# IP Intelligence Briefing: 142.44.225.164/32
## Executive Summary
IP address 142.44.225.164 presents a Moderate Risk profile (Risk Score: 40) associated with OVH cloud infrastructure. The IP belongs to a high-abuse subnet with significant threat sibling density, warranting defensive monitoring and consideration for blocking based on operational context.
## Network Identity & Infrastructure
| Attribute | Value |
|---|---|
| **Provider** | OVH (ASN 16276) |
| **Organization** | Dmytro, Ahrefs Pte Ltd |
| **CIDR Block** | 142.44.225.0/24 |
| **Infrastructure Type** | Cloud Compute / Hosting |
| **Service Purpose** | Firewalled / No Services |
| **DNS Resolution** | proxy-ca017-san164.ahrefs.net |
| **Domain Association** | ahrefs.net |
## Threat Assessment
- Overall Risk Score: 40/100 (Moderate)
- Abuse Confidence: No direct threat indicators
- Blacklist Status: Listed on 1 of 8 DNSBL lists
- Tor/Proxy/Vpn: Negative indicators (not detected)
- Campaign Correlation: No known campaigns associated
## Neighborhood Analysis (142.44.225.0/24)
The subnet exhibits elevated abuse characteristics:
- Abuse Density: 0.5859 (58.59%)
- Classification: High Abuse
- Threat Siblings: 150 out of 256 total IPs
- Active Siblings: 195
- Inherited Risk: 23
Neighbor risk distribution shows 97 medium-risk and 3 low-risk IPs, with no high-risk neighbors in the sample set.
## Historical Observations
19 signal observations recorded. Recent activity (2026-06-21) indicates:
- Consistent cloud/hosting classification
- Stable operator score (0.2174)
- DNSSEC valid with CAA records present
- Route stability flagged as unstable
## Relationship Mapping
The IP maintains strong DNS associations with `proxy-ca017-san164.ahrefs.net`, indicating legitimate infrastructure usage. Multiple "Same Network" relationships confirm OVH-CUST-281059696 network assignment.
## Recommended Defensive Actions
Based on risk profile, the following firewall rules are recommended:
| Platform | Rule |
|---|---|
| **iptables** | `iptables -A INPUT -s 142.44.225.164 -j DROP` |
| **nftables** | `nft add rule inet filter input ip saddr 142.44.225.164 drop` |
| **nginx** | `deny 142.44.225.164;` |
| **pfSense** | `142.44.225.164/32` |
| **Cloudflare WAF** | Block with filter: `ip.src eq 142.44.225.164` |
| **AWS WAF** | Add to blocklist: `142.44.225.164/32` |
## Intelligence Notes for SOC Analysts
1. Contextual Risk: While the hostname suggests legitimate Ahrefs infrastructure, the IP resides within a high-abuse OVH subnet. This discrepancy warrants monitoring.
2. DNSBL Presence: Listed on 1 of 8 DNSBL lists indicates prior reputation issues despite current low threat indicators.
3. No Open Services: Services enumeration shows no open ports, consistent with a firewalled configuration.
4. Action Threshold: Risk score of 40 combined with subnet abuse characteristics justifies blocking for sensitive environments.
Classification: Moderate Risk - Monitor/Block Based on Operational Context
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-281059696 |
| CIDR Block | 142.44.225.0/24 |
| RIR | ARIN |
| Country | Singapore |
| Abuse Contact | โ |
๐ DNS Intelligence
| PTR | proxy-ca017-san164.ahrefs.net |
| Forward Confirmed | No โ PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | proxy-ca017-san164.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 | 27% | 2 | 2 |
| routing | 8% | 1 | 1 |
| services | 8% | 1 | 1 |
| ownership | 19% | 2 | 2 |
| reputation | 13% | 1 | 2 |
| geolocation | 19% | 2 | 2 |
| Overall | 16% | 9 | 10 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-05-26 00:49:38 UTC |
| Last Seen | 2026-06-29 02:17:04 UTC |
| Profile Built | 2026-06-29 02:52:15 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 18 |
Full dossier details are available via our API.