151.101.1.140📋 Copy

## INTELLIGENCE BRIEFING: 151.101.1.140/32

Classification: LOW RISK — CDN Infrastructure

Date: 2026-08-06

Analyst: IPDebrief Intelligence Team

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EXECUTIVE SUMMARY

IP 151.101.1.140/32 is a low-risk infrastructure endpoint belonging to Fastly, Inc. (ASN 54113), operating as a Content Delivery Network (CDN) service. The address presents no active threat indicators and is associated with legitimate web serving operations, specifically for Reddit Inc. infrastructure.

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OWNERSHIP & INFRASTRUCTURE

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THREAT ASSESSMENT

Overall Risk Score: 25/100 (LOW)

Threat Indicators:

• Blacklist Count: 0
• Abuse Confidence Score: None
• Known Attacker: No
• Tor Exit Node: No
• Spam Source: No
• Threat Persistence: 0 days
• Persistently Malicious: No

Campaign Correlation: None detected

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NETWORK ROLE & SERVICES

Operating Services:

• Port 80/TCP: HTTP
• Port 443/TCP: HTTPS
• Server Banner: Varnish

TLS Certificate Analysis:

• Issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
• Subject: *.reddit.com, Reddit, Inc.
• Valid Certificate: Yes (not self-signed)
• Hosted Domains: reddit.com, *.reddit.com

Email Authentication:

• SPF: Configured
• DMARC: Configured

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GEOLOCATION DATA

*Note: Geographic discrepancy indicates CDN anycast routing; observed RTT suggests proximity to North American edge locations.*

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NEIGHBORHOOD ANALYSIS (151.101.1.0/24)

• Abuse Density: 0% (Clean)
• Total Siblings: 1
• Active Siblings: 0
• Threat Siblings: 0
• Classification: Clean
• Inherited Risk: 0

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OBSERVATION HISTORY

Signal Count: 20 observations

Recent Activity (2026-08-06):

• HTTP/2 enabled
• Status Code: 421 (Misdirected Request)
• HTTP Security Headers: HSTS not present
• Content Security Policy: Not configured
• Cache Status: Mixed (X-Cache headers variable)
• Response Time: 67ms TTFT

Temporal Analysis:

• Ownership Changes: 0
• Threat Observation Count: 0
• GeoValidation Violations: RTT discrepancy detected

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RELATIONSHIP GRAPH

All 7 detected relationships map to same network (SKYCA-3). No external entity associations detected (no certificates, hostnames, or organization links beyond parent network).

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SECURITY RECOMMENDATIONS

Action Level: MONITOR / LOW PRIORITY

1. Traffic Allowance: No blocking required. Standard CDN traffic pattern.

2. Firewall Rules: None generated (risk score < 50 threshold)

3. Monitoring Priority: Standard CDN baseline monitoring

4. Reputation: Maintain baseline trust for Fastly CDN endpoints

Note: This IP represents standard CDN infrastructure serving Reddit.com properties. Legitimate traffic patterns expected. No defensive action required unless traffic behavior deviates from established CDN baselines.

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END OF BRIEFING

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