142.44.233.52📋 Copy

# IP Intelligence Briefing: 142.44.233.52/32

Classification: Moderate Risk

Date Generated: 2026-06-20

Analyst: IPDebrief Intelligence Team

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## Executive Summary

IP 142.44.233.52 is a cloud-based infrastructure asset hosted on OVH (ASN 16276) with a moderate risk score of 40. The IP resolves to the ahrefs.net domain (proxy-ca003-san52.ahrefs.net) and operates within an OVH customer block (OVH-CUST-281059682). Current observation shows the IP is firewalled with no open services detected.

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## Technical Profile

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## Threat Assessment

Active Indicators

• DNSBL Status: Listed on 1 of 8 DNS blacklists
• DNSBL Severity: High
• Operator Score: 0.2174 (Minimal)
• Route Stability: Unstable (route_changes_30d: 0, isRouteStable: false)

Negative Signals

• Geo-validation failure: Claimed location (Canada) inconsistent with RTT measurements indicating Singapore
• No forward DNS resolution confirmation
• No email authentication records (SPF/DMARC)

Positive Signals

• No Tor/VPN/proxy indicators
• No known attacker or spam source flags
• No active threat campaigns correlated
• Domain (ahrefs.net) has valid CAA records

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## Neighborhood Analysis

Subnet: 142.44.233.0/24

Abuse Density: 0.6914 (High Abuse Classification)

The /24 subnet contains 256 sibling addresses with 198 currently active. Threat analysis reveals:

• 177 threat-identified siblings
• 96 medium-risk neighbors
• 4 low-risk neighbors
• 0 high-risk neighbors

This indicates the subnet is heavily utilized, with approximately 70% of active IPs flagged as threats. Context suggests this is a shared hosting environment.

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## Historical Context

18 total observations recorded. Recent activity shows:

• Persistent cloud/hosting classification
• DNS blacklist activity detected
• Geolocation inconsistencies consistent across probes

No persistent malicious behavior patterns identified (threatPersistenceDays: 0).

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## Related Entities

41 relationship records identified, primarily Same Network associations with OVH-CUST-281059682. No certificate-based or hostname-based relationships beyond the ahrefs.net domain.

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## Recommended Actions

Priority: Monitor/Block

```bash

# iptables

iptables -A INPUT -s 142.44.233.52 -j DROP

# nftables

nft add rule inet filter input ip saddr 142.44.233.52 drop

# pfSense

142.44.233.52/32

# Cloudflare WAF

{"description":"Block 142.44.233.52 — IPDebrief risk score 40","action":"block","filter":{"expression":"ip.src eq 142.44.233.52"}}

# AWS WAF

{"Addresses":["142.44.233.52/32"],"Description":"IPDebrief risk 40"}

```

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## Intelligence Conclusion

The IP represents a legitimate cloud infrastructure asset (ahrefs.net proxy endpoint) operating in a high-abuse-density subnet. While the IP itself shows moderate risk and no active threat indicators, the subnet environment warrants defensive attention. The geo-location discrepancy and DNSBL listing suggest potential misconfiguration or shared IP abuse.

Recommended: Implement blocking rules with awareness that this may impact legitimate ahrefs.net service. Monitor for service disruption and consider whitelist evaluation if business operations require ahrefs.net connectivity.

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