# INTELLIGENCE BRIEFING: 15.235.96.154
## EXECUTIVE SUMMARY
IP address 15.235.96.154 presents a moderate risk profile (Risk Score: 50) with no active threat indicators. The IP is associated with OVH hosting infrastructure and resolves to ahrefs.net. The subnet exhibits elevated abuse density, warranting monitoring and consideration for blocking rules.
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## OWNERSHIP & INFRASTRUCTURE
| Field | Value |
|---|---|
| **ASN** | 16276 |
| **Organization** | Dmytro, Ahrefs Pte Ltd |
| **Network** | OVH-CUST-281059694 |
| **Provider** | OVH |
| **Infrastructure Type** | CloudCompute (Hosting) |
| **CIDR Block** | 15.235.96.0/24 |
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## GEOLOCATION & VALIDATION
| Field | Value |
|---|---|
| **Country** | CA (Canada) |
| **Region** | QC (Quebec) |
| **City** | Beauharnois |
| **DNS Resolution** | proxy-ca015-san154.ahrefs.net |
| **Geo Validation Status** | โ ๏ธ **FLAGGED** |
Geo Validation Note: Geolocation reports appear inconsistent with network measurements. RTT violation detected (22.0ms observed vs 121.6ms minimum possible for reported distance). Geolocation confidence is low.
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## THREAT ASSESSMENT
| Indicator | Status |
|---|---|
| **Risk Score** | 50 (Moderate) |
| **Abuse Confidence** | Not applicable |
| **Known Attacker** | No |
| **Tor Exit Node** | No |
| **Spam Source** | No |
| **Blacklist Count** | 1 of 8 DNSBL lists |
| **Active Threat Indicators** | None |
| **Known Campaigns** | None |
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## NEIGHBORHOOD ANALYSIS
| Metric | Value |
|---|---|
| **Subnet** | 15.235.96.0/24 |
| **Abuse Density** | 0.6289 (High) |
| **Total Siblings** | 256 |
| **Active Siblings** | 213 |
| **Threat Siblings** | 161 |
| **Subnet Risk Classification** | High Abuse |
Neighboring IP Risk Distribution: 100 medium-risk neighbors, 0 high-risk, 0 low-risk.
---
## SERVICES & DNS
| Field | Value |
|---|---|
| **Open Ports** | None detected |
| **DNS Hostname** | proxy-ca015-san154.ahrefs.net |
| **Forward Resolution** | Confirmed (1 hostname) |
| **HTTP Services** | None (Firewalled) |
| **TLS Certificates** | None |
---
## OBSERVATION HISTORY
Recent signal observations (26 total signals):
- Reputation Signals: Active blacklist listings detected (2 of 8 lists, maximum severity: high)
- DNS Signals: Resolved to ahrefs.net with CAA records present
- Operator Score: 0.1 (Minimal)
- Geolocation: Canada (low confidence)
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## RECOMMENDED ACTIONS
Firewall Rules (Automated):
| Platform | Rule |
|---|---|
| **iptables** | `iptables -A INPUT -s 15.235.96.154 -j DROP` |
| **nftables** | `nft add rule inet filter input ip saddr 15.235.96.154 drop` |
| **nginx** | `deny 15.235.96.154;` |
| **pfSense** | `15.235.96.154/32` |
| **Cloudflare WAF** | Block IP (Risk Score: 50) |
| **AWS WAF** | `Addresses: ["15.235.96.154/32"]` |
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## ANALYST NOTES
1. No Active Threats: Despite moderate risk score, no active threat indicators detected.
2. Hosting Context: IP appears to be a hosting infrastructure endpoint with no open services.
3. Neighborhood Risk: Subnet shows elevated abuse density (62.9%). Consider broader subnet-level policies.
4. DNSBL Presence: Single blacklist listing detected; verify legitimacy against threat feeds.
5. Recommendation: Block at firewall level pending correlation with other threat signals. Monitor for escalation.
---
*Report generated: 2026-06-22*
*Data Source: IPDebrief Intelligence Platform*
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-281059694 |
| CIDR Block | 15.235.96.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca015-san154.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca015-san154.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 | 15% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 31% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 24% | 10 | 15 |
| Data Coherence | Mostly Consistent (80%) โ 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-07 23:03:46 UTC |
| Last Seen | 2026-06-27 00:09:50 UTC |
| Profile Built | 2026-06-27 14:23:36 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 28 |
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