# IP Intelligence Briefing: 35.187.204.165/32
Classification: Cloud Infrastructure โ Legitimate Google Cloud Service
Risk Level: Moderate (Score: 50)
Date: Intelligence compiled from IPDebrief analysis
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## Executive Summary
IP address 35.187.204.165 is identified as a Google Cloud infrastructure endpoint operating from Tokyo, Japan. The IP demonstrates no malicious indicators despite a moderate risk classification driven primarily by DNSBL listings. No open services or active threat behaviors observed. Recommended action: Monitor; no blocking required.
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## Ownership & Infrastructure
| Attribute | Value |
|---|---|
| Organization | Google LLC |
| ASN | 396982 |
| Network | GOOGLE-CLOUD |
| CIDR Block | 35.184.0.0/13 |
| RIR | ARIN |
| Abuse Contact | Available via RDAP |
| DNS Hostname | 165.204.187.35.bc.googleusercontent.com |
Control Plane Analysis:
- Origin ASN: 396982
- BGP Prefix: 35.187.192.0/20
- Route Stability: False
- DNSSEC Valid: Yes
- DNSBL Status: Listed on 2 of 8 total blacklists
- Operator Score: 0.3478 (Basic)
---
## Geolocation
| Field | Value |
|---|---|
| Country | Japan (JP) |
| Region | Tokyo |
| City | Tokyo |
| Coordinates | 35.69°N, 139.69°E |
| Timezone | Asia/Tokyo |
| Geo Consensus | True |
| Geo Plausible | False |
Note: Geographic validation shows inconsistency (geo_plausible: false) with a distance variance of 9,212 km from expected location. This may indicate proxy usage or routing anomalies.
---
## Threat Assessment
Threat Indicators: None detected
- Known Attacker: False
- Spam Source: False
- Tor Exit Node: False
- Blacklist Count: 0 (despite 2 DNSBL listings)
- Known Campaigns: None
- Threat Feeds: Empty
Risk Breakdown:
- Risk Score: 50 (Moderate)
- Provider Score: 0
- Authority Score: 0
- Stability Score: 0
- Abuse Confidence: N/A
---
## Network Behavior & Services
| Metric | Status |
|---|---|
| Open Ports | None detected |
| TLS Certificate | None |
| HTTP Title | None |
| Service Purpose | Firewalled / No Services |
| Infrastructure Type | Unknown |
| Connection Type | N/A |
DNS Configuration:
- PTR Hostname: 165.204.187.35.bc.googleusercontent.com
- Forward Resolution: Confirmed (1 record)
- Forward Hostname: 165.204.187.35.bc.googleusercontent.com
- SPF: Present
- DMARC: Present
- TXT Records: 0
---
## Historical Observation Summary
Total Observations: 14 signals
Recent Activity (2026-08-06):
- 03:08:36 UTC: Geo probe (hop count: N/A, avg RTT: 175ms, jitter: 5.06ms)
- 03:07:56 UTC: Geolocation signal (Tokyo, Tokyo, Japan)
- 03:07:23 UTC: Organization registration (Google LLC, ARIN)
- 03:07:23 UTC: Network registration (ASN: N/A, CIDR: 35.184.0.0/13, US postal code: 94043)
- 03:06:27 UTC: Operator score assessment (Basic, score: 0.3478)
Temporal Indicators:
- Ownership Changes: 0
- Threat Persistence Days: 0
- Threat Observation Count: 0
- Persistently Malicious: False
---
## Relationship Graph
| Relationship Type | Target |
|---|---|
| DNS Association | 165.204.187.35.bc.googleusercontent.com |
| DNS Association | 165.204.187.35.bc.googleusercontent.com |
| Same Network | GOOGLE-CLOUD |
Note: Duplicate DNS entry indicates potential redundancy or load balancing configuration.
---
## Subnet Neighborhood Analysis
- Subnet: 35.187.204.165/24
- Neighbor Count: 0
- Abuse Density: 0
- High Risk Neighbors: 0
- Medium Risk Neighbors: 0
- Low Risk Neighbors: 0
- Threat Siblings: 0
- Active Siblings: 0
Assessment: No adjacent IPs within the /24 subnet exhibit threat characteristics.
---
## Recommended Actions
Based on the risk profile and observed behavior:
| Action | Priority | Justification |
|---|---|---|
| Monitor DNSBL listings | Medium | 2 of 8 DNSBL lists contain this IP |
| Block? | No | No active threat indicators detected |
| Allow traffic? | Yes | Legitimate Google Cloud infrastructure |
| Geo-validation required? | High | geo_plausible flag set to false |
Firewall Recommendations:
- No blocking rules required
- Consider geo-validation rules if strict location enforcement is needed
- Monitor for service enumeration attempts (no services currently exposed)
---
## Conclusion
IP 35.187.204.165 represents legitimate Google Cloud infrastructure with a moderate risk classification primarily driven by DNSBL listings rather than active malicious behavior. The IP shows no signs of exploitation, command-and-control activity, or anomalous network behavior. The geographic validation anomaly warrants monitoring but does not independently indicate compromise. SOC analysts may treat this IP as trusted infrastructure with routine monitoring protocols.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Google LLC |
| ASN | AS396982 |
| Network Name | GOOGLE-CLOUD |
| CIDR Block | 35.184.0.0/13 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | 165.204.187.35.bc.googleusercontent.com |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | 165.204.187.35.bc.googleusercontent.com |
๐ DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
โ๏ธ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Single-Service Host |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 22 | ssh | tcp | |
| Closed Ports | 25, 80, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | โ |
| HTTP Title | โ |
| SSH Version | SSH-2.0-OpenSSH_9.6p1 Ubuntu-3ubuntu13.18 |
๐ TLS Certificate
| SANs | None |
| Valid From | โ |
| Valid Until | โ |
๐ฏ Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 40% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 28% | 10 | 14 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-08-01 16:33:40 UTC |
| Last Seen | 2026-08-13 03:01:22 UTC |
| Profile Built | 2026-08-13 03:15:38 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 22 |
Full dossier details are available via our API.