161.35.23.16📋 Copy

# IP Intelligence Briefing: 161.35.23.16

Date: 2026-07-31

Classification: LOW RISK / CLEAN

Analysis Level: Full Profile

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## Executive Summary

IP 161.35.23.16 is a low-risk cloud infrastructure address operated by DigitalOcean, LLC (ASN 14061). The IP is geolocated to Frankfurt am Main, Germany, and currently shows no active threat indicators, open services, or malicious behavior. While the IP itself is clean, the immediate /24 neighborhood contains elevated-risk peers that warrant monitoring.

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## Technical Profile

Network Role & Services

• Connection Type: Cloud-hosted infrastructure
• Open Ports: None detected
• HTTP Services: None active
• TLS Certificates: None
• PTR Hostnames: None resolved

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## Threat Assessment

Current Threat Indicators

• Abuse Confidence: None detected
• Blacklist Count: 0 active blocks
• Known Campaigns: None correlated
• Tor Exit/Proxy: No
• Known Attacker: No
• Spam Source: No
• Honeypot Hits: 0
• Enumeration Strikes: 0

Control Plane Analysis

• Route Stability: False
• Route Changes (30d): 0
• BGP Prefix: 161.35.16.0/20
• RPKI State: Not verified
• DNSSEC Valid: Yes
• Operator Score: 0.1304 (Minimal)

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## Observation History

The IP has been observed 16 times since record inception. Key temporal findings:

• Classification Consistency: Maintained "clean" status across recent observations
• Ownership Stability: No ownership changes detected
• Threat Persistence: 0 days (not persistently malicious)
• Geolocation Variance: One probe flagged US coordinates (39.83, -98.58) with 35% confidence, while consensus geolocation indicates Germany (Frankfurt). This may indicate geofltering or CDN proxying.
• ICMP Validation: Blocked (unable to validate geolocation via ICMP)

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## Neighborhood Analysis: /24 Subnet

Subnet: 161.35.23.16/24

Abuse Density: 0.5 (Moderate)

Total Siblings: 3

Active Siblings: 3

Threat Siblings: 0

High-Risk Neighbors Detected

Risk Distribution in Subnet:

• High Risk: 1 IP
• Medium Risk: 1 IP
• Low Risk: 0 IPs

Note: The subnet abuse density of 0.5 indicates moderate contamination. IP 161.35.23.211 (risk score 80) represents a notable threat presence within the same /24 block.

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## Relationships

The IP exhibits only internal network relationships:

• Same Network: DIGITALOCEAN-161-35-0-0 (repeated relationships)
• External Entities: No associated hostnames, organizations, or certificates detected

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## Recommended Actions

Immediate

1. Allow Traffic: No blocking recommended for 161.35.23.16 based on current risk profile

2. Monitor Neighbor 161.35.23.211: This IP (risk score 80) should be added to monitoring/SIEM correlation rules

3. Monitor Neighbor 161.35.23.101: Elevated risk peer requiring periodic review

Firewall Rules

No specific firewall rules generated for this IP. The address is classified as clean and poses no immediate threat.

Additional Context

• The IP is part of DigitalOcean's cloud infrastructure and is likely a legitimate hosting or compute service
• No services are actively listening, suggesting the IP may be a reserved or idle address
• DNSBL listing (1 of 8) may be a false positive or legacy record

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## Intelligence Summary

IP 161.35.23.16 presents a LOW RISK profile with no active threat indicators. The address operates within DigitalOcean's Frankfurt infrastructure and shows stable, clean behavior over the observation period. While the IP itself requires no remediation, the SOC should monitor the /24 neighborhood, particularly 161.35.23.211 (risk score 80), which represents a potential threat presence in the same subnet. No immediate blocking or mitigation actions are warranted for this specific IP address.

Status: Monitor / No Action Required

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