54.39.136.141
IP Intelligence Dossier
Your IP: 216.73.216.123
🤖 Witness AIThis summary was generated by AI and may contain inaccuracies. Verify critical details independently.
IP Intelligence Briefing: 54.39.136.141
*Generated via IPDebrief Threat Intelligence Platform*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Geolocation: Canada (QC, Beauharnois), inferred via ARIN records
- Network Role: CloudCompute infrastructure (OVH-hosted)
- Threat Indicators: No malicious activity detected (no blacklists, spam, or campaigns)
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**2. Observation History (30-Day Window)**
- Consistent classification as cloud-hosted infrastructure (OVH).
- DNS resolution linked to proxy-ca002-san141.ahrefs.net (Ahrefs domain).
- No spikes in threat signals or anomalous behavior.
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**3. Relationships & Context**
- Network Affiliation: Part of OVH subnet 54.39.0.0/16, shared with 240 sibling IPs.
- DNS Associations: Resolves to proxy-ca002-san141.ahrefs.net (Ahrefs Pte Ltd).
- Subnet Abuse Density: 32% (moderate risk; 77/240 siblings flagged).
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**4. Neighborhood Analysis**
- Subnet: 54.39.136.0/24
- Risk Distribution:
- 46 IPs with low risk (score ≤ 40)
- 54 IPs with medium risk (score 41–70)
- 0 IPs with high risk (score > 70)
- Notable Neighbors:
- 54.39.136.1 (score 40), 54.39.136.2 (score 50), 54.39.136.3 (score 50)
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**5. Recommendations**
- Monitor Subnet: The 54.39.136.0/24 subnet has a 32% abuse density. Investigate medium-risk neighbors for potential lateral movement or compromised hosts.
- Verify DNS: Confirm proxy-ca002-san141.ahrefs.net is legitimate and not spoofed.
- Baseline Behavior: Since the IP is low-risk and part of a cloud provider, no immediate mitigation is required. However, maintain logging for unusual traffic patterns.
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Conclusion: This IP is associated with Ahrefs’ cloud infrastructure and shows no signs of malicious activity. While the subnet has a moderate abuse density, the IP itself is not flagged as a threat. SOC teams should prioritize monitoring the broader subnet for emerging risks.
*Generated by IPDebrief | © 2026 Jason Alberino*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059681 |
| CIDR Block | 54.39.136.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca002-san141.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca002-san141.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
No certificate
Issued by —
N/A
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 3 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 25% | 2 | 2 |
| Overall | 21% | 10 | 12 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-10 22:17:54 UTC |
| Last Seen | 2026-06-27 18:39:07 UTC |
| Profile Built | 2026-06-28 12:44:59 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 25 |
🔍 19 signal types · 25 observations collected
This report is generated from 19+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
Full dossier details are available via our API.
ℹ️ About This Report
All data shown is publicly available network metadata — IP addresses do not reliably identify individuals.
Assessments are probabilistic and should not be used as sole basis for access control decisions.
To report an issue or request data review, contact admin@ipdebrief.com.