2601:401:8100:d20:4899:3cd4:d574:e9ee📋 Copy

# Intelligence Briefing: 2601:401:8100:d20:4899:3cd4:d574:e9ee/128

Classification: Low Risk / Residential Endpoint

Date: 2026-09-12

Analyst: IPDebrief Intelligence Team

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## Executive Summary

The IPv6 address 2601:401:8100:d20:4899:3cd4:d574:e9ee/128 is classified as a clean residential endpoint belonging to Comcast Cable Communications, LLC. Analysis revealed no malicious indicators, threat activity, or reputation concerns. The IP presents no actionable threat intelligence.

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## Network Ownership & Classification

• Organization: Comcast Cable Communications, LLC (AS7922)
• Network Name: MICHIGAN-RPD-V6-2
• Registry: ARIN
• Geolocation: Battle Creek, Michigan, United States
• Infrastructure Type: Residential Endpoint
• Risk Score: 0 (Low Risk)

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## Threat Indicators

No threat indicators detected:

• Blacklist count: 0
• Known attacker status: False
• Tor exit node: False
• Spam source: False
• Abuse confidence score: None
• Known threat campaigns: None

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## Network Behavior Analysis

Services & Ports:

• No open ports detected
• No active services identified
• No TLS certificates or HTTP banners observed
• Port scanning indicated ports 80, 443, 22, 8080, 8443, 25, 3389

DNS Activity:

• No PTR records
• No forward resolution
• No hosted domains
• No email authentication records (SPF/DMARC)

Routing:

• BGP Prefix: 2601::/20
• Origin ASN: 7922 (Comcast)
• Route stability: False
• RPKI validation: Invalid

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## Neighborhood Assessment

The /48 subnet (2601:401:8100:d20:4899:3cd4:d574:e9ee/48) shows:

• Abuse Density: 0
• Classification: Clean
• Total Siblings: 1
• Active Siblings: 1
• Threat Siblings: 0

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## Observation History

19 signals were observed during analysis. All signals remained consistent with a benign residential profile:

• Geolocation signals consistently identified US/Michigan region
• Ownership remained stable under Comcast
• No threat indicators appeared in historical signals
• No ownership changes detected

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## Recommended Actions

Firewall Policy: Allow

No blocking or filtering is recommended. The IP address:

• Has no significant risk indicators
• Is properly classified as residential ISP infrastructure
• Shows no evidence of malicious activity
• Does not require special handling

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Confidence Level: Very Low (0.2417) – Limited data sufficiency due to residential endpoint nature with minimal observable activity.

Data Freshness: Live (observations from 2026-09-12T10:17:57 to 2026-09-12T10:28:10)

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