216.73.163.171
216.73.163.171 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.
# IPDEBRIEF INTELLIGENCE BRIEFING
Target: 216.73.163.171/32 | Classification: Threat Intelligence Summary | Date: 2026-07-28
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## Executive Summary
IP 216.73.163.171 is classified as Low Risk (risk score: 25) with no active threat indicators. The address belongs to Prefixx, Inc. (ASN 206092) and is part of the PFX-EXPRESSVPN network block (216.73.160.0/22). No malicious activity or known campaigns associated with this IP.
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## Ownership & Infrastructure
- Organization: Prefixx, Inc.
- Network Name: PFX-EXPRESSVPN
- ASN: 206092
- CIDR Block: 216.73.160.0/22
- Geolocation: United States, California (San Francisco)
- RIR: ARIN
- Abuse Contact: abuse-reports@vpnconsumer.com
---
## Threat Assessment
Risk Score: 25 (Low Risk)
| Indicator | Status |
|---|---|
| Known Attacker | No |
| Tor Exit Node | No |
| Spam Source | No |
| Blacklist Count | 0 |
| Open Ports | None detected |
| DNSBL Listed | Yes (1 of 8 lists) |
| Campaign Likelihood | Not applicable |
Control Plane: Route stability flagged as unstable (isRouteStable: false). DNSSEC valid.
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## Neighborhood Analysis
- Subnet: 216.73.163.171/24
- Total Siblings: 81 IPs
- Abuse Density: 0
- Risk Distribution: 0 High, 1 Medium, 80 Low
Notable Neighbor: 216.73.163.2 (risk score: 60) — elevated risk within same /24.
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## Observation History
12 observations recorded (most recent: 2026-07-28). Consistent ownership and network classification observed. No significant threat pattern changes detected over the observation period.
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## Recommended Actions
- Allow: Traffic permitted. IP not flagged for blocking.
- Monitor: Subnet 216.73.160.0/22 contains one elevated-risk neighbor (216.73.163.2).
- No firewall rules recommended for this specific IP.
---
## Intelligence Notes
This IP represents infrastructure for a VPN provider service with minimal abuse indicators. The single DNSBL listing warrants routine monitoring but does not indicate active malicious use. SOC analysts should note the neighborhood risk distribution and monitor the medium-risk sibling IP 216.73.163.2 for correlated activity.
Confidence Level: High | Data Sources: 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 | 34% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 23% | 2 | 4 |
| reputation | 25% | 1 | 4 |
| geolocation | 32% | 2 | 3 |
| Overall | 22% | 10 | 19 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-18 23:51:03 UTC |
| Last Seen | 2026-10-07 11:42:35 UTC |
| Profile Built | 2026-10-07 11:42:55 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 216.73.163.171
Who owns the IP address 216.73.163.171?
216.73.163.171 is registered to Prefixx, Inc.. The address falls within the 216.73.160.0/22 network block. Registration is held at ARIN.
Where is 216.73.163.171 located?
Geolocation data places 216.73.163.171 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 216.73.163.171 malicious or safe?
216.73.163.171 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.