142.44.233.39📋 Copy

# IP INTELLIGENCE BRIEFING: 142.44.233.39/32

Classification: Moderate Risk

Date of Analysis: Current

Reporting Officer: IPDebrief Intelligence Team

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## Executive Summary

IP address 142.44.233.39 is classified as Moderate Risk (Risk Score: 50). The address is hosted within OVH infrastructure under the Ahrefs organization (ASN 16276). While the IP itself shows no direct malicious indicators, it resides within a subnet exhibiting elevated abuse density, which warrants continued monitoring.

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## Technical Profile

Ownership and Registration

• ASN: 16276
• Organization: Dmytro, Ahrefs Pte Ltd
• Network Name: OVH-CUST-281059682
• CIDR Block: 142.44.233.0/24
• RIR: ARIN
• Infrastructure Type: CloudCompute (Hosting enabled)

Geolocation Data

• Country: Canada (CA)
• Region: Quebec
• City: Singapore
• Accuracy Radius: 3000 km
• Geo Sources: 1 (consensus: true)

> Note: Geolocation data shows inconsistency between country (CA) and city (Singapore), indicating potential geolocation data quality issues.

Network Services

• Open Ports: None detected
• TLS Certificate: None
• HTTP Banner: None
• Service Purpose: Firewalled / No Services

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## DNS Analysis

• PTR Hostnames: proxy-ca003-san39.ahrefs.net
• Forward Resolution: proxy-ca003-san39.ahrefs.net (Forward confirmed: false)
• DNSSEC Valid: true
• CAA Records: Present
• Email Authentication: SPF not configured, DMARC not configured

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## Threat Indicators

• Abuse Confidence Score: Not available
• Blacklist Count: 0
• DNSBL Listings: 2 of 8 total lists
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Known Campaigns: None identified

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## Neighborhood Analysis

The IP resides within subnet 142.44.233.0/24:

• Subnet Classification: High Abuse
• Abuse Density: 0.8086 (elevated)
• Total Siblings: 256
• Active Siblings: 210
• Threat Siblings: 207
• Inherited Risk: 32

> Assessment: The subnet shows significant abuse activity with 80.86% abuse density. This contextual risk should be factored into threat assessment decisions.

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## Observation History

Total observations: 19

Recent signals indicate:

• DNS resolution to ahrefs.net domain with CAA records
• Subnet classification consistent with high abuse designation
• Operator score: 0.2174 (labeled as "Minimal")
• No emerging threat patterns detected

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## Relationship Graph

The IP maintains 28 relationship connections:

• Same Network (28 instances): OVH-CUST-281059682
• DNS Associations (15 instances): proxy-ca003-san39.ahrefs.net

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## Recommended Security Actions

Based on the risk profile, the following firewall rules are recommended:

```bash

# iptables

iptables -A INPUT -s 142.44.233.39 -j DROP

# nftables

nft add rule inet filter input ip saddr 142.44.233.39 drop

# nginx

deny 142.44.233.39;

# pfSense

142.44.233.39/32

# Cloudflare WAF

ip.src eq 142.44.233.39 → BLOCK

# AWS WAF

Addresses: 142.44.233.39/32

```

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## Intelligence Assessment

The IP 142.44.233.39 represents a moderate-risk address associated with legitimate infrastructure (ahrefs.net) but operating within a high-abuse subnet. Key considerations:

1. Contextual Risk: The subnet's 0.8086 abuse density suggests potential for abuse by neighboring IPs

2. No Direct Threats: The IP itself shows no malicious indicators, blacklists, or campaign associations

3. Infrastructure Profile: Cloud hosting environment with firewalled services

4. Geolocation Inconsistencies: Data quality issues may impact threat correlation

Recommendation: Monitor the subnet 142.44.233.0/24 for broader activity patterns. Consider blocking the IP if it generates suspicious traffic, but note that the address itself is not currently flagged as malicious.

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*This briefing is based on IPDebrief intelligence data. Firewall rules should be reviewed and tested in a staging environment before production deployment.*

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