216.73.163.194 is an IPv4 address operated by Prefixx, Inc. (AS206092), geolocated to San Francisco, United States. As of October 7, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
INTELLIGENCE BRIEFING: IP 216.73.163.194/32
Classification: LOW RISK / VPN PROVIDER INFRASTRUCTURE
Date: Current Intelligence Cycle
Analyst: IPDebrief Intelligence Team
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EXECUTIVE SUMMARY
IP address 216.73.163.194 operates within a low-risk profile (risk score: 25/100) associated with Prefixx, Inc., a VPN service provider. The address exhibits minimal threat indicators with no active service exposure, though historical data includes isolated threat signal detections from external feeds.
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OWNERSHIP AND NETWORK CONTEXT
- Organization: Prefixx, Inc. (AS206092)
- Network Name: PFX-EXPRESSVPN
- CIDR Block: 216.73.160.0/22
- Geolocation: San Francisco, California, US (ARIN RIR)
- Network Role: Infrastructure (Firewalled / No Services)
The IP belongs to a /24 subnet (216.73.163.0/24) containing 81 total addresses. Neighborhood analysis indicates minimal abuse density with 80 low-risk and 1 medium-risk IP (216.73.163.2, risk score: 60). No high-risk neighbors detected.
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THREAT ASSESSMENT
Current Risk Profile:
- Reputation: Low Risk
- Risk Score: 25/100
- Blacklist Status: 1 DNSBL listing (out of 8 total lists)
- Known Attacker: No
- Spam Source: No
- Tor Exit Node: No
Threat Indicators: None currently active in primary threat feeds. Pulsedive risk assessment unavailable.
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NETWORK BEHAVIOR AND SERVICES
Service Exposure: None detected
- Open ports: None
- TLS Certificate: None
- HTTP Title/Server Banner: None
- DNS PTR Resolution: Not configured
- Forward Resolution: No DNS records
Network Classification:
- Not identified as CDN, Cloud, Proxy, Hosting, Mobile, or Residential infrastructure
- Connection type: Undetermined
- Anycast: No
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OBSERVATION HISTORY
Total Observations: 13 signals recorded
Recent Activity (July 27, 2026):
- Threat Signal Detected: AlienVault OTX identified threat presence with 6 pulse indicators (signal confidence: 0.85)
- Operator Score: 0.1304 (labeled as "Minimal")
- Geolocation Consensus: US (confidence: 0.35, accuracy radius: 2500 km)
Temporal Analysis:
- Ownership changes: None recorded
- Threat persistence: None
- Threat observation count: 0
- Persistently malicious: No
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RELATIONSHIP MAPPING
Three network relationships identified, all pointing to the same network entity:
- Same Network: PFX-EXPRESSVPN (×3 entries)
No associations detected with external hostnames, organizations, or SSL certificates.
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CONTROL PLANE ANALYSIS
- Route Stability: Not stable
- BGP Prefix: 216.73.163.0/24
- Route Changes (30d): 0
- RPKI State: Unavailable
- DNSSEC: Valid
- DNSBL Listings: 1 of 8 lists
- Hop Count: 11 hops to final destination
- Transit Networks: Comcast
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SECURITY RECOMMENDATIONS
Current Action Level: MONITOR
No immediate blocking or mitigation actions required based on current risk profile.
Recommended Actions:
1. Allow with Monitoring: Traffic from this IP may be permitted with logging enabled
2. VPN Traffic Recognition: Expect potential VPN/connection establishment patterns
3. No Immediate Blocking: Risk score (25) does not warrant automatic drop rules
4. Contextual Analysis: Correlate with organizational VPN traffic baselines
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INTELLIGENCE GAP ANALYSIS
Data Quality Notes:
- Some geolocation fields contain null values despite location consensus
- Limited historical data for temporal trend analysis
- No service scanning data available (ports closed or filtered)
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CONCLUSION
IP 216.73.163.194 represents standard VPN provider infrastructure with low-risk characteristics. While isolated threat signals appear in external feeds (AlienVault OTX), no active malicious behavior is currently confirmed. The IP should be permitted with monitoring and correlated against known VPN traffic patterns. No immediate defensive action required.
Confidence Level: MEDIUM (based on limited service data availability)
Next Review: Standard 7-day cycle or upon threat signal escalation
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*Report generated by IPDebrief Intelligence Platform*
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Prefixx, Inc. |
| ASN | AS206092 |
| Network Name | PFX-EXPRESSVPN |
| CIDR Block | 216.73.160.0/22 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS206092 |
| Network Prefix | 216.73.163.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 20% | 5 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-13 21:32:25 UTC |
| Last Seen | 2026-10-07 11:57:39 UTC |
| Profile Built | 2026-10-07 12:01:29 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 24 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 216.73.163.194
Who owns the IP address 216.73.163.194?
216.73.163.194 is registered to Prefixx, Inc.. The address falls within the 216.73.160.0/22 network block. Registration is held at ARIN.
Where is 216.73.163.194 located?
Geolocation data places 216.73.163.194 in San Francisco, CA, United States. The local time zone is America/Los_Angeles. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 216.73.163.194 malicious or safe?
216.73.163.194 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.