52.53.211.79📋 Copy

# IP Intelligence Briefing: 52.53.211.79/32

Classification: Moderate Risk - Cloud Infrastructure

Date: 2026-08-12

Analyst: IPDebrief Intelligence Team

## Executive Summary

IP 52.53.211.79 is an Amazon Web Services (AWS) infrastructure address associated with the AT-88-Z network block in the US West Coast region (San Jose, California). The IP presents a moderate risk profile (score: 50) primarily driven by DNSBL listings rather than active threat indicators. No malicious activity, campaigns, or known attacker signatures were observed. The neighborhood classification is clean with zero abuse density in the /24 subnet.

## Ownership and Infrastructure

• ASN: 16509 (AMAZON-02 - Amazon.com, Inc., US)
• Organization: Amazon Technologies Inc.
• Netname: AT-88-Z
• CIDR Block: 52.0.0.0/10
• Geolocation: United States, California, San Jose (2,500km accuracy radius)
• Infrastructure Type: Cloud Provider - AWS EC2 Instance
• PTR Hostname: ec2-52-53-211-79.us-west-1.compute.amazonaws.com

## Risk Assessment

## Network Neighborhood Analysis

Subnet: 52.53.211.79/24

• Abuse Density: 0 (Clean)
• Neighbor Count: 0
• Active Siblings: 1
• Threat Siblings: 0
• Inherited Risk: 0

No neighboring IPs in the /24 subnet show elevated risk. The subnet is classified as "clean" with no inherited risk signals.

## Threat Indicators

• Active Threats: None detected
• Known Campaigns: None
• Threat Feeds: None
• Campaign Likelihood: None

The IP shows no association with active malicious campaigns or coordinated attack activity.

## DNS and Service Analysis

• DNS Resolution: Forward confirmed (ec2-52-53-211-79.us-west-1.compute.amazonaws.com)
• Email Authentication: SPF record present
• Open Ports: None detected (Firewalled/No Services)
• TLS Certificate: Not present
• HTTP Title: Not available

The IP resolves to an AWS EC2 hostname and has no publicly accessible services, indicating it is either an internal infrastructure component or a heavily restricted cloud asset.

## Observation History

Analysis of 24 historical observations reveals:

• Consistent geolocation attribution to US West Coast (San Jose, California)
• Stable ASN resolution to AMAZON-02 (AS16509)
• No degradation in ownership stability
• Recent operator classification rated "Basic" (score: 0.2609)
• No new threat indicators appearing in observation history

## Recommended Security Actions

Due to the moderate risk classification and DNSBL listings, the following defensive measures are recommended:

Firewall Rules:

```bash

# iptables

iptables -A INPUT -s 52.53.211.79 -j DROP

# nftables

nft add rule inet filter input ip saddr 52.53.211.79 drop

# nginx

deny 52.53.211.79;

# pfSense

52.53.211.79/32

```

WAF Configuration:

• Cloudflare WAF: Block 52.53.211.79 (risk score: 50)
• AWS WAF: Add 52.53.211.79/32 to IP blacklist

Note: These recommendations are probabilistic and should be combined with other telemetry signals before implementing blocking rules.

## Intelligence Narrative

The target IP 52.53.211.79 represents standard AWS infrastructure within the US West (us-west-1) region. The moderate risk score is attributable to DNSBL listings rather than observed malicious behavior. The IP shows no threat indicators, no campaign associations, and operates in a clean neighborhood context.

Key Findings:

• Legitimate cloud infrastructure (AWS EC2)
• No active threats or malicious campaigns
• Clean subnet neighborhood (abuse density: 0)
• Historical consistency in geolocation and ownership
• No evidence of compromised status

Recommendation: Monitor rather than block. The moderate risk score warrants awareness but does not indicate immediate threat. If this IP appears in threat logs, investigate context before implementing blocking rules.

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