52.21.62.139📋 Copy

# Intelligence Briefing: 52.21.62.139/32

Classification: LOW RISK | Report Date: August 2026

Analyzed By: IPDebrief Intelligence Platform

## Executive Summary

IP 52.21.62.139 is a low-risk (risk score: 25) cloud infrastructure address belonging to Amazon Web Services. The IP demonstrates stable operational characteristics with no active threat indicators. No immediate defensive action required.

## Ownership and Network Identity

• Organization: Amazon Technologies Inc.
• Network Name: AT-88-Z
• CIDR Block: 52.0.0.0/10
• ASN: AS14618 (Amazon.com, Inc.)
• Geolocation: Ashburn, Virginia, United States (US-VA)
• Coordinates: 39.04°N, 77.49°W

## Technical Classification

• Infrastructure Type: CloudCompute
• Provider: Amazon Web Services
• Cloud Status: Active cloud infrastructure
• Connection Type: Firewalled / No Services
• Open Ports: None detected
• TLS/Certificate: Not applicable

## DNS and Resolution

• PTR Hostname: 52-21-62-139.crawl.amazonbot.amazon
• Forward Resolution: Confirmed to crawl.amazonbot.amazon
• DNSSEC: Valid
• Records: 1 forward resolution, 0 email authentication records

## Threat Assessment

• Risk Score: 25 (Low)
• Abuse Confidence: Null
• Blacklist Status: 0 blacklists
• Tor Exit Node: False
• Known Attacker: False
• Spam Source: False
• Known Campaigns: None identified

## Control Plane Observations

• IRR Consistency: Mismatch detected
• Analyzed ASN: 14618 (announced)
• IRR Origin ASN: 16509
• BGP Prefix: 52.20.0.0/14
• Route Stability: False (route changes detected in 30-day window)
• DNSBL Listings: 1 of 8 lists checked

## Neighborhood Analysis

• Subnet: 52.21.62.0/24
• Abuse Density: 0 (clean)
• Threat Siblings: 0
• Active Siblings: 1
• Classification: Clean

## Historical Signals

21 observations recorded from August 2026, showing:

• Consistent geolocation reporting from Ashburn, VA
• Stable network ownership (Amazon)
• Persistent IRR mismatch with AS14618/AS16509 conflict
• Basic operator classification maintained across observations
• No emerging threat patterns

## Relationship Graph

14 relationships identified:

• Multiple DNS associations to crawl.amazonbot.amazon hostname
• Network associations to AT-88-Z subnet

## Recommended Actions

No specific defensive actions required. The IP represents legitimate cloud infrastructure with no threat indicators.

Suggested Monitoring:

• Monitor IRR consistency changes
• Track DNSBL listing status
• Standard cloud infrastructure baseline monitoring

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*Intel generated by IPDebrief Intelligence Platform for defensive security operations.*

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