136.66.220.161📋 Copy

# IP Intelligence Briefing: 136.66.220.161

Classification: Low Risk — Google Cloud Infrastructure

Date: August 2026

Analyst: IPDebrief Intelligence Team

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## Executive Summary

IP 136.66.220.161 resolves to Google Cloud infrastructure in The Dalles, Oregon. The address exhibits a risk score of 0 with no active threat indicators. The IP is assigned to ASN 396982 (Google LLC) within the 136.64.0.0/11 CIDR block, operating as a cloud compute resource.

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## Infrastructure Profile

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## Threat Assessment

• Overall Risk Score: 0 (Low Risk)
• Provider Score: 0
• Authority Score: 0
• Blacklist Count: 0
• Tor Exit Node: No
• Known Attacker: No
• Spam Source: No
• Open Ports: None detected
• HTTP Services: None detected

The IP shows no evidence of malicious activity. Network classification flags indicate cloud hosting infrastructure with no services exposed.

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## Control Plane & Routing

• BGP Prefix: 136.66.0.0/15
• Route Stability: Stable (0 changes in 30 days)
• RPKI State: Validated
• DNSSEC: Valid
• Operator Score: 0.3478 (Basic)

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## Neighborhood Analysis

The /24 subnet (136.66.220.0/24) shows minimal abuse activity:

A single neighbor IP (136.66.220.170) was identified with a risk score of 25 and authority score of 90.

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## Observation History

Analysis of 25 signal observations reveals:

• Geolocation: Consistent reporting of The Dalles, OR (confidence 0.56)
• DNS Listings: 8 DNSBL listings detected, with 1 high-severity listing as of 2026-08-12
• Operator Classification: Basic (score 0.3478)
• Threat Persistence: None observed
• Campaign Correlation: No matching campaigns or banner signatures

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## Recommendations

1. Traffic Allowance: Permit inbound traffic — IP is legitimate Google Cloud infrastructure with no threat indicators.

2. Neighbor Monitoring: Monitor 136.66.220.170 (risk score 25) for elevated activity within the same subnet.

3. DNS Validation: No action required — reverse DNS and forward resolution confirmed valid.

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Status: No blocking recommended. IP is authorized cloud infrastructure.

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