52.51.57.149📋 Copy

# IP Intelligence Briefing: 52.51.57.149/32

Classification: Cloud Infrastructure

Date: 2026-08-06

Analyst: IPDebrief Intelligence Team

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## Executive Summary

IP address 52.51.57.149 is identified as a cloud computing resource belonging to Amazon Web Services (AWS), specifically hosted within the AMAZON-DUB network in Dublin, Ireland. The IP exhibits moderate risk characteristics (score: 50/100) but demonstrates no active threat indicators. No malicious activity, blacklist listings, or known campaigns were observed.

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## Technical Profile

Ownership & Registration

• Organization: Amazon Data Services Ireland Limited
• ASN: 16509
• CIDR Block: 52.48.0.0/14
• RIR: ARIN
• Network Name: AMAZON-DUB
• Abuse Contact: trustandsafety@support.aws.com

Geolocation

• Country: Ireland (IE)
• Region: Leinster
• City: Dublin
• Coordinates: 53.3354° N, -6.252° W
• Geographic Accuracy: 2,500 km radius
• Validation Status: GeoPlausible = Yes

DNS Resolution

• PTR Record: ec2-51-57-149.eu-west-1.compute.amazonaws.com
• Forward Resolution: Confirmed (1 hostname)
• Email Authentication: SPF = Yes, DMARC = Yes
• Certificate Authority (CAA): Valid

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## Threat Assessment

Risk Metrics

• Overall Risk Score: 50/100 (Moderate Risk)
• Abuse Confidence Score: Not applicable
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0

Threat Indicators

• Active Threats: None detected
• Campaign Associations: None
• Known Malicious Activity: No observed
• Threat Persistence: None (0 days)
• Malicious Observation Count: 1 total signal observed

Network Role Classification

• Infrastructure Type: Cloud (AWS EC2)
• Connection Type: Firewalled / No Services Detected
• Service Purpose: Infrastructure hosting

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## Historical Analysis

Observation history reveals 17 recorded signals with the most recent activity dated 2026-08-06. Key observations include:

The IP demonstrates stable ownership with zero ownership changes recorded. Geographic validation is constrained by ICMP blocking, though geolocation data remains plausible.

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## Neighborhood Analysis

Subnet: 52.51.57.149/24

• Total Siblings: 0
• Active Siblings: 0
• Threat Siblings: 0
• Abuse Density: 0
• Inherited Risk: 0

No neighboring IP addresses detected within the /24 subnet, indicating isolated infrastructure deployment typical of cloud environments.

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## Relationships

The IP maintains associations with:

• DNS Hostname: ec2-52-51-57-149.eu-west-1.compute.amazonaws.com
• Network: AMAZON-DUB (same network classification)

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## Recommended Security Actions

Despite the moderate risk classification, the IP shows no active malicious behavior. The following controls may be applied based on organizational policy:

Firewall Rules

• iptables: `iptables -A INPUT -s 52.51.57.149 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 52.51.57.149 drop`
• nginx: `deny 52.51.57.149;`
• pfSense: `52.51.57.149/32`

Cloud Platforms

• Cloudflare WAF: Block with description "IPDebrief risk score 50"
• AWS WAF: Address `52.51.57.149/32` with description "IPDebrief risk 50"

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## Analyst Notes

This IP represents legitimate AWS cloud infrastructure deployed in Dublin. The moderate risk score (50) is consistent with cloud hosting environments where IP addresses may be reassigned or used for various legitimate purposes. No evidence of malicious activity, abuse, or threat campaigns was detected.

Recommendation: Monitor as standard cloud traffic. If specific traffic patterns from this IP are detected as suspicious, consider implementing the provided firewall rules pending further investigation.

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*Intel generated by IPDebrief Intelligence Platform*

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