IP Intelligence Briefing: 54.39.210.11/32
*Generated from IPDebrief data*
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**1. Core Profile**
- Risk Score: 50 (Moderate Risk)
- Ownership:
- ASN: 16276 (OVH)
- Organization: "Dmytro, Ahrefs Pte Ltd"
- Subnet: 54.39.210.0/24
- Geolocation:
- Country: Canada (QC, Beauharnois)
- Latitude/Longitude: Unavailable
- Accuracy Radius: 3,000 km
- Network Role:
- Cloud Compute (OVH-hosted)
- No open ports/services detected
- DNS: PTR hostname `proxy-ca007-san11.ahrefs.net`
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**2. Threat & Behavior**
- Threat Indicators:
- No malware, phishing, or spam associations
- No Tor exit node or known attacker flags
- Historical Observations (Last 15 Days):
- Moderate risk stability (avg. score: 45)
- No persistent malicious activity
- DNSSEC and CAA records validated
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**3. Network Relationships**
- Linked Entities:
- DNS: `proxy-ca007-san11.ahrefs.net` (Ahrefs subdomain)
- Subnet: 54.39.210.0/24 (OVH network)
- Neighbor Analysis:
- Subnet abuse density: 64% (high risk)
- 164/256 IPs in subnet flagged as risky
- Neighboring IPs show moderate risk (40โ50 score)
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**4. Actionable Insights**
- SOC Recommendations:
- Monitor subnet (54.39.210.0/24) for lateral movement or anomalous traffic.
- Verify DNS configurations for `proxy-ca007-san11.ahrefs.net` to ensure no spoofing.
- Consider blocking high-risk neighbors (e.g., IPs with >50 risk score) to mitigate exposure.
- Firewall Rules:
- Block IPs in 54.39.210.0/24 with risk scores >50 (via iptables/nftables).
- Apply AWS WAF rules to restrict access to subdomains linked to this IP.
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**5. Summary**
The IP 54.39.210.11 is a cloud-hosted instance associated with Ahrefs, part of a subnet with high abuse density. While the IP itself shows no direct malicious activity, its network environment warrants closer scrutiny. SOC teams should prioritize isolating high-risk neighbors and validating DNS integrity to prevent potential compromises.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca007-san11.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san11.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 | 34% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 20% | 10 | 12 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-25 06:42:30 UTC |
| Last Seen | 2026-06-29 01:24:37 UTC |
| Profile Built | 2026-06-29 07:26:26 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
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