# INTELLIGENCE BRIEFING: 15.235.96.187/32
## EXECUTIVE SUMMARY
IP address 15.235.96.187 is a moderate-risk (score: 40) cloud infrastructure endpoint associated with OVH hosting provider under the organization Dmytro, Ahrefs Pte Ltd. The IP is hosted within the 15.235.96.0/24 subnet, which exhibits high abuse density (64%), with 164 of 256 sibling IPs flagged as threat-related. The endpoint is firewalled with no open services detected, and geolocation data indicates Singapore placement with RTT validation anomalies.
## INFRASTRUCTURE PROFILE
- Provider: OVH (ASN: 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Network Block: 15.235.96.0/24
- Infrastructure Type: CloudCompute / Hosting
- Connection Type: Firewalled / No Services
- PTR Hostname: proxy-ca015-san187.ahrefs.net
- Forward Resolution: proxy-ca015-san187.ahrefs.net (1 hostname)
- DNS Classification: Cloud provider with Ahrefs.net domain association
## RISK ASSESSMENT
- Overall Risk Score: 40 (Moderate)
- Abuse Confidence Score: Not applicable (no active abuse indicators)
- Blacklist Status: Listed on 1 of 8 DNSBL lists
- Threat Indicators: None identified
- Campaign Associations: No known campaign matches
- Known Attacker Status: False
- Tor Exit Node: False
- Spam Source: False
## GEOLOCATION INTELLIGENCE
- Reported Location: Singapore, Singapore (CA)
- Geolocation Confidence: Low (geoPlausible: false)
- Accuracy Radius: 3000 km
- RTT Analysis: Anomaly detected โ measured 28ms against 121.6ms minimum possible for 6082km distance, indicating potential geolocation spoofing or routing manipulation
- Probe Count: 5 successful probes
## NETWORK NEIGHBORHOOD ANALYSIS
The 15.235.96.0/24 subnet presents elevated risk characteristics:
- Abuse Density: 0.6406 (64% of IPs flagged as threats)
- Active Siblings: 205 out of 256 total
- Threat Siblings: 164 IPs classified as threats
- Inherited Risk Score: 25
- Risk Distribution in Subnet: High: 0, Medium: 99, Low: 1
This indicates the subnet is heavily utilized for potentially suspicious activity, requiring defensive posture awareness.
## OBSERVATION HISTORY
Analysis of 25 historical observations reveals:
- Latest Observation: 2026-06-20T15:00:23Z
- Signal Types Observed: Geolocation (country: CA), Operator score (Minimal), Network classification (Cloud/Hosting), Port scan (no open ports)
- Threat Persistence: 0 days (not persistently malicious)
- Ownership Changes: 0 (stable ownership)
Recent scans confirm the endpoint remains firewalled with no accessible services.
## RELATIONSHIP MAPPING
The IP maintains 36 relationships, predominantly network-level associations pointing to OVH-CUST-281059694. No external organization, certificate, or hostname relationships detected beyond the OVH provider network.
## THREAT INTELLIGENCE NARRATIVE
IP 15.235.96.187 represents a moderate-risk cloud infrastructure asset within an OVH-managed subnet exhibiting high abuse density. While no active threat indicators are present against this specific address, the surrounding 15.235.96.0/24 subnet demonstrates concerning abuse patterns with 64% of sibling IPs flagged as threats. The endpoint's association with ahrefs.net (a known SEO/marketing analytics platform) suggests legitimate use, yet the DNSBL listing and subnet-level abuse density warrant monitoring.
## RECOMMENDED ACTIONS
1. Monitoring: Add to watchlist due to subnet abuse density
2. Firewall Rules: Apply block rules for any malicious activity originating from this subnet
3. DNSBL Verification: Investigate the single DNSBL listing for context
4. Traffic Analysis: Monitor for anomalous traffic patterns from this IP
5. Subnet Context: Consider broader policy decisions for the 15.235.96.0/24 block given the 164 threat siblings
## CLASSIFICATION
- Risk Level: Moderate
- Action Priority: Monitor
- Threat Type: Infrastructure hosting / CloudCompute
- Attribution: Dmytro, Ahrefs Pte Ltd (OVH)
---
*Intelligence generated by IPDebrief Threat 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-san187.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca015-san187.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 | 15% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 39% | 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 | 2026-05-22 03:08:34 UTC |
| Last Seen | 2026-06-28 17:08:47 UTC |
| Profile Built | 2026-06-29 05:13:13 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 26 |
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