216.73.163.22 is an IPv4 address operated by Prefixx, Inc. (AS206092), geolocated to San Francisco, United States. As of October 6, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
# IP Intelligence Briefing: 216.73.163.22/32
## Executive Summary
IP address 216.73.163.22 is a low-risk address associated with Prefixx, Inc. (ASN 206092), operating under the PFX-EXPRESSVPN network designation. The address demonstrates minimal threat activity with a risk score of 20 and no current threat indicators. Geolocation validation shows discrepancies that warrant monitoring.
## Ownership and Network Context
- Organization: Prefixx, Inc. (PFX-EXPRESSVPN)
- ASN: 206092
- CIDR Block: 216.73.160.0/22
- RIR: ARIN
- Service Purpose: Firewalled / No Services
## Threat Assessment
- Overall Risk Score: 20 (Low Risk)
- Abuse Confidence Score: Not applicable
- Blacklist Count: 0 active listings
- Threat Indicators: None detected
- Known Campaigns: None associated
- DNSBL Total Lists: 8 (historical)
## Network Behavior and Infrastructure
- Open Ports: None detected
- TLS Certificate: Not present
- DNS PTR Records: None
- Forward Resolution: Not confirmed
- Route Stability: False (network routing changes detected)
- BGP Prefix: 216.73.163.0/24
## Geolocation Analysis
- Reported Location: San Francisco, California, US
- Geolocation Plausibility: False (flagged implausible)
- Distance Discrepancy: 8,865.6km from claimed coordinates
- Minimum Possible RTT: 177.3ms (observed: 83.0ms)
- Assessment: Geolocation data is unreliable; distance measurements indicate data inconsistency
## Neighborhood Analysis
- Subnet: 216.73.163.22/24
- Total Neighbors: 82
- Abuse Density: 0.0244 (classified as "clean")
- Active Siblings: 26
- Threat Siblings: 2
- Risk Distribution: 0 high-risk, 1 medium-risk (216.73.163.2, score 60), 80 low-risk
## Observation History
- Total Observations: 17 signals recorded
- Recent Activity: Multiple observations dated 2026-07-28
- Threat Persistence: None detected
- Ownership Changes: 0 recorded
- Signal Types: RTT/geo validation, port scanning, network classification, subnet abuse density
## Relationship Graph
- Primary Association: PFX-EXPRESSVPN network (same network classification)
- Related Entities: No certificates, hostnames, or organizations beyond network classification
## Recommended Actions
No specific firewall rules or blocking recommendations generated based on current risk profile. The address demonstrates benign behavior with no actionable threat indicators.
## SOC Analyst Notes
- Monitor for changes in geolocation accuracy; implausible RTT measurements suggest potential misconfiguration or data quality issues
- Neighboring IP 216.73.163.2 presents elevated risk (score 60); review if correlation with target IP activity is warranted
- Route stability flag indicates network topology changes; verify if this impacts upstream filtering decisions
- No immediate blocking recommended; maintain observation for threat indicator emergence
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*Data compiled from IPDebrief intelligence platform. All findings are based on observed signal data and should be validated against additional threat intelligence sources before operational action.*
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 | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 23% | 1 | 4 |
| geolocation | 23% | 2 | 4 |
| Overall | 17% | 10 | 18 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-17 17:12:44 UTC |
| Last Seen | 2026-10-06 08:31:31 UTC |
| Profile Built | 2026-10-06 08:32:11 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 216.73.163.22
Who owns the IP address 216.73.163.22?
216.73.163.22 is registered to Prefixx, Inc.. The address falls within the 216.73.160.0/22 network block. Registration is held at ARIN.
Where is 216.73.163.22 located?
Geolocation data places 216.73.163.22 in San Francisco, California, United States. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 216.73.163.22 malicious or safe?
216.73.163.22 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.