54.39.89.107
IP Intelligence Briefing: 54.39.89.107
*Generated via IPDebrief tools: profile, history, relationships, and neighborhood analysis*
---
**1. Core Profile**
- Risk Score: 40 (Moderate Risk)
- Ownership: Registered to Ahrefs Pte Ltd (OVH ASN 16276).
- Geolocation:
- Country: Canada (QC - Quebec)
- Plausibility: Flagged as geoPlausible: false due to RTT mismatch (observed 28ms vs. expected 112.6ms for 5629km).
- Network Role:
- Hosting: CloudCompute infrastructure (OVH).
- Services: No open ports or TLS/HTTP services detected.
---
**2. Threat & Behavior**
- Threat Indicators: No malicious indicators (no abuse confidence scores, blacklists, or campaigns).
- Network Abuse:
- Subnet 54.39.89.0/24 has high abuse density (0.56), with 143/255 IPs classified as threats.
- IP’s inherited risk: 22/100 (moderate).
- DNS:
- Linked to proxy-ca012-san107.ahrefs.net (likely a proxy hostname).
- No email authentication (SPF/DKIM) detected.
---
**3. Observation History**
- Recent Activity:
- June 15, 2026: Minimal risk score (0.2174) with 3/8 signals.
- June 10, 2026: Subnet abuse density flagged as "high_abuse" (0.56).
- Geolocation Anomalies:
- RTT discrepancy suggests potential spoofing or misconfigured routing.
---
**4. Relationships**
- Network:
- Same subnet (OVH-CUST-281059691).
- 101 active siblings in the /24 subnet.
- DNS:
- Associated with proxy-ca012-san107.ahrefs.net (no further domain resolution).
---
**5. Neighborhood Analysis**
- Subnet: 54.39.89.0/24
- Risk Distribution:
- 99 IPs labeled medium risk (40–60 score), 1 high risk (60+).
- 100 neighbors analyzed (101 active).
- Abuse Density: 0.56 (high), indicating potential for malicious activity within the subnet.
---
**6. Recommendations**
- Monitor Traffic: Track unusual outbound connections or DNS queries to/from the subnet.
- Verify Geolocation: Investigate the RTT anomaly to rule out spoofing or misconfigured routing.
- Subnet-Level Mitigation: Consider blocking the entire 54.39.89.0/24 subnet if suspicious behavior is observed, given the high abuse density.
- DNS Inspection: Validate the proxy-ca012-san107.ahrefs.net hostname for malicious activity.
---
*End of briefing. Use IPDebrief actions tool for firewall rules or threat indicators.*
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-san107.ahrefs.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca012-san107.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
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 2 |
| routing | 13% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 15% | 2 | 2 |
| reputation | 22% | 1 | 2 |
| geolocation | 33% | 2 | 3 |
| Overall | 20% | 9 | 11 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:24:29 UTC |
| Last Seen | 2026-06-28 22:05:28 UTC |
| Profile Built | 2026-06-29 10:09:30 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.