136.67.66.171📋 Copy

# INTELLIGENCE BRIEFING: 136.67.66.171/32

Classification: LOW RISK

Date: 2026-08-05

Analyst: IPDebrief Intelligence Unit

Clearance: SOC Analyst Distribution

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## EXECUTIVE SUMMARY

IP address 136.67.66.171 is a legitimate Google Cloud Platform infrastructure endpoint with no observed malicious activity. The IP demonstrates a risk score of 0 and operates within a clean subnet with zero abuse density. No immediate threat response actions are recommended based on current intelligence.

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## PROFILE DATA

Ownership & Network Attribution:

• Organization: Google LLC
• ASN: 396982 (GOOGLE-CLOUD-PLATFORM)
• Network Block: 136.64.0.0/11 (GOOGL-2)
• RIR: ARIN
• Classification: CloudCompute infrastructure

Geolocation:

• Country: United States (US)
• Region: Oregon (OR)
• City: The Dalles
• Coordinates: 45.6°N, -121.18°W

Reputation Metrics:

• Overall Risk Score: 0
• Provider Score: 0
• Authority Score: 0
• Stability Score: 0
• Blacklist Count: 0

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## THREAT INDICATORS

No Malicious Indicators Detected:

• Known Attacker: False
• Spam Source: False
• Tor Exit Node: False
• Known Campaigns: None
• Pulsedive Risk: Not applicable
• Threat Feeds: Empty

DNS & Email Authentication:

• PTR Hostname: 171.66.67.136.bc.googleusercontent.com
• Domain: googleusercontent.com
• SPF: Configured
• DMARC: Configured
• Forward Resolution: Confirmed

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## NETWORK BEHAVIOR

Infrastructure Type: CloudCompute (Google Cloud)

Services: Firewalled / No Services Open

Connection Type: Cloud infrastructure (non-residential, non-mobile)

CDN/Proxy/VPN: Not applicable

AnyCast: No

Bogon: No

Control Plane Status:

• Route Stability: False
• RPKI State: Not evaluated
• DNSSEC: Valid
• DNSBL Listed: 0 of 8 checks

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## NEIGHBORHOOD ANALYSIS

Subnet: 136.67.66.171/24

• Abuse Density: 0
• Classification: CLEAN
• Threat Siblings: 0
• Active Siblings: 1
• High/Medium/Low Risk Distribution: 0/0/0

The /24 subnet shows no evidence of coordinated abuse or malicious activity.

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## OBSERVATION HISTORY

Total Signals Observed: 23

Recent Activity (2026-08-05):

• ASN resolution confirmed (ASN 396982)
• Geolocation inference consistent (The Dalles, OR, US)
• Cloud infrastructure classification confirmed
• Operator score: 0.3478 (Basic)
• No threat list matches
• No spam source indicators

Temporal Analysis:

• Ownership Changes: 0
• Threat Persistence Days: 0
• Threat Observation Count: 0
• Persistently Malicious: False

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## RELATIONSHIP MAPPING

Identified Associations:

• DNS Association: 171.66.67.136.bc.googleusercontent.com
• Network Association: GOOGL-2 (136.64.0.0/11)
• 15 total relationship records (DNS and network associations)

All relationships confirm legitimate Google Cloud infrastructure connectivity.

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## RECOMMENDED ACTIONS

Security Actions: No recommendations generated.

Firewall Rules: Not required based on current risk profile.

Rationale: Risk score of 0 with no threat indicators indicates this is legitimate cloud infrastructure. No blocking or mitigation actions are warranted.

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## INTELLIGENCE ASSESSMENT

This IP address represents standard Google Cloud Platform infrastructure with no malicious indicators. The IP is part of a clean subnet with zero abuse density and demonstrates consistent, stable ownership under Google LLC. Historical data shows no escalation of threat activity.

SOC Analyst Note: Traffic from this IP should be permitted for legitimate business operations. No threat hunting or investigation actions are indicated at this time.

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END OF BRIEFING

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