# IP Intelligence Briefing: 34.74.106.51
Date: 2026-06-21
Classification: MODERATE RISK (Score: 50)
Analyst: Automated Intelligence System
---
## EXECUTIVE SUMMARY
IP address 34.74.106.51 is associated with Google Cloud infrastructure (ASN 396982, GOOGL-2) with a moderate risk score of 50. The IP resolves to Google Cloud infrastructure hostname (51.106.74.34.bc.googleusercontent.com), shows no active services, and exists in a clean neighborhood with zero abuse density. Despite the moderate risk classification, no active threat indicators or malicious campaigns were identified.
---
## OWNERSHIP & INFRASTRUCTURE
- Organization: Google LLC
- Network: GOOGL-2 (34.64.0.0/10)
- ASN: 396982
- Geolocation: United States (South Carolina region)
- Infrastructure Type: Google Cloud Platform
- Registration: RIR: ARIN
---
## THREAT ASSESSMENT
Risk Score: 50 (Moderate Risk)
Threat Indicators:
- Blacklist Count: 0
- Known Attacker: False
- Spam Source: False
- Tor Exit Node: False
- Known Campaigns: None
- Threat Persistence Days: 0
DNSBL Status: Listed on 2 of 8 total DNSBLs (dnsblListedCount: 2)
Operator Score: 0.3478 (Basic classification)
Control Plane:
- BGP Prefix: 34.74.96.0/20
- Route Stability: False
- Route Changes (30d): 0
- DNSSEC Valid: True
- RPKI State: Not validated
---
## NETWORK BEHAVIOR
Services Status: Firewalled / No Services
- Open Ports: None detected
- TLS Certificate: None
- HTTP Title: None
DNS Resolution:
- PTR Hostname: 51.106.74.34.bc.googleusercontent.com
- Forward Resolution: Confirmed
- Forward Hostnames: 51.106.74.34.bc.googleusercontent.com
- Email Auth: SPF and DMARC records present
Traceroute:
- Hop Count: 11
- First Hop RTT: 0.2ms
- Last Hop RTT: 42.5ms
- Timed Out Hops: 2
- Transit Networks: Comcast
---
## NEIGHBORHOOD ANALYSIS
Subnet: 34.74.106.51/24
- Abuse Density: 0 (Clean)
- Classification: Clean
- Active Siblings: 0
- Threat Siblings: 0
- Total Siblings: 1
No neighboring IPs show malicious activity, indicating this IP does not belong to a coordinated abuse cluster.
---
## OBSERVATION HISTORY
Total Observations: 20
Most Recent: 2026-06-21T23:19:49 UTC
Temporal Indicators:
- Ownership Changes: 0
- Threat Observation Count: 0
- Persistently Malicious: False
Recent observations show stable operator scoring with no escalation in threat signals over time.
---
## RELATIONSHIPS
All 14 relationship entries map to:
- DNS Association: 51.106.74.34.bc.googleusercontent.com
- Same Network: GOOGL-2 (Google LLC)
No external organization or hostname associations detected beyond Google infrastructure.
---
## SECURITY RECOMMENDATIONS
Risk-Based Actions:
- No specific security recommendations generated (empty recommendations list)
- IP listed on multiple DNSBLs warrants monitoring
- Moderate risk score suggests cautious handling
Firewall Rules (if blocking required):
- iptables: `iptables -A INPUT -s 34.74.106.51 -j DROP`
- nftables: `nft add rule inet filter input ip saddr 34.74.106.51 drop`
- Cloudflare WAF: Block with expression `ip.src eq 34.74.106.51`
- AWS WAF: Add `34.74.106.51/32` to block list
Note: These recommendations are probabilistic and should be combined with other signals before taking action.
---
## INTELLIGENCE NARRATIVE
IP 34.74.106.51 presents a moderate risk profile primarily due to DNSBL listings (2 of 8), despite being associated with legitimate Google Cloud infrastructure. The IP shows no evidence of active malicious behavior, open services, or campaign involvement. The clean neighborhood analysis and absence of threat persistence indicators suggest this may be a false positive from DNSBL providers or a legitimate service endpoint flagged due to automated scanning activity.
Recommended Actions:
1. Monitor for increased blacklist additions
2. Evaluate context of connection attempts (legitimate vs. suspicious)
3. Consider allowing if traffic patterns appear normal for Google infrastructure
4. No immediate blocking required unless additional threat intelligence emerges
---
Data Sources: IPDebrief Intelligence Platform
Confidence Level: High (based on comprehensive multi-signal analysis)
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
π’ 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 |
π DNS Intelligence
| PTR | 51.106.74.34.bc.googleusercontent.com |
| Forward Confirmed | Yes β FCrDNS verified |
| Forward Hostnames | 51.106.74.34.bc.googleusercontent.com |
π DNS Hygiene
| Hygiene Score | 100% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Present |
βοΈ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 β Basic operator with some routing infrastructure |
π 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 | β |
| HTTP Title | β |
π TLS Certificate
| SANs | None |
| Valid From | β |
| Valid Until | β |
π― Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 17% | 1 | 1 |
| Overall | 24% | 9 | 12 |
| Data Coherence | Mostly Consistent (85%) β 1 contradiction(s) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
π Observation Timeline π Live
| First Seen | 2026-06-15 11:54:55 UTC |
| Last Seen | 2026-06-21 23:19:44 UTC |
| Profile Built | 2026-06-21 23:28:17 UTC |
| Data Freshness | Live |
| Signal Types | 20 |
| Total Observations | 21 |
Full dossier details are available via our API.