# 216.73.163.10 — IP Intelligence Summary

216.73.163.10 is an IPv4 address operated by Prefixx, Inc. (AS206092), geolocated to San Francisco, United States. As of October 31, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/216.73.163.10
- Last updated: 2026-10-31

## 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: California
- Country: United States
- Time zone: —

## 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: 216.73.163.10

\## Executive Summary

IP address 216.73.163.10 is associated with a low-risk infrastructure endpoint belonging to Prefixx, Inc. The address is firewalled with no active services and demonstrates minimal threat indicators. Overall classification: **Low Risk**.

\## Network Ownership and Classification

\- **Organization:** Prefixx, Inc.

\- **Network Name:** PFX-EXPRESSVPN

\- **ASN:** 206092

\- **CIDR Block:** 216.73.160.0/22

\- **Location:** New York, US (ARIN)

\- **Network Role:** Firewalled / No Services

\- **IP Type:** Static, non-mobile infrastructure

\## Risk Profile

| Metric | Value |

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

| Risk Score | 0 |

| Provider Score | 0 |

| Authority Score | 0 |

| Stability Score | 0 |

| Reputation | Low Risk |

\## Threat Indicators

\- **Abuse Confidence Score:** Not applicable

\- **Blacklist Status:** Listed on 8 DNSBLs with 0 active listings

\- **Tor Exit Node:** No

\- **Known Attacker:** No

\- **Spam Source:** No

\- **Active Threats:** None observed

\- **Associated Campaigns:** None

\## Service Exposure

\- **Open Ports:** None

\- **TLS Certificates:** None

\- **HTTP Services:** None

\- **DNS Resolution:** No PTR records, no forward resolution

\- **Email Authentication:** No SPF/DMARC records

\## Neighborhood Analysis (216.73.163.0/24)

\- **Total Subnet Siblings:** 82

\- **Active Siblings:** 23

\- **Threat Siblings:** 2

\- **Abuse Density:** 0.0244 (Low)

\- **Classification:** Clean

Risk distribution across subnet: 0 high-risk, 1 medium-risk, 80 low-risk addresses. One neighbor (216.73.163.2) exhibits elevated risk score (60) and authority score (50), warranting monitoring.

\## Observation History

Thirteen signal observations recorded through July 2026. Key observations include:

\- Geolocation signals show San Francisco, California (contradicts profile New York location)

\- Subnet consistently classified as "clean"

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

\- No persistent malicious behavior detected

\## Relationships

\- **Network Association:** PFX-EXPRESSVPN (same network)

\- No additional correlated entities, hostnames, or certificates identified

\## Recommended Actions

1. **Block:** Not required — low-risk infrastructure endpoint

2. **Monitor:** Track neighbor 216.73.163.2 for potential lateral activity

3. **Allow:** Standard egress permitted

4. **Note:** Subnet belongs to VPN provider; expect higher volume of legitimate traffic

\## Conclusion

216.73.163.10 represents benign infrastructure from a VPN provider. No immediate threat mitigation required. Monitor subnet-level activity for the one medium-risk sibling address identified.

## 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)
- 216.73.163.11 (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)
- 216.73.163.27 (https://ipdebrief.com/216.73.163.27)

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Source: IPDebrief, "216.73.163.10 IP intelligence", https://ipdebrief.com/216.73.163.10, updated 2026-10-31. Assessments are probabilistic.