51.195.244.194
IP Intelligence Briefing: 51.195.244.194
*Generated via IPDebrief Threat Intelligence Platform*
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**1. Core Profile**
- Risk Score: Moderate (40/100)
- Ownership: Registered to Ahrefs Pte Ltd (OVH provider, ASN 16276).
- Geolocation: London, England, GB.
- Network Role: Cloud compute instance (OVH infrastructure), hosted by Ahrefs.
- Threat Indicators: No direct malicious activity detected (no malware, phishing, or C2 indicators).
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**2. Observation History**
- Recent Activity:
- DNS records linked to `ahrefs.net` (proxy hostname: `proxy-uk000-san194.ahrefs.net`).
- Network scans detected on June 8, 2026 (ports 80/443).
- Listed in 8 threat feeds (1 high-severity listing).
- Trend: Stable risk profile; no significant changes in observed signals.
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**3. Relationships & Network Context**
- DNS Associations:
- Linked to `ahrefs.net` (no email validation records).
- Network Peers:
- Subnet `51.195.244.194/24` shows high abuse density (0.5257).
- 140 active neighbors, 133 flagged as malicious.
- Provider: OVH (ASN 16276), infrastructure type: "Firewalled / No Services."
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**4. Neighborhood Risk**
- Subnet Analysis:
- Abuse Density: 52.57% (high risk).
- 253 total IPs in subnet; 140 active, 133 with threat indicators.
- Inherited risk score: 21 (moderate).
- Neighbor Risks:
- Most neighbors have similar risk scores (40).
- Suggests potential lateral movement or shared infrastructure risks.
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**5. Actionable Insights**
- SOC Recommendations:
- Monitor subnet `51.195.244.0/24` for suspicious traffic patterns.
- Verify DNS connections to `ahrefs.net` for potential spoofing or misconfiguration.
- Consider isolating this IP if it resides in a high-risk subnet.
- Threat Context:
- No direct attacker indicators, but subnet-wide abuse suggests broader risk.
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End of Briefing
*Generated from IPDebrief v2026.06.15*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Ahrefs Pte Ltd Dmytro |
| ASN | AS16276 |
| Network Name | — |
| CIDR Block | — |
| RIR | ARIN |
| Country | — |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | proxy-uk000-san194.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-uk000-san194.ahrefs.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 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 | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 45% | 2 | 6 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 20% | 2 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 26% | 10 | 18 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-19 21:40:46 UTC |
| Last Seen | 2026-06-28 10:13:32 UTC |
| Profile Built | 2026-06-29 04:18:05 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 28 |
Full dossier details are available via our API.