115.159.71.253📋 Copy

# IP Intelligence Briefing: 115.159.71.253/32

Classification: Moderate Risk | Jurisdiction: CN (China) | ASN: AS45090 TencentCloud | Generated: 2026-06-25

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## Executive Summary

Target IP 115.159.71.253 presents a moderate risk profile (Risk Score: 50) associated with TencentCloud infrastructure in Shanghai, China. The IP exhibits no active services and appears firewalled, though historical threat intelligence indicates prior malicious activity with high-severity blacklist listings. No active campaigns or correlated infrastructure detected.

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## Network Ownership & Attribution

• ASN: AS45090 (TencentCloud)
• Organization: James Tian
• CIDR Block: 115.159.0.0/16
• RIR: APNIC
• Geolocation: Shanghai, China (CN)
• Control Plane: BGP prefix 115.159.70.0/23, RPKI state unknown

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## Threat Assessment

Historical Signals (14 observations):

• Recent activity (2026-06-25) shows 8 threat listings with high-severity classifications
• AlienVault OTX signals indicate threat activity with 3 associated pulse names
• Operator score: Minimal (0)

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## Network Behavior Analysis

• Services: None detected (open ports: 0)
• DNS Resolution: No PTR hostnames, no forward resolution
• Infrastructure Classification: Firewalled / No Services
• Route Stability: False (route changes observed in 30-day window)
• DNSSEC: Valid
• Campaign Correlation: 0 correlated IPs, 0 certificate matches

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## Subnet Neighborhood Assessment

The /24 subnet shows no abuse activity, with only 1 total sibling IP and 0 active or threat siblings. This indicates the target operates in isolation within its subnet.

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## Relationships Analysis

All 14 relationship entries point to TencentCloud as the same network entity. No external relationships detected to organizations, hostnames, certificates, or other networks. This suggests the IP is not part of a broader infrastructure campaign.

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## Recommended Actions

Based on risk profile, the following defensive controls are recommended:

Firewall Rules:

• `iptables -A INPUT -s 115.159.71.253 -j DROP`
• `nft add rule inet filter input ip saddr 115.159.71.253 drop`
• `nginx: deny 115.159.71.253;`
• Cloudflare WAF: Block with filter expression `ip.src eq 115.159.71.253`
• AWS WAF: Add 115.159.71.253/32 to block list

Note: These recommendations are probabilistic and should be validated against live traffic patterns before implementation.

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## Key Observations

1. Historical Threat Activity: Despite current clean status, historical data indicates prior malicious activity with high-severity blacklist listings

2. Infrastructure Isolation: No active services and no open ports suggest the IP is either properly secured, abandoned, or actively firewalled

3. Subnet Context: Clean neighborhood with zero abuse density reduces likelihood of coordinated campaign activity

4. Geographic Risk: Shanghai-based TencentCloud infrastructure warrants continued monitoring for emerging threats

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Analyst Notes: Monitor for service emergence and DNS activity. Cross-reference with internal threat feeds for any correlation to observed incidents.

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