# 216.73.163.33 — IP Intelligence Summary

216.73.163.33 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.

- Canonical page: https://ipdebrief.com/216.73.163.33
- Last updated: 2026-10-07

## Ownership

- Organization: Prefixx, Inc.
- Network name: PFX-EXPRESSVPN
- Allocated block: 216.73.160.0/22
- ASN: AS206092 (https://ipdebrief.com/asn/206092)
- Regional registry: ARIN

## Location

- City: San Francisco
- Region: CA
- Country: United States
- Time zone: America/Los_Angeles

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: no
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Analyst narrative

\# IP Intelligence Briefing: 216.73.163.33

**Classification:** Low Risk / VPN Infrastructure

**Date:** 2026-07-28

**Analyst:** IPDebrief Intelligence Unit

\---

\## Executive Summary

IP 216.73.163.33 is a residential/VPN endpoint assigned to Prefixx, Inc. (ASN 206092). The address exhibits low-risk characteristics with no active threat indicators observed. Infrastructure shows typical VPN provider behavior with firewalled services and minimal operational footprint.

\---

\## Profile Overview

| Attribute | Value |

|-----------|-------|

| **Risk Score** | 25 / 100 (Low Risk) |

| **Provider Score** | 0 |

| **Authority Score** | 0 |

| **Organization** | Prefixx, Inc. |

| **ASN** | 206092 |

| **BGP Prefix** | 216.73.163.0/24 |

| **Country** | United States |

| **Region** | California, San Francisco |

| **Geolocation Confidence** | Consensus Valid |

| **Service Classification** | Firewalled / No Services |

\---

\## Threat Assessment

**Current Risk Profile:**

\- **Threat Indicators:** None

\- **Known Attacker:** No

\- **Spam Source:** No

\- **Tor Exit Node:** No

\- **Blacklist Count:** 0

\- **DNSBL Listed:** 1 of 8 total lists (minimal impact)

\- **Operator Score:** 0.1304 (Minimal)

**Behavioral Indicators:**

\- **Honeypot Hits:** 0

\- **Enumeration Strikes:** 0

\- **WAF Violations:** 0

\- **Total Incidents:** 0

\- **Persistently Malicious:** No

\- **Active Attacker Status:** No

\---

\## Network Characteristics

**Infrastructure Status:**

\- **Open Ports:** None detected

\- **HTTP/TLS Services:** No active web services

\- **DNS Resolution:** No forward confirmations

\- **PTR Records:** None

**Routing Stability:**

\- **Route Stable:** No (recent changes observed)

\- **BGP Prefix Changes (30d):** 0

\- **DNSSEC Valid:** Yes

\- **Transit Networks:** Comcast (11-hop traceroute)

\---

\## Historical Observations

**Observation Count:** 11 signals recorded

**Recent Signal Timeline (2026-07-28):**

\- **18:27:14** – Organization confirmed: Prefixx, Inc. (ARIN)

\- **18:27:05** – Routing/operator signals minimal impact

\- **18:26:57** – Geolocation signals indicate US (confidence: 0.35)

**Key Historical Notes:**

\- Consistent ownership attribution to Prefixx, Inc.

\- CIDR block 216.73.160.0/22 associated with PFX-EXPRESSVPN

\- Abuse contact: abuse-reports@vpnconsumer.com

\- No escalation in risk posture over observation period

\---

\## Subnet Neighborhood Analysis

**Subnet:** 216.73.163.0/24

**Total Siblings:** 81 IPs

**Abuse Density:** 0.00

**Risk Distribution:**

\- High Risk: 0 IPs

\- Medium Risk: 1 IP (216.73.163.2, score: 60)

\- Low Risk: 80 IPs

**Notable Neighbors:**

\- 216.73.163.2: Risk 60, Authority 50

\- 216.73.163.4-7: Risk 25, Authority 50

\- 216.73.163.10: Risk 20, Authority 50

\---

\## Relationship Graph

**Direct Relationships:** None detected

**Associated Hostnames:** None

**Linked Certificates:** None

**Connected Organizations:** None

\---

\## Recommended Actions

**For SOC/Network Teams:**

1. **Monitoring Level:** Standard monitoring recommended. IP shows VPN infrastructure characteristics.

2. **Firewall Rules:** No explicit blocks required. Standard VPN policy applies.

3. **Threat Hunting:** No actionable IOCs identified. Focus on behavioral anomalies rather than static indicators.

4. **Neighbor Context:** One medium-risk neighbor (216.73.163.2) warrants periodic review but subnet overall shows minimal abuse density.

5. **Abuse Reporting:** Prefixx, Inc. abuse contact: abuse-reports@vpnconsumer.com

\---

\## Conclusion

IP 216.73.163.33 represents a standard VPN endpoint from Prefixx, Inc. infrastructure. The address shows no malicious behavior, no active threat indicators, and belongs to a subnet with minimal abuse activity. No immediate defensive action required beyond standard VPN traffic handling policies.

\---

**Confidence Level:** High

**Data Sources:** 11 observations, 4 dimensions

**Last Updated:** 2026-07-28

## Nearby addresses

- 216.73.163.2 (https://ipdebrief.com/216.73.163.2)
- 216.73.163.4 (https://ipdebrief.com/216.73.163.4)
- 216.73.163.6 (https://ipdebrief.com/216.73.163.6)
- 216.73.163.7 (https://ipdebrief.com/216.73.163.7)
- 216.73.163.10 (https://ipdebrief.com/216.73.163.10)
- 216.73.163.11 (https://ipdebrief.com/216.73.163.11)
- 216.73.163.12 (https://ipdebrief.com/216.73.163.12)
- 216.73.163.13 (https://ipdebrief.com/216.73.163.13)
- 216.73.163.16 (https://ipdebrief.com/216.73.163.16)
- 216.73.163.20 (https://ipdebrief.com/216.73.163.20)
- 216.73.163.22 (https://ipdebrief.com/216.73.163.22)
- 216.73.163.24 (https://ipdebrief.com/216.73.163.24)

---

Source: IPDebrief, "216.73.163.33 IP intelligence", https://ipdebrief.com/216.73.163.33, updated 2026-10-07. Assessments are probabilistic.