198.244.168.126📋 Copy

# INTELLIGENCE BRIEFING: 198.244.168.126/32

Classification: MODERATE RISK — SUBNET ABUSE EVIDENCE

Date: 2026-06-21

Analyst: IPDebrief Intelligence Team

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## EXECUTIVE SUMMARY

IP 198.244.168.126 operates within OVH cloud infrastructure (ASN 16276) and resolves to Ahrefs proxy hostnames. While the individual IP presents moderate risk (score: 40), the associated /24 subnet demonstrates high abuse density (82.81%), indicating systemic hosting environment compromise or misconfiguration. No direct threat indicators identified on the target IP.

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## OWNERSHIP & GEOLOCATION

• Organization: Ahrefs Pte Ltd Dmytro
• ASN: 16276 (OVH)
• Country: England, GB (London)
• CIDR Block: 198.244.128.0/17
• Infrastructure Type: CloudCompute (OVH hosting)
• Registration: ARIN

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## THREAT INDICATORS

• Risk Score: 40/100 (Moderate)
• Blacklist Count: 0
• DNSBL Listed: 1 of 8 threat feeds
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Campaign Associations: None detected
• Threat Persistence: 0 days (transient activity)
• Open Ports: None (service firewalled)

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## NETWORK ENVIRONMENT ANALYSIS

Subnet Profile: 198.244.168.0/24

• Abuse Density: 0.8281 (82.81% — HIGH)
• Active Siblings: 197 of 256 IPs
• Threat Siblings: 212 IPs flagged
• Risk Distribution: 100% medium risk (score: 40)
• Classification: high_abuse

The target IP shares a subnet with 212 threat-sibling addresses, suggesting systematic infrastructure abuse within the hosting environment.

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## OBSERVATION HISTORY

• Total Signals: 21 observations
• Latest Signal: 2026-06-21 (geolocation inference: GB, confidence 0.28)
• Ownership Changes: 0
• Route Stability: Unstable (route changes detected within 30 days)
• Threat Status: Not persistently malicious

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## RELATIONSHIP GRAPH

• Network Affiliations: 32 relationships identified (OVH_282347337)
• DNS Resolutions: proxy-uk001-san126.ahrefs.net (ahrefs.net)
• Email Authentication: SPF/DMARC not configured

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## RECOMMENDED ACTIONS

SOC Analyst Actions:

1. Allow with Monitoring: No immediate blocking recommended; IP lacks direct threat indicators

2. Subnet Awareness: Monitor 198.244.168.0/24 subnet for lateral movement patterns

3. Email Filtering: Exercise caution with email sources; SPF/DMARC not configured

4. Firewall Rules: No specific iptables/nftables rules required at this time

Recommended Signature Pattern:

```

# Monitor subnet abuse (198.244.168.0/24)

ipset add subnet-ovh-abuse 198.244.168.0/24

```

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## CONCLUSION

IP 198.244.168.126 represents a low-risk endpoint within a high-abuse hosting environment. While the IP itself shows no malicious activity, the subnet context warrants continued monitoring for coordinated abuse campaigns. No immediate defensive action required beyond standard logging and subnet-level awareness.

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