# IP Intelligence Briefing: 142.44.228.9
## Executive Summary
IP 142.44.228.9 presents a moderate-risk profile (Risk Score: 40/100) associated with OVH cloud infrastructure. The address belongs to the ahrefs.net network and operates as a firewalled cloud compute endpoint. While the IP itself shows no active threat indicators, the /24 subnet demonstrates high-abuse characteristics with 157 threat siblings among 194 active addresses.
## Infrastructure Profile
Ownership & Network: ASN 16276, organization Dmytro Ahrefs Pte Ltd. CIDR block 142.44.228.0/24 registered under OVH-CUST-281059695.
Geolocation: Reports indicate Canadian country code (CA) with Singapore city designation, suggesting potential geolocation discrepancies in routing data. 3,000km accuracy radius reported.
Infrastructure Type: Cloud compute infrastructure hosted on OVH platform. No CDN, proxy, VPN, or Tor exit node indicators.
DNS Resolution: PTR hostname proxy-ca016-san9.ahrefs.net. Forward resolution confirmed with single hostname mapping. No SPF or DMARC email authentication records detected.
Services: No open ports detected; endpoint classified as firewalled with no active services.
## Risk Assessment
Risk Score: 40/100 (Moderate Risk)
Threat Indicators:
- 1 DNSBL listing among 8 total blacklist checks
- No Tor exit node, known attacker, or spam source indicators
- No active threat campaigns or associated malware signatures
- Provider score and authority scores at 0
Network Role: Cloud compute infrastructure with firewalled/no services designation. Operator score: 0.4783 (Basic level).
## Neighborhood Context
Subnet: 142.44.228.0/24
Abuse Density: 0.6133 (high_abuse classification)
Neighborhood Statistics:
- Total siblings: 256
- Active siblings: 194
- Threat siblings: 157
- Inherited risk: 24
Risk Distribution in /24: 0 high-risk, 81 medium-risk, 19 low-risk addresses. Sample of 100 neighboring IPs shows consistent risk scores between 40-50.
## Temporal Analysis
Observation History: 22 historical observations collected. Recent activity (June 2026) shows consistent cloud infrastructure classification. No ownership changes detected. Threat persistence days: 0. Not classified as persistently malicious.
## Relationship Graph
- Multiple relationships to OVH-CUST-281059695 network
- DNS associations to proxy-ca016-san9.ahrefs.net (11 relationship entries)
## Recommended Actions
Monitoring & Mitigation:
1. Apply moderate-risk filtering policies for 142.44.228.0/24 subnet due to high neighborhood abuse density (0.6133)
2. Monitor for lateral movement from related IPs within the /24 block (157 threat siblings identified)
3. Consider blocking or rate-limiting traffic from this subnet if enterprise environment shows exposure
4. No immediate takedown required; threat indicators not currently active at endpoint level
Firewall Rules: Implement allow-listing only if legitimate ahrefs.net business use is confirmed. Default recommendation: Monitor and log all traffic, apply rate limiting.
Priority: Low-Medium. Address requires monitoring due to neighborhood context despite clean individual profile.
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-san9.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca016-san9.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 | 45% | 2 | 3 |
| routing | 20% | 2 | 3 |
| services | 15% | 2 | 2 |
| ownership | 22% | 3 | 3 |
| reputation | 22% | 1 | 2 |
| geolocation | 25% | 2 | 2 |
| Overall | 25% | 12 | 15 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-20 05:43:34 UTC |
| Last Seen | 2026-06-28 10:47:05 UTC |
| Profile Built | 2026-06-29 04:53:20 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 27 |
Full dossier details are available via our API.