18.232.121.80📋 Copy

# IP Intelligence Briefing: 18.232.121.80/32

Classification: Cloud Infrastructure Host (AWS EC2)

Date: 2026-08-05

Analyst: IPDebrief Intelligence Team

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## Executive Summary

IP 18.232.121.80 is an Amazon Web Services EC2 instance hosted in Ashburn, Virginia (US). The IP registers a moderate risk score of 65/100, primarily driven by elevated risk classification. However, the address belongs to a clean subnet (abuse density: 0) with no adjacent threat siblings and no persistent malicious indicators. The instance is configured with SSH (port 22) and resolves to ec2-18-232-121-80.compute-1.amazonaws.com.

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## Technical Profile

Ownership & Registration:

• ASN: 14618 (Amazon Technologies Inc.)
• Network: AT-88-Z (18.32.0.0/11)
• RIR: ARIN
• PTR Hostname: ec2-18-232-121-80.compute-1.amazonaws.com

Geolocation:

• Country: United States (US)
• Region: Virginia
• City: Ashburn
• Accuracy Radius: 2,500 km

Network Classification:

• Type: Cloud Infrastructure (AWS)
• Anycast: No
• Mobile/Residential: No
• DNSBL Listed: 3 of 8 lists

Active Services:

• Port 22/TCP: SSH (OpenSSH 8.9p1 Ubuntu-3ubuntu0.16)

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## Threat Indicators Assessment

Current Threat Status: No active threat indicators detected.

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## Historical Observations

Signal History (20 observations):

• Most recent observation: 2026-08-05
• Signal confidence ranges: 0.26 to 0.90
• Routing and ownership signals stable
• No ownership changes recorded
• Threat observation count: 0

Temporal Analysis:

• Ownership changes: 0
• Threat persistence: None detected
• Classification remains consistent: Clean

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## Neighborhood Analysis

Subnet: 18.232.121.80/24

The IP resides in a clean subnet with no adjacent threat activity.

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## Relationships Graph

Total Relationships: 14

• Same Network associations: AT-88-Z (18.32.0.0/11)
• DNS Associations: ec2-18-232-121-80.compute-1.amazonaws.com (multiple entries)

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## Recommended Security Actions

Risk Score: 65/100 (Moderate Risk)

Primary Recommendation: Increase logging verbosity and review recent activity from this IP.

Firewall Rule Recommendations:

```bash

# iptables

iptables -A INPUT -s 18.232.121.80 -j DROP

# nftables

nft add rule inet filter input ip saddr 18.232.121.80 drop

# nginx

deny 18.232.121.80;

# pfSense

18.232.121.80/32

# Cloudflare WAF

{"description":"Block 18.232.121.80 — IPDebrief risk score 65","action":"block","filter":{"expression":"ip.src eq 18.232.121.80"}}

# AWS WAF

{"Addresses":["18.232.121.80/32"],"Description":"IPDebrief risk 65"}

```

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## Assessment Notes

While the IP carries a moderate risk score, contextual analysis suggests this is a standard AWS cloud infrastructure host rather than a malicious actor. The clean neighborhood classification, absence of persistent threat indicators, and legitimate AWS ownership support a benign classification. However, the elevated risk score warrants monitoring, particularly given the open SSH service.

Recommended Action: Monitor for suspicious activity patterns. Block only if specific malicious behavior is observed. Consider implementing rate limiting on SSH connections from this IP range if not already in place.

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*Intel generated by IPDebrief Intelligence Platform. Data current as of 2026-08-05.*

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