54.39.6.150📋 Copy

# IP Intelligence Briefing: 54.39.6.150/32

## Executive Summary

The IP address 54.39.6.150 is a cloud-based infrastructure resource hosted by OVH under the organizational block OVH-CUST-281059680. The address carries a moderate risk score of 40 and is associated with the ahrefs.net domain. While no direct threat indicators were identified, the subnet exhibits elevated abuse density, warranting situational awareness.

## Technical Profile

Classification: CloudCompute / Hosting Infrastructure

Risk Score: 40 (Moderate Risk)

ASN: 16276

Organization: Dmytro, Ahrefs Pte Ltd

Network: OVH-CUST-281059680 (54.39.6.0/24)

Geolocation: Canada, Quebec, Beauharnois (3000km accuracy radius)

Infrastructure: OVH cloud provider, firewalled with no open services detected

Network Role:

• Provider: OVH
• Infrastructure Type: CloudCompute
• Cloud Instance: Yes
• Hosting: Yes
• CDN/Proxy/VPN/Tor: No
• Bogon/Residential/Mobile: No

DNS Resolution:

• PTR Hostname: proxy-ca001-san150.ahrefs.net
• Forward Resolution: 1 confirmed hostname
• Hosted Domains: 0
• SPF/DMARC Records: Not configured

## Threat Indicators

No direct threat indicators were detected during analysis:

• Blacklist Count: 0
• Known Campaigns: None
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• DNSBL Listings: 1 of 8 total lists

Services: No open ports, TLS certificates, HTTP titles, or server banners detected. The infrastructure is currently firewalled with no active service enumeration.

## Neighborhood Analysis

The parent subnet 54.39.6.0/24 shows elevated abuse activity:

• Subnet Classification: High Abuse
• Abuse Density: 0.668 (elevated)
• Total Siblings: 256
• Active Siblings: 182
• Threat Siblings: 171 (66.7%)
• Inherited Risk Score: 26

Risk distribution across monitored neighbors: 53 medium-risk, 47 low-risk, 0 high-risk IPs. The high proportion of threat siblings indicates this is an active hosting environment with mixed-use traffic patterns.

## Historical Observations

Analysis of 24 historical observations revealed:

• Recent BGP routing confirmed ASN 16276 with stable origin
• No ownership changes detected
• No persistent malicious activity observed
• Threat observation count: 1
• Is Persistently Malicious: No

The IP maintains consistent ownership and routing characteristics. The single threat observation does not indicate established malicious behavior.

## Relationship Graph

57 relationships identified, primarily network-level associations to OVH-CUST-281059680. No cross-organization or certificate relationships detected.

## Recommended Actions

Based on the moderate risk profile and subnet abuse characteristics, the following firewall rules are recommended:

iptables:

```bash

iptables -A INPUT -s 54.39.6.150 -j DROP

```

nftables:

```bash

nft add rule inet filter input ip saddr 54.39.6.150 drop

```

nginx:

```nginx

deny 54.39.6.150;

```

Cloudflare WAF:

```json

{

"description": "Block 54.39.6.150 — IPDebrief risk score 40",

"action": "block",

"filter": {

"expression": "ip.src eq 54.39.6.150"

}

}

```

AWS WAF:

```json

{

"Addresses": ["54.39.6.150/32"],

"Description": "IPDebrief risk 40"

}

```

## Intelligence Assessment

The IP address 54.39.6.150 represents cloud hosting infrastructure with no immediate threat indicators. The elevated subnet abuse density suggests the broader network hosts mixed legitimate and potentially malicious traffic. The IP itself shows no persistent malicious behavior. SOC analysts should monitor the subnet for correlated activity while maintaining standard filtering practices. The IP is associated with ahrefs.net infrastructure, which may indicate legitimate web hosting or proxy usage depending on traffic patterns.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.