198.244.168.159📋 Copy

# IP INTELLIGENCE BRIEFING

Target: 198.244.168.159/32

Date: Analysis conducted 2026-06-26

Classification: MODERATE RISK — Defensive Monitoring Required

## EXECUTIVE SUMMARY

IP 198.244.168.159 is a hosting infrastructure endpoint associated with Ahrefs Pte Ltd, operated through OVH CloudCompute in London, United Kingdom. The IP exhibits a moderate risk score of 40 with no active threat indicators. While the parent subnet (198.244.168.0/24) demonstrates high abuse density (0.8008), this specific address shows persistent legitimate DNS resolution patterns to ahrefs.net infrastructure.

## OWNERSHIP & INFRASTRUCTURE

• ASN: 16276 (OVH)
• Organization: Ahrefs Pte Ltd Dmytro
• Geolocation: London, England, GB
• Infrastructure Type: CloudCompute/Hosting
• DNS Resolution: proxy-uk001-san159.ahrefs.net (ahrefs.net)
• Connection Status: Firewalled/No Services (no open ports detected)

## THREAT ASSESSMENT

Risk Score: 40/100 (Moderate)

Threat Indicators: None detected

• Blacklist Count: 0
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Known Campaigns: None

Control Plane:

• Route Stability: Unstable
• DNSSEC: Valid
• DNSBL Listed: 1 of 8 total lists
• Operator Score: 0.2174 (Minimal)

## SUBNET ANALYSIS (198.244.168.0/24)

• Abuse Density: 0.8008 (High)
• Classification: high_abuse
• Total Siblings: 256
• Active Siblings: 199
• Threat Siblings: 205
• Inherited Risk Score: 32

Neighborhood Risk Distribution:

• High Risk: 0 IPs
• Medium Risk: 89 IPs
• Low Risk: 11 IPs

## OBSERVATION HISTORY

Total observations: 27 signals recorded.

Recent Activity (2026-06-26):

• DNS consistently resolved to ahrefs.net domain
• Subnet classification fluctuated between "mixed" and "high_abuse"
• Abuse density ranged from 0.47 to 0.80
• Ownership and geolocation signals stable
• Infrastructure identified as CloudCompute (OVH)

Temporal Patterns:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Is Persistently Malicious: False

## NETWORK RELATIONSHIPS

58 relationships identified, primarily same-network associations to OVH_282347337 subnet. No cross-organization or certificate-based relationships detected.

## RECOMMENDED ACTIONS

Firewall Rules (Implement with caution):

```bash

# iptables

iptables -A INPUT -s 198.244.168.159 -j DROP

# nftables

nft add rule inet filter input ip saddr 198.244.168.159 drop

# pfSense

198.244.168.159/32

# Cloudflare WAF

{"description":"Block 198.244.168.159 — IPDebrief risk score 40","action":"block"}

# AWS WAF

{"Addresses":["198.244.168.159/32"],"Description":"IPDebrief risk 40"}

```

Security Recommendations:

1. Monitor outbound connections to this IP for data exfiltration patterns

2. Implement rate limiting for traffic to/from this subnet

3. Correlate with known Ahrefs service signatures to differentiate legitimate vs. malicious use

4. Review subnet-level abuse trends for potential coordinated activity

5. Consider geo-blocking if business policy restricts London-based traffic

## CONCLUSION

This IP represents legitimate hosting infrastructure for Ahrefs (SEO analytics platform) with moderate risk characteristics primarily driven by subnet-level abuse activity. No direct threat indicators are present. Monitor for behavioral anomalies rather than implementing immediate blocking without additional context.

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*Report generated by IPDebrief Intelligence Platform*

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