# INTELLIGENCE BRIEFING: 198.244.226.183
Classification: MODERATE RISK
Date Generated: 2026-06-20
Analyst: IPDebrief SOC Intelligence Unit
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## EXECUTIVE SUMMARY
IP address 198.244.226.183 resolved to a moderate-risk cloud infrastructure host associated with Ahrefs Pte Ltd. The IP is hosted on OVH infrastructure in London, England, and operates as a cloud computing resource with hosting services enabled. No open ports or active services were detected during service enumeration. The IP exhibits a risk score of 40/100 with minimal operator reputation.
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## OWNERSHIP & GEOLOCATION
- ASN: 16276 (OVH)
- Organization: Ahrefs Pte Ltd Dmytro
- Country: United Kingdom (GB)
- Region: England
- City: London
- Geolocation Confidence: Low (2 sources, consensus false, plausible false)
- Timezone: Europe/London
The IP address is registered to Ahrefs, a legitimate SEO and web analytics platform. However, geolocation validation failed across multiple probe attempts.
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## NETWORK INFRASTRUCTURE
- Infrastructure Type: Cloud Compute
- Hosting Status: Active
- Network Classification: Not a CDN, proxy, VPN, or Tor exit node
- IP Type: Public, non-bogon
- Subnet: 198.244.226.183/24
- BGP Prefix: 198.244.128.0/17
- Route Stability: Unstable
Service enumeration returned no open ports, indicating the host is either non-interactive or heavily firewalled. The PTR hostname resolves to proxy-uk002-san183.ahrefs.net, consistent with Ahrefs proxy infrastructure.
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## THREAT INDICATORS
- Abuse Confidence Score: Not calculated
- Blacklist Status: Listed on 1 of 8 DNSBLs
- Known Attacker: No
- Known Spam Source: No
- Tor Exit Node: No
- Associated Threat Campaigns: None detected
No active threat indicators were identified. The IP does not appear in major threat feeds or known campaign databases.
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## NEIGHBORHOOD ANALYSIS
The /24 subnet (198.244.226.0/24) exhibits elevated abuse activity:
- Abuse Density: 0.6211 (high_abuse classification)
- Total Subnet Size: 256 addresses
- Active Siblings: 174
- Threat Siblings: 159
- Inherited Risk Score: 24
The subnet contains 100 sampled neighbors with medium-risk classifications (risk scores 40-50). This pattern suggests the subnet is part of a shared hosting environment with multiple active users.
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## OBSERVATION HISTORY
Signal observation history from June 15-20, 2026, indicates:
- Threat Persistence: 0 days (transient)
- Observation Count: 20 signals recorded
- Recent Activity: Multiple scans and geolocation probes
- Operator Score: 0.2174 (minimal)
- Geolocation Validation: Successful London coordinates (51.5081, -0.1278) with 473.7km distance from probe location
- Network Latency: Average 89.6ms RTT, min 85ms, max 95ms
The IP has been observed sporadically with no persistent malicious behavior detected across the observation window.
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## RECOMMENDED ACTIONS
Based on the moderate risk profile and high-abuse neighborhood context:
1. Allow with Monitoring: The IP is associated with a legitimate organization (Ahrefs) with no active threat indicators
2. Rate Limiting: Implement connection rate limits to mitigate potential abuse from the shared hosting environment
3. DNSBL Monitoring: Monitor DNSBL listing status; currently listed on 1 of 8 lists
4. Log Analysis: Correlate traffic with known Ahrefs proxy patterns if this IP appears in threat feeds
5. Subnet Awareness: Be aware of elevated abuse activity in the /24 subnet when evaluating related IP traffic
---
END OF BRIEFING
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | โ |
| CIDR Block | โ |
| RIR | ARIN |
| Country | โ |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | proxy-uk002-san183.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk002-san183.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 36% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 24% | 2 | 3 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 25% | 10 | 16 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-18 03:22:28 UTC |
| Last Seen | 2026-06-28 06:12:57 UTC |
| Profile Built | 2026-06-29 00:18:50 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.