54.39.0.142
IP Intelligence Briefing: 54.39.0.142
Date: 2026-06-07
**Overview**
- Risk Profile: Low Risk (Risk Score: 25)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276)
- Geolocation: Canada (QC, Beauharnois)
- Network Role: Cloud compute infrastructure (OVH-hosted)
- Threat Indicators: No malicious activity detected
**Key Findings**
1. Ownership & Provider:
- Owned by Ahrefs Pte Ltd, a legitimate SEO tool provider.
- Assigned to OVH, a major cloud infrastructure provider.
- No abuse reports or blacklisted entries.
2. Geolocation & Subnet:
- Located in Quebec, Canada, but lacks precise coordinates/timezone.
- Subnet 54.39.0.0/24 shows mixed risk (abuse density: 47.18%).
- 69% of neighbors have medium risk, 31% low risk.
3. Network Behavior:
- No open ports or services detected.
- DNS association with proxy-ca004-san142.ahrefs.net (likely a legitimate CDN/Proxy).
- BGP routing stable, no route changes in 30 days.
4. Threat Observations:
- No indicators of spam, attacks, or malicious campaigns.
- Subnet shows 117 threat siblings, but the IP itself is clean.
5. Historical Trends:
- Minimal changes in risk scores over time.
- No persistent malicious activity or honeypot hits.
**Recommended Actions**
- Allow Traffic: No blocking required for this IP.
- Monitor Subnet: Track the 54.39.0.0/24 subnet for anomalies due to mixed risk.
- Verify DNS: Confirm the legitimacy of the DNS hostname proxy-ca004-san142.ahrefs.net.
Conclusion: This IP is a legitimate cloud instance used by Ahrefs. While the subnet contains some risky neighbors, the IP itself poses no immediate threat. Continue monitoring for unusual behavior.
Source: IPDebrief Threat Intelligence Platform.
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-281059683 |
| CIDR Block | 54.39.0.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | proxy-ca004-san142.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca004-san142.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 | 29% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 39% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-15 14:46:36 UTC |
| Last Seen | 2026-06-28 02:36:25 UTC |
| Profile Built | 2026-06-28 20:41:15 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 27 |
Full dossier details are available via our API.