IP Intelligence Briefing: 54.39.136.61
*Generated via IPDebrief Analysis*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Provider: OVH (ASN 16276)
- Organization: Ahrefs Pte Ltd (registered to "Dmytro")
- Geolocation:
- Country: Canada (CA)
- Region: Quebec (QC)
- City: Beauharnois
- Geo Validity: *Plausible? No* (RTT anomalies suggest geographic inconsistency)
- Network Role: Cloud Compute (OVH infrastructure)
- Threat Indicators: None detected (no malicious campaigns, spam, or abuse signals).
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**2. Observation History**
- Latest Signals (June 9, 2026):
- Minimal risk (operator score: 0.2174).
- DNSSEC and CAA records validated.
- No threats or abuse observed in 30-day history.
- Anomaly:
- RTT Discrepancy: 27ms observed vs. expected 112.6ms for 5,629km distance.
- Geo Plausibility: False (IP likely not physically located in Canada).
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**3. Relationships & Dependencies**
- DNS Associations:
- Linked to `proxy-ca002-san61.ahrefs.net` (Ahrefs subdomain).
- Network Context:
- Part of OVH network (`OVH-CUST-281059681`).
- Subnet `54.39.136.0/24` shows mixed risk (65% medium, 35% low).
- No Known Malicious Relationships: No correlated IPs, campaigns, or threat feeds.
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**4. Neighborhood Analysis**
- Subnet: `54.39.136.0/24`
- Abuse Density: 40.82% (moderate risk).
- Neighbor Risks:
- 100 total IPs; 65 medium-risk, 35 low-risk.
- No high-risk siblings.
- Notable Neighbors:
- `54.39.136.0` (riskScore: 25), `54.39.136.1` (riskScore: 40).
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**5. Recommendations**
- Monitoring: Track RTT anomalies and geolocation inconsistencies.
- Network Segmentation: Isolate this subnet if handling sensitive workloads.
- DNS Validation: Confirm Ahrefsβ ownership of `proxy-ca002-san61.ahrefs.net` for legitimacy.
- Threat Intelligence: No immediate action required; re-evaluate if new signals emerge.
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Conclusion:
This IP is associated with Ahrefs, a legitimate cloud service provider, and shows no malicious activity. The low risk score and absence of threats suggest it is benign. However, the geographic inconsistency and subnet abuse density warrant continued monitoring for potential misconfigurations or spoofing.
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-san61.ahrefs.net |
| Forward Confirmed | No β PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca002-san61.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 | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| 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 | 31% | 2 | 4 |
| routing | 13% | 1 | 1 |
| services | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 33% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) β 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-05-21 14:58:05 UTC |
| Last Seen | 2026-06-28 14:39:06 UTC |
| Profile Built | 2026-06-29 08:43:38 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
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