161.35.75.51📋 Copy

# IP Intelligence Briefing: 161.35.75.51/32

Classification: LOW RISK

Date: 2026-06-16

Analysis Period: Single observation window

Analyst: IPDebrief Intelligence Team

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## Executive Summary

The IP address 161.35.75.51/32 presents a low-risk profile with a reputation score of 25. The address is hosted on DigitalOcean, LLC (AS14061) infrastructure within the 161.35.0.0/16 CIDR block. Analysis indicates clean network behavior with no active threat indicators, blacklisting, or malicious activity patterns observed.

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## Ownership and Network Infrastructure

Provider: DigitalOcean, LLC (AS14061)

Network Block: 161.35.0.0/16

RIR Registration: ARIN

CIDR Block: 161.35.64.0/20 (BGP Prefix)

The IP address operates within DigitalOcean's cloud compute infrastructure. Network role classification identifies this as cloud-based hosting infrastructure with services described as "Firewalled / No Services." The control plane indicates stable routing with no route changes observed over the past 30 days. RPKI state and IRR consistency data are available but not flagged as problematic.

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## Geolocation Intelligence

Primary Location: Germany (DE)

Region: Hesse

City: CO (Coeln/Colonia)

Coordinates: 51.17, 10.45

Accuracy Radius: 600 km

Timezone: Europe/Berlin

Geolocation consensus shows the IP resolves to Germany with moderate confidence (0.35). Multiple geolocation signals were aggregated to determine the consensus location. The distance-based analysis and RTT measurements indicate the IP is not flagged as geographically implausible.

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## Threat Assessment

Risk Score: 25/100 (Low Risk)

Abuse Confidence Score: Not applicable (no threats detected)

Blacklist Count: 0

Threat Feeds: None

Known Campaigns: None

Threat analysis yielded no indicators of malicious activity:

• Not identified as a Tor exit node
• Not flagged as a known attacker
• No spam source designation
• Zero blacklist hits across threat intelligence feeds
• No evidence of persistent malicious behavior
• Threat observation count: 0

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## Network Services and DNS Analysis

Open Ports: None detected

DNS Forward Resolution: 0 hosts resolved

PTR Hostnames: None

Hosted Domains: 0

TLS Certificates: None

HTTP Services: None detected

The IP address shows no active services on common ports. DNS analysis indicates no forward resolution or PTR records. No email authentication records (SPF, DMARC) were found. The absence of open ports and service banners suggests the infrastructure is either properly secured or not actively serving applications.

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## Neighborhood Analysis

Subnet: 161.35.75.51/24

Abuse Density: 0

Classification: Clean

Total Siblings: 1

Active Siblings: 0

Threat Siblings: 0

The /24 neighborhood shows zero abuse density with no identified threat siblings. The single sibling IP in the subnet was classified as clean with no active or historical threats detected. This indicates the broader subnet maintains a low-risk posture.

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## Relationship Graph

Three relationships were identified, all pointing to the same network entity:

• Type: Same Network
• Target: DIGITALOCEAN-161-35-0-0 (Network)

All relationships confirm the IP's membership within DigitalOcean's network infrastructure. No external relationships to organizations, certificates, or subnets were detected.

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## Historical Observations

Analysis of 15 historical observations indicates consistent low-risk behavior over the observation period:

• Observation Count: 15 signals recorded
• Classification Trend: Consistently "clean"
• Abuse Density Trend: Maintained at 0
• Ownership Stability: No ownership changes detected
• Threat Persistence: None observed
• Inherited Risk: 0

The observation history demonstrates no escalation in risk profile over time. Signals remained stable with no introduction of threat indicators or malicious activity.

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## Security Recommendations

Recommended Actions: None required

Firewall Rules: No blocking recommended based on current risk profile

Monitoring Level: Standard

Given the low-risk profile (score: 25), clean neighborhood classification, and absence of threat indicators, no immediate blocking or restrictive firewall rules are recommended. The IP may be monitored as part of standard cloud infrastructure observation protocols.

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

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## Conclusion

IP address 161.35.75.51/32 is classified as low-risk with no active threat indicators. The address operates on legitimate DigitalOcean cloud infrastructure with no evidence of malicious use. The clean neighborhood classification and consistent historical observations support continued monitoring without escalation. No immediate action required.

Status: Monitor

Priority: Low

Next Review: Standard periodic assessment

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