54.39.136.151
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: 54.39.136.151
Date: 2026-06-11
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**1. Risk Profile**
- Risk Score: 40 (Moderate Risk)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (OVH-CUST-281059681)
- Geolocation: Canada (QC, Beauharnois), inferred with 3000km accuracy radius.
- Network Role: Cloud compute instance (OVH infrastructure), no public services detected.
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**2. Threat Indicators**
- No direct malicious indicators (no malware, spam, or attack signatures).
- Subnet Risk: 54.39.136.0/24 classified as high_abuse (abuse density: 0.5451).
- Neighbors: 100 IPs in subnet, 98 medium-risk, 2 low-risk.
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**3. Relationships & Context**
- DNS Associations: Linked to `proxy-ca002-san151.ahrefs.net` (ahrefs.net domain).
- Network Affiliation: Same subnet as 141 active IPs, 139 flagged as threats.
- Provider Context: OVH infrastructure, no Tor, CDN, or residential indicators.
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**4. Observational Trends**
- Recent Activity: No persistent threats or campaign correlations.
- Subnet Stability: High abuse density suggests potential for lateral movement or compromised hosts.
- Historical Data: No significant changes in risk signals over 30 days.
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**5. Recommendations**
- Monitor Subnet: Track neighbor activity due to high abuse density.
- Restrict Access: Apply firewall rules to block non-cloud traffic to this subnet.
- Verify DNS: Confirm `ahrefs.net` DNS records for potential spoofing risks.
- Enable Logging: Monitor for unexpected outbound traffic from this IP.
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Source: IPDebrief Threat Intelligence Platform.
Note: This IP is part of a high-risk subnet; further investigation into neighboring IPs is advised.
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-san151.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca002-san151.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 | |||
| 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 | 27% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 22% | 1 | 3 |
| geolocation | 33% | 2 | 4 |
| Overall | 19% | 9 | 14 |
Coverage: 6/6 dimensions · Data sufficiency: sufficient
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ Claimed geolocation contradicts RTT physics measurement
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-26 00:51:01 UTC |
| Last Seen | 2026-06-29 02:34:40 UTC |
| Profile Built | 2026-06-29 02:41:59 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 23 |
🔍 22 signal types · 23 observations collected
This report is generated from 22+ 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.