IP INTELLIGENCE BRIEFING: 34.81.21.15/32
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EXECUTIVE SUMMARY
Target IP 34.81.21.15 is a Google Cloud infrastructure asset with low-risk profile (Risk Score: 25). No active threat indicators detected. Recommended for whitelist consideration with standard monitoring.
OWNERSHIP & NETWORK ATTRIBUTES
- Organization: Google LLC (ASN 396982)
- Network: GOOGL-2, CIDR Block: 34.64.0.0/10
- Infrastructure Type: Google Cloud Platform
- Geolocation: Changhua, Taiwan (TW) / 24.05, 120.55
- RIR: ARIN
- Contact: abuse via RDAP or google-cloud-compliance@google.com
THREAT ASSESSMENT
- Risk Score: 25 (Low Risk)
- Abuse Confidence: Not applicable (legitimate cloud infrastructure)
- Blacklist Status: 0/0 entries
- Known Campaigns: None
- Tor Exit/Attacker/Spam Source: Negative
- Threat Observation Count: 0
- Persistent Malicious Activity: False
SERVICE & PORT ANALYSIS
- Open Ports: None detected
- Service Classification: Firewalled / No Services
- TLS/HTTP Services: Not exposed
- DNS Resolution: 15.21.81.34.bc.googleusercontent.com (Forward confirmed)
CONTROL PLANE & ROUTING
- BGP Prefix: 34.81.16.0/20
- Route Stability: False (minor fluctuations observed)
- DNSSEC Valid: Yes
- DNSBL Listings: 1 of 8 total lists
- Operator Score: 0.3478 (Basic classification)
OBSERVATION HISTORY (18 TOTAL OBSERVATIONS)
- Ownership: Consistent Google LLC assignment
- Geolocation: Mixed signals (US/CA and TW) โ common for Google Cloud
- Malicious Behavior: None detected
- Campaign Likelihood: None
- Threat Persistence: 0 days
NETWORK RELATIONSHIPS
- DNS Associations: Multiple entries for bc.googleusercontent.com
- Network Relationships: GOOGL-2 (Same network)
- No external threat correlations identified
- Certificate Matches: 0
NEIGHBORHOOD ANALYSIS (34.81.21.0/24)
- Total Siblings: 0
- Active Siblings: 0
- Threat Siblings: 0
- Abuse Density: 0
- No adjacent risk indicators detected
FINGERPRINTING & BEHAVIORAL
- Honeypot Hits: 0
- HTTP Security Headers: None detected
- Traceroute: 11 hops, final hop via Comcast
- RTT Metrics: 0.1ms (first hop), 206.9ms (last hop)
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RECOMMENDATIONS FOR SOC ANALYSTS
1. Classification: Classify as LOW RISK / BENIGN
2. Action: No blocking required. Consider whitelisting if associated with legitimate Google Cloud services
3. Monitoring: Standard traffic observation sufficient; no enhanced monitoring needed
4. Firewall Rules: No specific deny rules recommended
5. Escalation: None required โ profile consistent with legitimate cloud infrastructure
INTELLIGENCE NOTE
This IP operates within Google's managed cloud infrastructure (GOOGL-2). The firewalled/no-services state is typical for internal or backend Google Cloud resources. Route instability is minor and does not indicate malicious activity. No historical or current threat indicators present. Treat as legitimate unless additional context suggests otherwise.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
๐ข Ownership & Registration
| Organization | Google LLC |
| ASN | AS396982 |
| Network Name | GOOGL-2 |
| CIDR Block | 34.64.0.0/10 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
๐ DNS Intelligence
| PTR | 15.21.81.34.bc.googleusercontent.com |
| Forward Confirmed | Yes โ FCrDNS verified |
| Forward Hostnames | 15.21.81.34.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 | Firewalled / No Services |
| Network Tier | Tier 3 โ Basic operator with some routing infrastructure |
๐ 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 | โ |
| HTTP Title | โ |
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 | 42% | 2 | 5 |
| routing | 27% | 2 | 3 |
| services | 19% | 2 | 2 |
| ownership | 32% | 3 | 4 |
| reputation | 28% | 1 | 3 |
| geolocation | 27% | 2 | 2 |
| Overall | 29% | 12 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
๐ Observation Timeline ๐ Live
| First Seen | 2026-07-25 08:45:28 UTC |
| Last Seen | 2026-08-12 19:33:16 UTC |
| Profile Built | 2026-08-12 19:43:19 UTC |
| Data Freshness | Live |
| Signal Types | 27 |
| Total Observations | 27 |
Full dossier details are available via our API.