## IP INTELLIGENCE BRIEFING: 54.39.210.61/32
Classification: MODERATE RISK
Assessment Date: Current observation cycle
Provider: OVH (ASN 16276)
Ownership & Infrastructure
The IP address 54.39.210.61 is registered to OVH-CUST-281059686, an OVH cloud infrastructure customer block. The network is classified as a cloud compute environment with hosting services enabled. The subnet (54.39.210.0/24) contains 256 total addresses with 201 actively assigned and 205 identified as threat siblings.
Geolocation & Network Position
- Country: Canada (CA)
- Region: Quebec
- City: Beauharnois
- Origin ASN: 16276
- BGP Prefix: 54.39.0.0/16
- Routing Status: Unstable (isRouteStable: false)
DNS & Service Analysis
- PTR Hostname: proxy-ca007-san61.ahrefs.net
- Forward Resolved Domain: ahrefs.net
- Forward Confirmation: False
- Service Status: Firewalled / No Services detected
- Certificate Authority Records: Present (hasCaa: true)
Threat Indicators
- Risk Score: 40
- Abuse Confidence Score: Not quantified
- Blacklist Status: Listed on 8 total DNSBL entries, with 1 high-severity listing
- Known Campaigns: None identified
- Tor Exit Node: False
- Known Attacker: False
- Spam Source: False
- Honeypot Hits: 0
Neighborhood Analysis
The /24 subnet exhibits elevated abuse density (0.8008) with a high_abuse classification. Of 100 sampled neighboring IPs:
- High Risk: 0
- Medium Risk: 100
- Low Risk: 0
- Inherited Risk Score: 32
All sampled neighbors share consistent risk scoring (40) with authority scores of 50, indicating systemic infrastructure-level classification rather than isolated incidents.
Temporal Analysis
- Ownership Changes: 0 (stable ownership)
- Threat Persistence Days: 0
- Threat Observation Count: 1
- Persistently Malicious: False
- Campaign Likelihood: None
Historical Signals (Last 20 Observations)
Recent observations (2026-06-20) confirm:
- Provider classification: OVH cloud/hosting
- Abuse density classification: high_abuse (0.8008)
- DNSBL listings: 8 total, 1 high-severity
- Geolocation: Canada (CA) via Cymru-country method
- Domain association: ahrefs.net
Relationship Graph
39 relationships identified, primarily "Same Network" relationships pointing to OVH-CUST-281059686. No cross-network or cross-organization relationships detected.
---
ANALYST RECOMMENDATIONS
Risk Level: MODERATE
This IP addresses an OVH cloud hosting environment with ahrefs.net domain association. The moderate risk score (40) reflects the high-abuse density of the parent /24 subnet rather than direct malicious activity from this specific IP. The IP is firewalled with no open services, reducing immediate exploitation risk.
Recommended Actions:
- Monitor for DNSBL listing updates (currently 1 high-severity)
- Review ahrefs.net domain reputation context (legitimate SEO tool provider)
- Consider subnet-level monitoring (54.39.210.0/24) due to 80%+ abuse density
- No immediate blocking recommended; maintain traffic logging
IOC Status: Not an active IOC; classify as monitored infrastructure IP.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Dmytro, Ahrefs Pte Ltd |
| ASN | AS16276 |
| Network Name | OVH-CUST-281059686 |
| CIDR Block | 54.39.210.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca007-san61.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca007-san61.ahrefs.net |
๐ DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting โ Infrastructure provider without advanced routing |
๐ 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 | โ |
| HTTP Title | โ |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 25% | 2 | 2 |
| Overall | 22% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-23 12:24:28 UTC |
| Last Seen | 2026-06-28 22:01:08 UTC |
| Profile Built | 2026-06-29 10:04:54 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 23 |
Full dossier details are available via our API.