54.39.89.99
IP Intelligence Briefing: 54.39.89.99
Date: 2026-06-08
1. Risk Profile
- Overall Risk Score: Low (25/100)
- Threat Indicators: No malicious activity detected (no malware, C2, or phishing indicators).
- Network Classification: Cloud compute infrastructure (OVH-hosted).
- Geolocation: Canada (QC, Beauharnois), ARIN-regulated.
2. Ownership & Provider
- ISP: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (registered to "Dmytro")
- Subnet: 54.39.89.0/24 (OVH-CUST-281059691)
- Hosting Type: Cloud-based (no residential/mobile traffic).
3. Network & DNS
- DNS Associations: Linked to `proxy-ca012-san99.ahrefs.net` (Ahrefs domain).
- Subnet Neighbors:
- 100 total IPs in 54.39.89.0/24.
- Abuse density: 0% (low risk).
- 58 IPs flagged as medium risk, 42 as low risk.
4. Threat Observations
- Historical Signals:
- 22 observations (last 30 days) with no persistent malicious patterns.
- DNSSEC and CAA records validated; no DNSBL listings.
- Services: No open ports, TLS certs, or HTTP services detected.
5. Relationships
- Network Links:
- Same ASN (OVH), same subnet, and DNS hostname relationships.
- No ties to Tor, CDN, or proxy networks.
6. Recommendations
- Monitor: Track DNS hostnames (`proxy-ca012-san99.ahrefs.net`) for unexpected changes.
- Firewall: Allow traffic to this IP as it is a legitimate cloud server.
- Subnet: No immediate action needed for neighbors due to low abuse density.
Conclusion:
This IP is associated with Ahrefs' OVH cloud infrastructure. No threat indicators detected. Low-risk network with no malicious activity observed.
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-san99.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san99.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 | 15% | 2 | 2 |
| ownership | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 21% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-18 15:27:14 UTC |
| Last Seen | 2026-06-28 07:42:37 UTC |
| Profile Built | 2026-06-29 01:48:21 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 24 |
Full dossier details are available via our API.