142.44.233.144📋 Copy

# IP INTELLIGENCE BRIEFING

Target IP: 142.44.233.144/32

Classification: Moderate Risk (Score: 40)

Date: Current

## Executive Summary

IP 142.44.233.144 is a cloud-hosted endpoint associated with Ahrefs Pte Ltd (OVH infrastructure). While the individual IP shows no direct threat indicators, the parent /24 subnet exhibits elevated abuse activity with 74% of active siblings flagged as threats. The IP resolves to a legitimate Ahrefs domain but requires monitoring due to neighborhood risk context.

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## Technical Profile

Ownership & Infrastructure

• Organization: Dmytro, Ahrefs Pte Ltd
• ASN: 16276 (OVH SAS)
• Network: OVH-CUST-281059682
• CIDR Block: 142.44.233.0/24
• Infrastructure Type: Cloud Compute / Hosting
• Geolocation: Singapore (geolocation validation flagged with 5,597km distance anomaly and RTT violation)

DNS Resolution

• PTR Hostname: proxy-ca003-san144.ahrefs.net
• Domain: ahrefs.net
• Forward Resolution: Confirmed (1 hostname)
• Email Authentication: No SPF/DMARC records configured

Service State

• Open Ports: None detected
• TLS Certificate: Not observed
• HTTP Services: Firewalled / No services exposed
• Classification: Cloud infrastructure endpoint

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## Neighborhood Analysis

Subnet: 142.44.233.0/24

• Abuse Density: 0.7422 (High Abuse Classification)
• Total Siblings: 256
• Active Siblings: 207
• Threat Siblings: 190 (72.5% of active siblings)
• Inherited Risk: 29
• Risk Distribution: Medium (96), Low (4), High (0)

The parent subnet shows significant abuse activity. This contextual factor elevates the threat profile beyond the individual IP assessment.

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## Threat Indicators

• Abuse Confidence Score: Not calculated
• Blacklist Count: 0
• Known Campaigns: None
• Tor Exit: False
• Known Attacker: False
• Spam Source: False
• DNSBL Listings: 1 out of 8 total lists
• Campaign Likelihood: None

Observation: No direct threat indicators on the individual IP. Primary risk derives from subnet-level abuse patterns.

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## Historical Signals (20 Observations)

Recent activity shows:

• Consistent DNS resolution to ahrefs.net domain
• Persistent abuse density signals (0.7422)
• Stable ownership patterns
• Minimal operator score (0.2174)
• No ownership or threat persistence changes detected

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## Security Actions

Recommendation: Monitor / Block based on operational policy

Firewall Rules:

• iptables: `iptables -A INPUT -s 142.44.233.144 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 142.44.233.144 drop`
• nginx: `deny 142.44.233.144;`
• pfSense: `142.44.233.144/32`
• Cloudflare WAF: Block with description "IPDebrief risk score 40"
• AWS WAF: Include in blacklist with description "IPDebrief risk 40"

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## Intelligence Assessment

The target IP represents a legitimate Ahrefs infrastructure endpoint but operates within a high-abuse subnet. The 74% threat sibling rate warrants attention. While the IP itself shows no malicious activity, network defenders should consider:

1. Blocklisting if the IP appears in threat feeds or correlates with malicious activity

2. Monitoring for any changes in DNS resolution or service exposure

3. Subnet-level analysis of the 142.44.233.0/24 block for broader threat hunting

Confidence Level: Moderate – Individual IP is benign; subnet context elevates risk profile.

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*Intelligence produced by IPDebrief Threat Intelligence Platform*

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