136.70.144.158📋 Copy

## THREAT INTELLIGENCE BRIEFING

IP Address: 136.70.144.158/32

Date: August 6, 2026

Classification: Low Risk / Legitimate Infrastructure

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EXECUTIVE SUMMARY

IP 136.70.144.158 is a low-risk Google Cloud infrastructure address (ASN 396982, GOOGL-2 network) with minimal threat indicators. The address resolves to Google's content delivery infrastructure and shows consistent legitimate ownership patterns. No active malicious campaigns, attacker signatures, or abuse patterns detected.

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RISK ASSESSMENT

Overall Risk Score: 25/100 (Low Risk)

Provider Score: 0/100

Authority Score: 0/100

Operator Score: 0.3478 (Basic Classification)

Key Risk Indicators:

• Risk Score of 25 indicates minimal threat probability
• Single DNSBL listing detected (1 of 8 total lists)
• No known campaigns, attacker IPs, or spam source associations
• No open services detected (firewalled/no services)

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OWNERSHIP & ATTRIBUTION

Network Role: Google Cloud provider infrastructure

Classification: Cloud infrastructure (not CDN/VPN/proxy)

Infrastructure Type: Unknown (no open ports detected)

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GEOLOCATION DATA

*Note: Historical observations show minor coordinate variance between Virginia and California records, consistent with Google's distributed infrastructure.*

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OBSERVATION HISTORY

Total Observations: 19 signals

Time Range: Recent activity observed through August 2026

Signal Timeline:

• 2026-08-06 01:55:24 UTC: Ownership signal (confidence 0.85)
• 2026-08-06 01:54:54 UTC: Geolocation signal - Ashburn, VA (confidence 0.56)
• 2026-08-06 01:53:07 UTC: Organization/ASN signals - Google LLC, ARIN (confidence 0.90-0.95)
• 2026-08-06 01:52:51 UTC: Banner/campaign analysis - No matches

Threat Persistence: 0 days

Persistent Malicious: False

Ownership Changes: 0 (stable attribution)

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NETWORK RELATIONSHIPS

Direct Relationships: 3

DNS Configuration:

• PTR Hostname: 158.144.70.136.bc.googleusercontent.com
• Forward Resolution: Confirmed
• Email Auth: SPF and DMARC records present
• Hosted Domain: googleusercontent.com

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SUBNET NEIGHBORHOOD ANALYSIS

Subnet: 136.70.144.158/24

Abuse Density: 0%

Classification: Clean

Neighbor Count: 0 active siblings

Threat Siblings: 0

The /24 subnet shows minimal abuse activity with no adjacent IPs flagged for malicious behavior.

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THREAT INTELLIGENCE

Threat Indicators: None detected

Known Campaigns: None

Attacker Status: Not flagged as known attacker

Spam Source: Not flagged

Tor Exit Node: False

Proxy/VPN: False

Control Plane Data:

• Route Stability: False
• Route Changes (30d): 0
• DNSSEC: Valid
• IRR Consistency: N/A
• MoAS Status: False

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RECOMMENDED ACTIONS

Security Recommendations: None required

Firewall Rules: Not applicable (legitimate infrastructure)

Suggested Actions:

• Allow traffic (legitimate Google Cloud address)
• Monitor DNSBL listing for context (single listing detected)
• Standard logging recommended for compliance

Monitoring Priorities:

1. Verify purpose of DNSBL listing if blocking occurs

2. Monitor for service exposure changes

3. Track geolocation consistency

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INTELLIGENCE CONCLUSION

IP 136.70.144.158 is a legitimate Google Cloud infrastructure address with low-risk characteristics. The address shows stable ownership, consistent geolocation attribution, and no malicious activity indicators. The single DNSBL listing requires contextual investigation but does not indicate current malicious activity. SOC analysts may treat this IP as trusted infrastructure with standard monitoring practices.

Confidence Level: High

Recommended Action: Allow with standard logging

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