# 216.73.163.156 — IP Intelligence Summary

216.73.163.156 is an IPv4 address operated by Prefixx, Inc. (AS206092), geolocated to San Francisco, United States. As of September 3, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

- Canonical page: https://ipdebrief.com/216.73.163.156
- Last updated: 2026-09-03

## 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

**Intelligence Briefing: 216.73.163.156**

**Risk Profile**

The address returned a Low Risk reputation with a Risk Score of 25. No known attacker indicators, Tor exit points, or spam source flags were identified. The blacklist count remained at zero.

**Ownership and Infrastructure**

Ownership was registered to Prefixx, Inc. (ASN: 206092) under the netname PFX-EXPRESSVPN. The CIDR block 216.73.163.0/22 was assigned within the ARIN RIR. Route stability was flagged as false despite zero route changes in the last 30 days.

**Network Behavior**

Services were observed as "Firewalled / No Services." No open ports, TLS certificates, or HTTP titles were detected. Forward resolution and PTR hostnames returned no results.

**Geolocation**

Geolocation data localized the address to San Francisco, California, United States. The geo-plausibility flag was false.

**Assessment**

No actionable threat indicators were identified. The IP appears to be a static infrastructure endpoint with no active service surface.

## 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)

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Source: IPDebrief, "216.73.163.156 IP intelligence", https://ipdebrief.com/216.73.163.156, updated 2026-09-03. Assessments are probabilistic.