138.185.185.144📋 Copy

# IP Intelligence Briefing: 138.185.185.144

## Executive Summary

IP address 138.185.185.144 presents a moderate risk profile (score: 40) with no active threat indicators. The address belongs to RM dos Santos Informatica in Torres, Rio Grande do Sul, Brazil, and shows limited network activity with no open services detected.

## Ownership and Infrastructure

• Organization: RM dos Santos Informatica
• ASN: 61893
• CIDR Block: 138.185.184.0/22
• RIR: ARIN
• Geolocation: Brazil (Rio Grande do Sul, Torres)
• Service Purpose: Firewalled / No Services

## Threat Assessment

Risk Classification: Moderate Risk (40/100)

Threat Indicators:

• No known attack campaigns identified
• No threat feed matches
• Not listed as known attacker or spam source
• Tor exit node: No
• Abuse confidence score: Not available

Blacklist Status:

• DNSBL Listed: 2 out of 8 total lists
• Traditional blacklist count: 0

## Network Activity

Services: No open ports detected

DNS Resolution:

• PTR Record: 138.185.185.144.rmstelecom.net.br
• Forward resolution: Unconfirmed
• Email Authentication: No SPF or DMARC records configured

Network Role:

• Not classified as provider, CDN, VPN, proxy, hosting, mobile, or residential infrastructure
• Route stability flagged as false

## Neighborhood Analysis

Subnet: 138.185.185.0/24

• Abuse Density: 1
• Classification: Mostly Clean
• Inherited Risk: 2
• Active Siblings: 0
• Threat Siblings: 1

## Historical Observations

Sixteen signal observations recorded with consistent geolocation data from Brazil. Recent observations indicate:

• Minimal operator score (0.1304)
• Stable ownership without changes
• No persistent malicious activity detected

## Related Entities

• DNS Associations: 138.185.185.144.rmstelecom.net.br (multiple records)
• Network Relationships: 257951 (network identifiers)

## Recommended Actions

Given the moderate risk score and presence on 2 DNSBL lists, the following rules are recommended:

Firewall Rules:

• `iptables -A INPUT -s 138.185.185.144 -j DROP`
• `nft add rule inet filter input ip saddr 138.185.185.144 drop`
• `nginx deny 138.185.185.144;`

Cloud Protection:

• Cloudflare WAF: Block with risk score 40
• AWS WAF: Add 138.185.185.144/32 to protected addresses

## Analyst Notes

This IP demonstrates minimal operational activity with no detectable services or open ports. The moderate risk score primarily derives from DNSBL listings rather than active threat intelligence. The subnet is classified as mostly clean with minimal inherited risk. Consider monitoring for changes in service activity or additional blacklist placements before escalating to immediate blocking actions.

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