34.21.231.121
# IP Intelligence Briefing: 34.21.231.121/32
Classification: LOW RISK — Legitimate Cloud Infrastructure
Date: 2026-06-21
Analysis Period: Current observations
---
## Executive Summary
IP address 34.21.231.121 is identified as Google Cloud infrastructure with a risk score of 0. No threat indicators, blacklist listings, or malicious activity observed. The IP represents a legitimate cloud compute resource in Singapore with proper security configurations. No blocking or filtering actions recommended.
---
## Ownership and Attribution
| Attribute | Value |
|---|---|
| Organization | Google LLC |
| ASN | 396982 |
| Network Name | GOOGL-2 |
| CIDR Block | 34.21.128.0/17 |
| Registration Authority | ARIN |
| Infrastructure Type | Cloud Compute |
| Cloud Provider | Google Cloud Platform |
---
## Geolocation
| Attribute | Value |
|---|---|
| Country | Singapore (SG) |
| City | Singapore |
| Coordinates | 1.35°N, 103.82°E |
| Timezone | Asia/Singapore |
| Geo Validation | Plausible (8 sources) |
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## Network Classification
| Attribute | Value |
|---|---|
| Reputation | Low Risk |
| Is Cloud | Yes |
| Is CDN | No |
| Is VPN | No |
| Is Proxy | No |
| Is Hosting | Yes |
| Is Residential | No |
| Is Bogon | No |
| Anycast | No |
---
## Threat Indicators
| Attribute | Value |
|---|---|
| Risk Score | 0 |
| Blacklist Count | 0 |
| Tor Exit Node | No |
| Known Attacker | No |
| Spam Source | No |
| Active Threat Feeds | None |
| Known Campaigns | None |
---
## DNS and Hostname Resolution
| Attribute | Value |
|---|---|
| Reverse DNS | 121.231.21.34.bc.googleusercontent.com |
| Forward Resolution | Confirmed |
| Hosted Domain | googleusercontent.com |
| SPF Record | Present (include:_spf.google.com ?all) |
| DMARC Record | Present (p=none) |
| TXT Records | 1 |
| DNSSEC Valid | Yes |
| CAA Records | Present |
---
## Service and Port Analysis
| Attribute | Value |
|---|---|
| Open Ports | None detected |
| HTTP Status Code | 403 (Forbidden) |
| HTTP Version | 2.0 |
| TLS Certificate | None |
| Server Banner | None |
| Service Purpose | Firewalled / No Services |
---
## Neighborhood Analysis (Subnet: 34.21.231.0/24)
| Metric | Value |
|---|---|
| Total Siblings | 1 |
| Active Siblings | 1 |
| Threat Siblings | 0 |
| Abuse Density | 0 (Clean) |
| Subnet Classification | Clean |
---
## Historical Observations
Total Observations: 22
Threat Persistence Days: 0
Ownership Changes: 0
Recent Signal Status: Stable
Recent observations indicate consistent behavior with no escalation in threat activity. HTTP responses consistently return 403 status codes with no service exposure.
---
## Relationship Graph
Total Relationships: 33
Primary Associations:
- DNS: 121.231.21.34.bc.googleusercontent.com
- Network: GOOGL-2 (Same Network)
- Certificate associations: None detected
- Organization links: Google LLC
---
## Recommended Security Actions
| Action | Recommendation |
|---|---|
| Firewall Rules | Not required |
| WAF Configuration | Not required |
| Blocking | Not recommended |
| Monitoring | Standard monitoring adequate |
---
## Intelligence Assessment
This IP address represents legitimate Google Cloud infrastructure with no evidence of malicious activity. The absence of open services, zero blacklist listings, and clean neighborhood metrics indicate normal cloud compute usage. DNSSEC validation and proper SPF/DMARC configurations demonstrate adherence to security best practices. No defensive actions are warranted at this time.
Confidence Level: HIGH
Last Updated: 2026-06-21
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Google LLC |
| ASN | AS396982 |
| Network Name | GOOGL-2 |
| CIDR Block | 34.4.5.0/24 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 121.231.21.34.bc.googleusercontent.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 121.231.21.34.bc.googleusercontent.com |
🔐 DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
☁️ Network Classification
| Infrastructure | Infrastructure / Datacenter |
| Service Purpose | Firewalled / No Services |
| Network Tier | Hosting — Infrastructure provider without advanced routing |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 3 |
| routing | 8% | 1 | 1 |
| services | 30% | 2 | 3 |
| ownership | 27% | 2 | 3 |
| reputation | 18% | 1 | 2 |
| geolocation | 21% | 2 | 2 |
| Overall | 23% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-27 07:17:38 UTC |
| Last Seen | 2026-06-29 04:02:15 UTC |
| Profile Built | 2026-06-29 10:04:54 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.