34.156.28.139📋 Copy

# IP Intelligence Briefing: 34.156.28.139/32

## Executive Summary

IP address 34.156.28.139 is identified as a Google Cloud infrastructure endpoint with a moderate risk score of 50. The IP is associated with organization Google LLC (ASN 396982) and operates within the 34.128.0.0/10 CIDR block. Current classification indicates no active services or open ports, with the IP described as "Firewalled / No Services."

## Ownership and Infrastructure

• Organization: Google LLC
• ASN: 396982 (GOOGL-2 network)
• Geolocation: Brussels, Belgium (BE) – 2,500km accuracy radius
• Network Classification: Google Cloud infrastructure
• DNS Resolution: 139.28.156.34.bc.googleusercontent.com (googleusercontent.com)

## Threat Assessment

• Overall Risk Score: 50 (Moderate Risk)
• Blacklist Status: Listed on 2 of 8 DNSBLs with maximum severity "high"
• Known Threat Indicators: None (not flagged as Tor exit, known attacker, spam source, or VPN/proxy)
• Campaign Association: No correlated campaigns detected
• Service Exposure: No open ports detected; HTTP/TLS services not accessible

## Historical Signals (16 Observations)

Recent observation history from July 30, 2026 shows:

• Geolocation signals inconsistent (US coordinates detected with 35% confidence despite Belgian registration)
• Subnet classification stable as "clean" with abuse density of 0
• No ownership changes or persistent malicious behavior patterns
• Threat observation count: 0
• Is not persistently malicious

## Network Neighborhood

Subnet 34.156.28.139/24 analysis reveals:

• Abuse Density: 0%
• Classification: Clean
• Active/Threat Siblings: 0/0
• Total Siblings: 1
• No neighboring IPs identified with elevated risk

## Relationships

• Network Association: GOOGL-2 (Google network)
• DNS Associations: 139.28.156.34.bc.googleusercontent.com
• No organization or certificate relationships beyond primary network association

## Recommended Actions

Based on risk profile (score 50), the following firewall rules are recommended:

iptables:

```

iptables -A INPUT -s 34.156.28.139 -j DROP

```

nftables:

```

nft add rule inet filter input ip saddr 34.156.28.139 drop

```

nginx:

```

deny 34.156.28.139;

```

Cloudflare WAF:

```json

{"description":"Block 34.156.28.139 — IPDebrief risk score 50","action":"block","filter":{"expression":"ip.src eq 34.156.28.139"}}

```

AWS WAF:

```json

{"Addresses":["34.156.28.139/32"],"Description":"IPDebrief risk 50"}

```

## Analyst Notes

This IP represents Google Cloud infrastructure with moderate risk classification. The lack of open services and clean subnet neighborhood suggests legitimate cloud endpoint activity. However, the presence of DNSBL listings (2 out of 8 lists) warrants monitoring. The IP should be blocked at perimeter defenses as a precautionary measure, particularly for inbound traffic. SOC teams should verify any observed traffic from this IP against legitimate Google Cloud service patterns before allowing through.

*Report generated: 2026-07-30*

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