54.39.0.61📋 Copy

## Intelligence Briefing: IP 54.39.0.61/32

Date: 2026-06-20

Analyst: IPDebrief Intelligence Unit

Classification: Moderate Risk

---

Executive Summary

IP address 54.39.0.61 is a cloud compute infrastructure endpoint hosted on OVH network (ASN 16276) with a moderate overall risk score of 40. The IP resolves to aresolves to proxy-ca004-san61.ahrefs.net and shows evidence of DNSBL listing on one high-severity blacklist. The immediate subnet (54.39.0.0/24) demonstrates elevated abuse activity with 72.66% abuse density and 186 threat-sibling IPs detected across 256 total addresses.

---

Technical Profile

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Threat Indicators

• DNSBL Listings: 1 of 8 total lists flagged with high severity
• Known Attacker Status: False
• Tor Exit Node: False
• Spam Source: False
• Campaign Correlation: None observed
• Control Plane: BGP prefix 54.39.0.0/16 stable with AS path 57866→16276

---

Neighborhood Analysis (54.39.0.0/24)

The subnet exhibits elevated abuse characteristics:

• Abuse Density: 0.7266 (High)
• Threat Siblings: 186 of 256 addresses (72.66%)
• Active Siblings: 227 currently active
• Risk Distribution: 23 medium-risk, 77 low-risk neighbors
• Inherited Risk Score: 29

---

Historical Observations

• Total Signals: 23 observations recorded
• Recent Classification: high_abuse subnet designation
• Threat Persistence: Single threat observation event
• Ownership Stability: No ownership changes detected
• Geolocation Consensus: Inferred Canada (QC) with 3000km accuracy radius

---

Recommended Actions

Immediate Mitigation:

```bash

# iptables

iptables -A INPUT -s 54.39.0.61 -j DROP

# nftables

nft add rule inet filter input ip saddr 54.39.0.61 drop

```

WAF/Cloudflare Integration:

```json

{

"action": "block",

"description": "54.39.0.61 — IPDebrief risk score 40",

"filter": {"expression": "ip.src eq 54.39.0.61"}

}

```

AWS WAF Configuration:

```json

{

"Addresses": ["54.39.0.61/32"],

"Description": "IPDebrief risk 40"

}

```

---

Intelligence Assessment

The IP presents moderate risk primarily due to subnet-level abuse density rather than direct malicious activity. No active threat indicators (campaigns, known attacks, spam) were observed at the IP level. However, the high-abuse subnet classification warrants monitoring of the /24 range for related malicious activity. The cloud hosting context suggests this may be a compromised or misconfigured infrastructure endpoint rather than a traditional attacker IP.

Priority: Monitor subnet 54.39.0.0/24 for broader campaign activity. Implement blocking rules pending correlation with internal threat data.

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