IP Intelligence Briefing: 54.39.136.210
Date: 2026-06-15
**1. Risk Profile**
- Overall Risk: Low (Risk Score: 25 / 100)
- Provider Score: 0 (OVH, CloudCompute)
- Authority Score: 0
- Stability: Unstable (route changes detected in 30 days)
- Threat Indicators: None detected (no malware, phishing, or spam associations).
**2. Ownership & Geolocation**
- Registrar: OVH (ASN 16276, Ahrefs Pte Ltd)
- Location: Canada (QC, Beauharnois) | Coordinates: Unavailable
- Geolocation Validity: Invalid β RTT (26ms) inconsistent with 5,629km distance, suggesting spoofing or CDN routing.
**3. Network Behavior**
- Cloud Hosting: Yes (OVH CloudCompute, no CDN/VPN/Tor detected).
- Services: No open ports or TLS certificates observed.
- DNS: Resolves to `proxy-ca002-san210.ahrefs.net` (Ahrefs infrastructure).
**4. Historical Observations**
- Last 30 Days:
- Stable ownership (OVH) with no ownership changes.
- No threat persistence or malicious activity.
- Geolocation signal flagged as invalid (RTT anomaly).
**5. Network Relationships**
- Subnet: 54.39.136.0/24 (OVH network)
- Neighbors:
- 100 IPs in subnet (98 low-risk, 2 medium-risk).
- Abuse Density: 0% (no malicious activity in subnet).
- Associations:
- Linked to Ahrefsβ DNS infrastructure (`proxy-ca002-san210.ahrefs.net`).
**6. Threat Context**
- No Blacklists: Not listed in DNSBLs (1/8 lists).
- No Campaigns: No known malicious campaigns or malware families.
**7. Recommendations**
- Monitor Geolocation: Investigate RTT anomaly to confirm spoofing or CDN routing.
- Subnet Monitoring: Track neighbors for emerging threats (2 medium-risk IPs).
- Verify DNS: Confirm Ahrefsβ infrastructure legitimacy for DNS associations.
- No Blocking Required: Low-risk, no immediate mitigation needed.
Conclusion: 54.39.136.210 is a legitimate OVH-hosted IP associated with Ahrefsβ infrastructure. While geolocation data is unreliable, no malicious activity or threats are detected. Continue monitoring for anomalies.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 | β |
π DNS Intelligence
| PTR | proxy-ca002-san210.ahrefs.net |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca002-san210.ahrefs.net |
π DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting β Infrastructure provider without advanced routing |
π Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 32% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 23% | 1 | 2 |
| geolocation | 27% | 2 | 3 |
| Overall | 19% | 9 | 11 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-25 00:41:41 UTC |
| Last Seen | 2026-06-29 01:04:59 UTC |
| Profile Built | 2026-06-29 07:08:57 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 19 |
Full dossier details are available via our API.