185.15.171.83📋 Copy

# IPDEBRIEF INTELLIGENCE BRIEFING

Target: 185.15.171.83/32

Classification: Moderate Risk (55/100)

Date of Analysis: 2026-07-30

---

## EXECUTIVE SUMMARY

IP 185.15.171.83 is a web server endpoint associated with Italian hosting provider DONATO CONTE (ASN 57558). The IP presents moderate risk (55/100) with no active threat indicators currently observed. While the IP itself shows no known malicious activity, the surrounding /24 subnet demonstrates elevated abuse density, warranting monitoring and potential traffic filtering.

---

## OWNERSHIP & GEOLOCATION

Network: METIS-V4-NET-2 (185.15.170.0/23)

Organization: DONATO CONTE

ASN: 57558

Registry: RIPE

Location: Tito, Basilicate, Italy (41.87°N, 12.57°E)

Geolocation Confidence: Low (500km radius)

---

## NETWORK PROFILE

Role: Web Server

Service: lighttpd/1.4.39

Open Ports: 80/TCP (HTTP), 443/TCP (HTTPS), 22/TCP (SSH - dropbear)

DNS: host083-171-015-185.retemetis.net → retemetis.net

Forward Resolution: Confirmed

Security Posture:

• DNSSEC: Valid
• SPF/DMARC: Not configured
• TLS Certificates: None detected
• HSTS/CSP: Not implemented

---

## THREAT ASSESSMENT

Risk Score: 55/100 (Moderate)

Abuse Confidence: N/A

Blacklist Status: 0 entries

DNSBL Listings: 3 of 8 lists

Known Campaigns: None

Tor Exit Node: No

Spam Source: No

Known Attacker: No

Control Plane:

• BGP Prefix: 185.15.168.0/22
• Route Stability: Unstable
• Route Changes (30d): 0
• RPKI State: Not assessed

---

## NEIGHBORHOOD ANALYSIS

Subnet: 185.15.171.83/24

Total Siblings: 96

Active Siblings: 66

Threat Siblings: 8

Abuse Density: 8.33%

Classification: Mostly Clean

Risk Distribution in /24:

• High Risk: 16 IPs
• Medium Risk: 76 IPs
• Low Risk: 3 IPs

*Note: Elevated high-risk neighbor count (16) within the subnet suggests coordinated or related infrastructure. Correlate traffic with other threat siblings.*

---

## OBSERVATION HISTORY

Total Observations: 21 signals

Threat Persistence Days: 0

Ownership Changes: 0

Persistent Malicious Behavior: No

Recent observations indicate consistent web server classification with no significant risk profile changes over the observation period.

---

## RELATED ENTITIES

DNS Associations:

• host083-171-015-185.retemetis.net (retemetis.net)

Network Associations:

• METIS-V4-NET-2 (185.15.170.0/23)

Correlated IPs: 0

---

## RECOMMENDED ACTIONS

Immediate:

• Increase logging verbosity for traffic from 185.15.171.83
• Review recent activity from this IP for anomalies

Mitigation Rules:

iptables:

```

iptables -A INPUT -s 185.15.171.83 -j DROP

```

nftables:

```

nft add rule inet filter input ip saddr 185.15.171.83 drop

```

nginx:

```

deny 185.15.171.83;

```

pfSense:

```

185.15.171.83/32

```

Cloudflare WAF:

```json

{

"description": "Block 185.15.171.83 — IPDebrief risk score 55",

"action": "block",

"filter": {

"expression": "ip.src eq 185.15.171.83"

}

}

```

AWS WAF:

```json

{

"Addresses": ["185.15.171.83/32"],

"Description": "IPDebrief risk 55"

}

```

---

## ANALYST NOTES

The target IP shows no intrinsic malicious activity but operates in a moderately risky subnet. The 16 high-risk neighbors in the /24 subnet suggest potential for lateral movement or shared infrastructure abuse. Consider blocking at perimeter if legitimate traffic patterns are not verified. Monitor for DNS queries to retemetis.net and SSH connection attempts, which may indicate reconnaissance activity.

Classification: MONITOR → BLOCK (if policy permits)

Severity: HIGH

Confidence: MODERATE

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