216.73.163.156
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.
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.
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 | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| 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 | 21% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 8% | 1 | 2 |
| geolocation | 12% | 2 | 2 |
| Overall | 13% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-16 16:44:07 UTC |
| Last Seen | 2026-10-20 10:41:55 UTC |
| Profile Built | 2026-09-03 19:29:58 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 216.73.163.156
Who owns the IP address 216.73.163.156?
216.73.163.156 is registered to Prefixx, Inc.. The address falls within the 216.73.160.0/22 network block. Registration is held at ARIN.
Where is 216.73.163.156 located?
Geolocation data places 216.73.163.156 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 216.73.163.156 malicious or safe?
216.73.163.156 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.