155.248.164.42📋 Copy

# IP INTELLIGENCE BRIEFING: 155.248.164.42/32

Classification: Moderate Risk | Status: Active Cloud Infrastructure | Date: 2026-06-22

## Executive Summary

IP 155.248.164.42 is a moderate-risk (score 40/100) address assigned to Oracle Public Cloud (ASN 31898). The IP is part of Oracle Cloud compute infrastructure with minimal operator-level risk indicators. While the IP shows no persistent malicious behavior, it has been flagged on one DNS blacklist, warranting monitoring.

## Technical Profile

Ownership & Network:

• ASN: 31898 (Oracle Public Cloud)
• BGP Prefix: 155.248.160.0/19
• RIR: ARIN
• Infrastructure Type: Cloud Compute (single-service host)
• Network Classification: Cloud infrastructure, hosting provider

Geolocation:

• Country: United States (US)
• Region: Chiba, Inzai
• Geo Validation: Plausible (ICMP blocked during validation)
• Distance: 9,216.9km from validation point

Network Services:

• Port 22/TCP: SSH (OpenSSH 8.0)
• No HTTP/TLS services detected
• No reverse DNS resolution
• Zero hosted domains

DNS & Reputation:

• DNSBL Listed: 1/8 lists
• Operator Score: 0.1304 (Minimal)
• No known campaigns or threat feed associations
• Not a Tor exit node or known attacker

## Threat Assessment

Risk Indicators:

• Risk Score: 40 (Moderate)
• Abuse Confidence: No specific confidence score
• No active threat indicators in feed data
• No correlation to known malware campaigns

Historical Analysis:

• 19 observations recorded across the assessment period
• Recent DNSBL activity observed (up to 2 listings with high severity on 2026-06-18)
• Max severity listed as "medium" to "high" on recent observations
• No persistent malicious activity detected
• Route stability: Unstable (isRouteStable: false)

## Neighborhood Analysis

Subnet: 155.248.164.42/24

• Abuse Density: 0 (clean)
• Total Siblings: 1 (active)
• Threat Siblings: 0
• Classification: Clean subnet

Network Relationships:

• 25 relationships identified, all mapped to Oracle Cloud network (OC-260)
• No external organizational or certificate relationships detected

## Recommended Actions

Immediate Mitigation:

• No specific action required given cloud provider context
• Monitoring recommended due to DNSBL listing

Firewall Rules (if blocking warranted):

• iptables: `iptables -A INPUT -s 155.248.164.42 -j DROP`
• nftables: `nft add rule inet filter input ip saddr 155.248.164.42 drop`
• pfSense: `155.248.164.42/32`
• Cloudflare WAF: Block with expression `ip.src eq 155.248.164.42`
• AWS WAF: Add address 155.248.164.42/32

## Analyst Notes

This IP represents legitimate Oracle Cloud infrastructure with a moderate risk score. The single DNSBL listing requires context before blocking. As cloud compute infrastructure, the IP may be legitimately used for various services including SSH access. No immediate threat indicators suggest this IP is actively malicious. Continue monitoring for changes in risk profile or additional blacklist associations.

Recommendation: Monitor rather than block. If additional threat indicators emerge or the IP shows increased malicious activity, reassess with enhanced filtering.

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