## IPDEBRIEF INTELLIGENCE BRIEFING
Target IP: 142.44.228.189/32
Classification: Moderate Risk / Cloud Hosting Infrastructure
Date Generated: 2026-06-21
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EXECUTIVE SUMMARY
IP 142.44.228.189 is a cloud-hosted infrastructure address associated with OVH hosting provider (ASN 16276) under organization "Dmytro, Ahrefs Pte Ltd." The IP resolves to hostname proxy-ca016-san189.ahrefs.net within the ahrefs.net domain namespace. Current risk assessment is Moderate (score 50/100) with evidence of listing activity on 8 DNSBLs, including 1 high-severity listing as of 2026-06-21.
OWNERSHIP & INFRASTRUCTURE
- Provider: OVH (ASN 16276)
- Organization: Dmytro, Ahrefs Pte Ltd
- Network Block: 142.44.228.0/24
- Infrastructure Type: CloudCompute / Hosting
- Connection Type: Cloud infrastructure with firewalled services (no open ports detected)
GEOLOCATION ANALYSIS
WARNING: Geographic data contains significant inconsistencies requiring validation.
- Claimed Location: QC, Canada
- Reported Coordinates: Singapore
- Distance Discrepancy: 5,597.9 km between claimed and reported coordinates
- RTT Violation: Observed RTT (26ms) is below minimum possible (112ms) for the claimed distance
- Plausibility: geoPlausible flag set to false across multiple observations
THREAT INDICATORS
- Risk Score: 50/100 (Moderate Risk)
- DNSBL Listings: 2 out of 8 total DNSBL lists
- Abuse Density: 0.6719 (high_abuse classification)
- Known Threats: No active threat indicators, known campaigns, or blacklist matches for direct malicious activity
- Infrastructure Role: Cloud hosting environment with no open services detected
NEIGHBORHOOD CONTEXT
The /24 subnet (142.44.228.0/24) exhibits elevated abuse characteristics:
- Total Siblings: 256 IPs
- Active Siblings: 206
- Threat Siblings: 172 (67% of active IPs)
- Subnet Classification: high_abuse
- Inherited Risk: 26/100
- Sampled Risk Distribution: 79 medium-risk, 21 low-risk, 0 high-risk neighbors
OBSERVATION HISTORY (22 Total Signals)
Recent signals (2026-06-21):
- Multiple DNSBL listing events with high-severity categorizations
- Consistent DNS resolution to ahrefs.net domain infrastructure
- Cloud/hosting infrastructure confirmation (OVH provider)
- Geographic validation failures persisting across observations
- Subnet abuse density consistently reported as high_abuse
NETWORK RELATIONSHIPS
- DNS Associations: proxy-ca016-san189.ahrefs.net (ahrefs.net domain)
- Network Relationships: Multiple connections to OVH-CUST-281059695 network segment
- Total Relationships: 25 documented associations
RECOMMENDED ACTIONS
Based on risk profile and infrastructure classification:
1. Monitor Closely: Track this IP for escalation in threat activity given subnet abuse density
2. Geo-Validation Required: Investigate geographic inconsistencies between claimed location (Canada) and observed network characteristics (Singapore coordinates)
3. DNSBL Monitoring: Monitor for changes in blacklist status, particularly given high-severity listing presence
4. Contextual Analysis: Evaluate whether activity aligns with legitimate ahrefs.net SEO/analysis services or indicates compromised infrastructure
5. Subnet Assessment: Consider broader subnet monitoring given 172 threat-sibling IPs in the /24 block
---
Status: Active Monitoring Recommended
Confidence: High (based on 22 historical observations)
Product: 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-281059695 |
| CIDR Block | 142.44.228.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca016-san189.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca016-san189.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 | 19% | 2 | 2 |
| ownership | 19% | 2 | 2 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 3 |
| Overall | 23% | 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 | 2026-05-31 17:23:21 UTC |
| Last Seen | 2026-06-29 08:42:30 UTC |
| Profile Built | 2026-06-29 08:47:05 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.