34.21.121.177📋 Copy

INTELLIGENCE BRIEFING: IP 34.21.121.177/32

Classification: LOW RISK / MONITOR

Date: 2026-08-13

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EXECUTIVE SUMMARY

IP 34.21.121.177 is a Google Cloud infrastructure address with an overall risk score of 25 (Low Risk). The IP operates within Google's cloud computing environment in Ashburn, Virginia and exhibits characteristics consistent with legitimate cloud hosting services. No active malicious campaigns or persistent threats were observed.

OWNERSHIP & GEOLOCATION

• Organization: Google LLC (ASN 396982)
• Network: GOOGL-2, CIDR Block 34.4.5.0/24
• Location: Ashburn, VA, US (39.04°N, -77.49°W)
• Infrastructure Type: CloudCompute (Google Cloud)
• Classification: Cloud provider, hosting infrastructure

NETWORK BEHAVIOR & SERVICES

• Open Ports: None detected (firewalled/no services exposed)
• DNS: Resolves to 177.121.21.34.bc.googleusercontent.com
• PTR Record: 177.121.21.34.bc.googleusercontent.com
• Forward Resolution: Confirmed (googleusercontent.com)
• HTTP/HTTPS: No active web services detected

THREAT INDICATORS

• Abuse Confidence Score: Not applicable
• Known Attacker: No
• Spam Source: No
• Tor Exit Node: No
• Blacklist Count: 0
• Threat Feeds: None

Note: One DNSBL listing detected (1 of 8 total lists), categorized as high severity but isolated to DNS-based filtering systems.

SUBNET ANALYSIS

• Subnet: 34.21.121.177/24
• Abuse Density: 0%
• Classification: Clean
• Active Siblings: 0
• Threat Siblings: 0
• Risk Distribution: No high or medium risk neighbors

OBSERVATION HISTORY

• Total Observations: 16
• Recent Classification: Clean subnet with 0 inherited risk
• Operator Score: 0.3478 (Basic classification)
• Threat Persistence: No persistent malicious activity observed
• Ownership Changes: 0
• Route Stability: Route changes detected (isRouteStable: false)

RELATIONSHIPS

• DNS Associations: 177.121.21.34.bc.googleusercontent.com
• Network Associations: GOOGL-2 (34.4.5.0/24)
• Organization: Google LLC

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ASSESSMENT

IP 34.21.121.177 represents standard Google Cloud infrastructure with no evidence of malicious activity. The single DNSBL listing is likely a false positive or routine filtering artifact. The subnet demonstrates clean abuse density with no correlated threats.

RECOMMENDATIONS

1. Allow - No firewall blocking required for legitimate Google Cloud traffic

2. Monitor - Continue standard logging for cloud infrastructure baseline

3. No Action - No immediate blocking or investigation warranted

4. Context: Traffic from this IP is consistent with Google Cloud service delivery

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Analyst Notes: This IP should be treated as trusted cloud infrastructure. Any anomalous behavior from this address would warrant investigation, but the IP itself does not require proactive blocking or alerting.

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