188.245.60.1📋 Copy

# IP Intelligence Briefing: 188.245.60.1/32

## Executive Summary

Risk Level: Moderate Risk (Score: 40)

Infrastructure: Hetzner CloudCompute Hosting (Germany)

Threat Indicators: DNSBL Listed (1/8 lists), No Active Threat Campaigns

Recommendation: Monitor with awareness of blacklist presence; blocking recommended pending contextual analysis

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## Infrastructure Profile

Ownership & Network:

• ASN: 24940 (Hetzner Online GmbH)
• Organization: Hetzner Online GmbH - Contact Role
• CIDR Block: 188.245.0.0/16 (DE-HETZNER-20110117)
• Registration RIR: RIPE

Geolocation:

• Country: Germany (DE)
• Region: Saxony
• City: Falkenstein
• Coordinates: 51.17°N, 10.45°E
• Geo Consensus: Validated across multiple sources

Network Classification:

• Infrastructure Type: CloudCompute
• Hosting Status: Active Cloud Hosting Provider
• Connection Type: Web Server
• Anycast/Proxy/Tor: Not detected

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## DNS & Service Analysis

DNS Configuration:

• PTR Hostname: 188-245-60-1.cprapid.com
• Forward Resolution: Confirmed (1 record)
• Email Authentication: SPF and DMARC absent
• DNSSEC: Validated

Service Exposure:

• Open Ports: TCP/80 (HTTP), TCP/443 (HTTPS)
• Web Server: nginx (version detection pending)
• TLS Certificate: Issued by Let's Encrypt (CN=188-245-60-1.cprapid.com)
• HTTP Status: 301 Redirect
• HTTP Version: 1.1 (HTTP/2 not enabled)
• Security Headers: HSTS, CSP, and Referrer-Policy absent

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## Threat Indicators

Blacklist Status:

• DNSBL Listed: 1 of 8 total lists
• Abuse Confidence: Not quantified in primary profile
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No

Campaign Correlation:

• Cert Matches: 0
• Banner Matches: 0
• Correlated IPs: 0
• Campaign Likelihood: None

Control Plane:

• Operator Score: 0.2609 (Basic classification)
• Route Stability: Unstable
• Route Changes (30d): 0

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## Neighborhood Analysis

Subnet Assessment (188.245.60.0/24):

• Abuse Density: 0.0 (Clean)
• Classification: Clean
• Inherited Risk: 0
• Total Siblings: 1
• Active Siblings: 1
• Threat Siblings: 0

Risk Distribution: No high or medium risk neighbors detected

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## Observation History

Signal Count: 21 observations (recent activity concentrated in August 2026)

Key Historical Signals:

• Blacklist Activity: Multiple listing events observed with severity ranging from medium to high across 8 lists
• HTTP Fingerprint: Consistent nginx server signature, 301 redirect behavior
• Subnet Classification: Consistently classified as "clean" with 0 abuse density
• Ownership Stability: No ownership changes recorded

Temporal Trends: No persistent malicious activity detected; threat persistence days: 0

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## Recommended Actions

Immediate Recommendations:

1. Firewall Rules:

- `iptables -A INPUT -s 188.245.60.1 -j DROP`

- `nft add rule inet filter input ip saddr 188.245.60.1 drop`

2. Web Application Firewall:

- Nginx: `deny 188.245.60.1;`

- Cloudflare WAF: Block with filter expression `ip.src eq 188.245.60.1`

- AWS WAF: Add IP 188.245.60.1/32 to block list

3. Security Headers: Consider monitoring for missing security headers (HSTS, CSP, Referrer-Policy) as potential attack vector

Contextual Notes:

• Risk score of 40 suggests moderate concern, primarily driven by DNSBL presence
• Subnet shows no abuse indicators; threat may be isolated to this specific IP
• Infrastructure is legitimate cloud hosting; false positive possible but blacklist presence warrants scrutiny

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## Threat Intelligence Assessment

Primary Concern: DNSBL listing indicates prior abuse or reputation issues, though no active threat campaign detected

Secondary Observations:

• Missing email authentication (SPF/DMARC) increases phishing risk if this IP hosts mail
• Absence of modern HTTP/2 and security headers reduces defense-in-depth
• Single IP in clean subnet suggests isolated incident rather than systemic issue

Confidence Level: Moderate — blacklist presence without active threat indicators suggests potential false positive or resolved issue requiring monitoring

SOC Analyst Action: Monitor traffic patterns; consider blocking pending correlation with internal threat data and confirmed abuse reports

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