20.239.58.221📋 Copy

# IP Intelligence Briefing: 20.239.58.221/32

Classification: Moderate Risk Cloud Infrastructure

Date: August 2026

## Executive Summary

IP 20.239.58.221 is registered to Microsoft Corporation (AS8075) and operates within Microsoft Azure cloud infrastructure. The IP carries a moderate risk score (50/100) with no active threat indicators, no open services, and a clean immediate subnet environment. No malicious campaigns or persistent abuse observed.

## Technical Profile

## Threat Assessment

Risk Score: 50/100 (Moderate)

Threat Indicators: None detected

• No known attacker reputation
• Not a spam source
• Not a Tor exit node
• No known campaign affiliations
• Zero blacklisted indicators

Network Environment:

• Subnet 20.239.58.0/24 classified as clean
• Zero abuse density within neighborhood
• No active or threatening sibling IPs detected
• No port services exposed

## Behavioral Analysis

Observation History: 18 total observations recorded

• Recent signals include US geolocation inference (Boston, US-MA) and ICMP validation failures
• No threat persistence indicators
• Ownership stability confirmed
• No evidence of sustained malicious activity

Control Plane:

• Route changes: 0 in last 30 days
• RPKI state: Not validated
• DNSSEC: Valid

## Relationships

• Primary network association: Microsoft (MSFT)
• No external entity relationships detected
• No correlated malicious IPs identified

## Recommended Actions

Default Stance: Monitor

• IP is legitimate Azure cloud infrastructure
• Risk score elevated due to DNSBL presence without corresponding threat activity
• No immediate blocking recommended absent additional context

If Blocking Required (e.g., organization-specific policy):

```bash

# iptables

iptables -A INPUT -s 20.239.58.221 -j DROP

# nftables

nft add rule inet filter input ip saddr 20.239.58.221 drop

```

## Analyst Notes

The moderate risk score (50) appears to stem from DNSBL listings rather than active threat behavior. The IP belongs to Microsoft's Azure infrastructure and shows no evidence of malicious activity. The subnet environment is clean with no neighboring threats. SOC teams should correlate with organization-specific threat data before applying blocking rules.

Confidence Level: High

Data Sources: IPDebrief profile, history, relationships, neighborhood analysis

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