vps-578f2b35.vps.ovh.net (multiple associations)
• Network: VPS-EU-SOUTH-MIL-VPS-1 (OVH infrastructure)
• External Organizations: None identified
• Certificates: None

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## Recommended Actions

Monitoring Priorities

1. Monitor SSH traffic on port 22 for lateral movement attempts

2. Track DNSBL status - currently listed on 2 of 8 lists

3. Verify geographic consistency - investigate US geolocation discrepancy

4. Watch for neighborhood correlation with IPs 57.131.50.56 and 57.131.50.125

Defensive Rules (Optional)

```bash

# iptables

iptables -A INPUT -s 57.131.50.86 -j DROP

# nftables

nft add rule inet filter input ip saddr 57.131.50.86 drop

# AWS WAF

Addresses: 57.131.50.86/32

Description: IPDebrief risk 40

```

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## Intelligence Conclusions

IP 57.131.50.86 represents a moderate-risk cloud host with legitimate infrastructure but minor abuse indicators. The moderate risk score (40) primarily reflects DNSBL listings rather than active malicious behavior. The geographic discrepancy warrants monitoring but does not confirm spoofing without additional context.

Triage Recommendation: Monitor rather than block. If blocking is required, implement the provided firewall rules with awareness of potential impact on legitimate services. Correlate with any observed connection attempts to determine if additional action is warranted.

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