54.38.147.82📋 Copy

# IP INTELLIGENCE BRIEFING: 54.38.147.82/32

Date: 2026-06-19

Classification: Moderate Risk

Risk Score: 40/100

---

## EXECUTIVE SUMMARY

IP 54.38.147.82 is a cloud infrastructure address hosted on OVH SAS infrastructure (ASN 16276) with moderate overall risk. The IP belongs to a high-abuse subnet (54.38.147.0/24) showing elevated threat activity across sibling addresses. While the target IP itself shows no active threat indicators, its subnet context warrants defensive consideration.

---

## TECHNICAL PROFILE

Ownership & Network:

• ASN: 16276 (OVH SAS)
• Organization: Ahrefs Pte Ltd Dmytro
• Infrastructure Type: CloudCompute
• Registration: ARIN

Geolocation:

• Country: GB (England, London)
• GeoConsensus: False (minor inconsistency detected)
• Accuracy Radius: 750km
• Min RTT: 91ms | Avg RTT: 93.2ms

DNS Resolution:

• PTR: proxy-uk005-san82.ahrefs.net
• Domain: ahrefs.net
• Forward Resolution: Confirmed (1 hostname)
• DNSBL Listings: 1/8 total lists

---

## THREAT ASSESSMENT

Current Risk Level: Moderate (Score: 40)

Threat Indicators:

• No known attack campaigns
• Not a Tor exit node or known attacker
• No spam source classification
• 0 blacklist entries (current profile)

Control Plane Analysis:

• Route Stability: False
• DNSSEC Valid: Yes
• RPKI State: Unknown
• IRR Consistency: Unknown

Subnet Context (54.38.147.0/24):

• Abuse Density: 0.5039 (High Abuse Classification)
• Total Siblings: 256
• Active Siblings: 168
• Threat Siblings: 129 (50% of active addresses)
• Inherited Risk Score: 20

---

## OBSERVATION HISTORY

Analysis Period: 28 observations tracked

Notable Trends:

• Subnet abuse density fluctuated between 0.5039 and 0.625
• Classification remained consistently "high_abuse"
• One historical observation (2026-06-14) showed French (FR) geolocation from alienvault-otx, indicating potential routing anomalies
• Operator score: 0.2174 (Minimal)
• Threat persistence: 0 days (not persistently malicious)

---

## NETWORK RELATIONSHIPS

Identified Relationships: 88 total

• Primary: Same Network (OVH_282347341) - 83+ instances
• No certificate or hostname relationships beyond network-level
• No organization-level correlations

---

## SERVICE ANALYSIS

Open Ports: None detected

Service Purpose: Firewalled / No Services

TLS Certificate: None

HTTP Title: None

Server Banner: None

The IP appears to be a reserved or firewall-protected address with no publicly exposed services.

---

## RECOMMENDED ACTIONS

Primary Recommendation: Monitor or Block (context-dependent)

Firewall Rules Generated:

• iptables: `iptables -A INPUT -s 54.38.147.82 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 54.38.147.82 drop`
• nginx: `deny 54.38.147.82;`
• pfSense: `54.38.147.82/32`
• Cloudflare WAF: Block with expression `ip.src eq 54.38.147.82`
• AWS WAF: Block IP 54.38.147.82/32

Additional Context:

• No specific attack vectors identified against this IP
• Block decision should consider organizational policy and threat intelligence context
• Consider monitoring the /24 subnet for correlated activity given high abuse density

---

## ANALYST NOTES

This IP warrants attention primarily due to subnet-level risk context rather than individual threat indicators. The high-abuse classification of the /24 subnet, with 129 threat siblings, suggests this infrastructure segment is actively exploited. While the target IP itself shows no active malicious behavior, defensive positioning may be justified depending on threat scenario. The geographic inconsistency (GB primary, FR historical) indicates potential routing complexity or abuse patterns that warrant continued observation.

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