51.12.221.15📋 Copy

# IP Intelligence Briefing: 51.12.221.15/32

## Executive Summary

IP address 51.12.221.15 operates within Microsoft Azure cloud infrastructure (ASN 8075) with a moderate risk profile. The IP shows stable ownership characteristics, clean subnet classification, and no active threat indicators. Observations indicate legitimate cloud compute infrastructure hosting SSH services.

## Infrastructure Profile

• IP Address: 51.12.221.15
• Network Block: 51.12.0.0/16
• ASN: 8075 (Microsoft Azure)
• Organization: Divya Quamara
• Geolocation: Stockholm, SE (Sweden)
• Infrastructure Type: Cloud Compute (Microsoft Azure)
• Classification: Cloud-hosted single-service host

## Threat Assessment

• Overall Risk Score: 50 (Moderate Risk)
• Abuse Confidence Score: Not applicable
• Blacklist Status: 0 blacklist entries
• Threat Indicators: None detected
• Campaign Correlation: No matches

The IP is not flagged as a known attacker, Tor exit node, or spam source. No known malicious campaigns correlate with this address.

## Network Behavior

• Active Services: TCP/22 (SSH - OpenSSH 9.6p1 Ubuntu-3ubuntu13.18)
• DNS Resolution: No PTR records, no forward resolution
• Email Authentication: SPF and DMARC not configured
• SSL/TLS: No certificates detected

## Control Plane Analysis

• BGP Prefix: 51.12.0.0/15
• IRR Consistency: Match
• Route Stability: Not stable
• DNSBL Listings: 2 of 8 total lists
• Operator Score: 0.1304 (Minimal)

## Neighborhood Analysis

The /24 subnet (51.12.221.0.0/24) shows clean classification with zero abuse density. No neighboring IPs flagged as threats. The subnet contains 1 active sibling with no inherited risk.

## Historical Observations

Analysis of 19 historical observations reveals:

• Ownership stability: Stable
• BGP consistency: Match with ASN 8075
• Subnet classification: Clean
• No ownership transfers in 3-5 year periods
• No threat-related signal changes

## Key Relationships

The IP maintains 10 documented relationships, all classified as "Same Network" with target value "cloud," confirming association with Microsoft Azure cloud infrastructure.

## SOC Recommendations

1. Allow List Consideration: The IP demonstrates legitimate cloud infrastructure behavior with no threat indicators. Consider allow-listing for Azure traffic.

2. Monitor SSH Activity: The open SSH port warrants standard logging and monitoring for unauthorized access attempts.

3. No Immediate Action Required: Current risk profile supports normal operational treatment.

4. Continue Monitoring: Track for any changes in threat indicators or network behavior patterns.

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