20.24.211.16📋 Copy

## Intelligence Briefing: 20.24.211.16/32

Executive Summary

IP address 20.24.211.16 is a Microsoft Azure cloud infrastructure endpoint registered to Microsoft Corporation (ASN 8075) with a moderate overall risk score of 40. The IP is part of the 20.0.0.0/11 Microsoft Azure block, geolocated to Hong Kong, and operates within a clean subnet environment with no observed malicious activity.

Infrastructure Profile

Ownership:

• Organization: Microsoft Corporation
• ASN: 8075 (MSFT)
• Network: 20.0.0.0/11
• RIR: ARIN

Network Role:

• Infrastructure Type: CloudCompute
• Platform: Microsoft Azure
• Classification: Cloud hosting infrastructure
• Service Purpose: Firewalled / No Services exposed

Geolocation:

• Country: Hong Kong (HK)
• Coordinates: 22.31°N, 113.91°E
• Timezone: Asia/Hong_Kong

Threat Assessment

Risk Indicators:

• Overall Risk Score: 40 (Moderate)
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Threat Feeds: None detected
• Known Campaigns: None

Network Behavior:

• Open Ports: None detected
• TLS Certificates: None
• HTTP Services: None exposed
• Server Banners: None observed
• DNS Resolution: Forward resolution disabled
• PTR Records: None registered
• Email Authentication: SPF and DMARC not configured

Control Plane:

• DNSSEC Valid: Yes
• DNSBL Listed: 2 of 8 total lists
• Route Stability: Variable (route changes observed in 30-day window)
• Transit Networks: Comcast (last hop)

Subnet Environment (20.24.211.0/24)

Neighborhood Analysis:

• Subnet Classification: Clean
• Abuse Density: 0
• Total Siblings: 5
• Active Siblings: 5
• Threat Siblings: 0

Neighbor Risk Distribution:

• High Risk: 0 IPs
• Medium Risk: 0 IPs
• Low Risk: 4 IPs (20.24.211.29, 20.24.211.57, 20.24.211.97, 20.24.211.231)

All neighboring IPs maintain low risk scores (25) with authority scores of 50, indicating legitimate Microsoft infrastructure within the subnet.

Observation History (17 Signals)

Recent signal observations show consistent network behavior:

• Subnet classification remained "clean" throughout observation period
• Operator risk score: 0.1304 (Minimal)
• No threat indicator changes detected
• No service enumeration or port scan activity observed
• No certificate or banner matches recorded

Recommended Actions

Firewall Rule Recommendations:

• iptables: `iptables -A INPUT -s 20.24.211.16 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 20.24.211.16 drop`
• nginx: `deny 20.24.211.16;`
• pfSense: `20.24.211.16/32`
• Cloudflare WAF: Block expression `ip.src eq 20.24.211.16`
• AWS WAF: Address `20.24.211.16/32`

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

Intelligence Narrative

This IP represents Microsoft Azure cloud infrastructure with no evidence of malicious activity. The moderate risk score of 40 is attributed to its classification as cloud hosting infrastructure rather than observed malicious behavior. The subnet exhibits clean characteristics with zero threat indicators across all 5 sibling IPs. No historical threat activity has been recorded.

For SOC analysts: While Microsoft Azure endpoints are generally trusted, the absence of service exposure suggests this IP may be an internal or management address. If traffic from this IP is observed on your network perimeter, it may be legitimate Azure management traffic or could indicate unauthorized cloud resource access. Consider correlating with your Azure tenant activity logs if relevant. No immediate blocking is recommended unless additional threat intelligence indicates compromise.

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