54.39.89.150
IP Intelligence Briefing: 54.39.89.150
*Generated via IPDebrief Analysis*
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**Key Risk Profile**
- Risk Score: 45 (Moderate Risk)
- Provider: OVH (AS16276)
- Organization: Ahrefs Pte Ltd
- Geolocation: Canada (QC, Beauharnois)
- Network Role: Cloud Compute (OVH-hosted)
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**Threat Indicators**
- Malicious Activity: No detected indicators (no malware, phishing, or C2 signatures).
- Subnet Abuse Density: 41.98% (mixed risk in 54.39.89.0/24 subnet).
- Neighbors: 100 IPs in subnet (56 medium-risk, 44 low-risk).
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**Network & Ownership**
- CIDR: 54.39.89.0/24 (OVH-CUST-281059691)
- ASN: AS16276 (OVH)
- Hosting: Cloud infrastructure (OVH)
- DNS: Resolves to `proxy-ca012-san150.ahrefs.net` (Ahrefs subdomain).
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**Behavioral Observations**
- Historical Trends:
- Moderate risk signals observed (June 2026).
- Stable BGP routing (no route changes in 30 days).
- DNSSEC valid, CAA records present.
- Subnet Activity:
- 54 IPs active in subnet (102 flagged as high-risk).
- 41.98% abuse density suggests potential for lateral movement or compromised hosts.
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**Relationships & Context**
- Linked Entities:
- Same network (OVH-CUST-281059691).
- Ahrefs Pte Ltd (parent organization).
- Control Plane:
- BGP AS_PATH: `34549 16276` (OVH).
- No blackhole or route hijack detected.
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**Actionable Insights**
1. Monitor Subnet: The 54.39.89.0/24 subnet has a high abuse density. Investigate potential lateral movement or compromised hosts.
2. Verify DNS: Confirm legitimacy of `proxy-ca012-san150.ahrefs.net` (Ahrefs is a legitimate company, but verify DNS configurations).
3. Check for Anomalies: Despite no direct threats, the subnet’s mixed risk profile warrants closer scrutiny for unusual traffic patterns.
SOC Recommendation: No immediate blocking required, but continuous monitoring of the subnet and associated hosts is advised.
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*End of Briefing*
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-281059691 |
| CIDR Block | 54.39.89.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca012-san150.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san150.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 | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 33% | 2 | 4 |
| routing | 24% | 3 | 4 |
| services | 24% | 2 | 3 |
| ownership | 26% | 3 | 3 |
| reputation | 28% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 28% | 13 | 20 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-17 03:09:21 UTC |
| Last Seen | 2026-06-28 04:41:52 UTC |
| Profile Built | 2026-06-28 22:47:04 UTC |
| Data Freshness | Live |
| Signal Types | 28 |
| Total Observations | 33 |
Full dossier details are available via our API.