173.216.170.187
173.216.170.187 is an IPv4 address announced by AS19108, with approximate network location Magnolia, United States. As of November 6, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Optimum |
| ASN | AS19108 |
| Network Name | SUDDE |
| CIDR Block | 173.216.0.0/14 |
| RIR | ARIN |
| Network registration 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 Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 80, 443, 3389, 8080 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS19108 |
| Network Prefix | 173.216.0.0/16 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 26% | 7 | 8 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-01 17:23:04 UTC |
| Last Seen | 2026-11-06 19:48:23 UTC |
| Profile Built | 2026-11-06 19:50:33 UTC |
| Data Freshness | Live |
| Signal Types | 17 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 173.216.170.187
Who owns the IP address 173.216.170.187?
173.216.170.187 is registered to Optimum. The address falls within the 173.216.0.0/14 network block. Registration is held at ARIN.
Where is 173.216.170.187 located?
Geolocation data places 173.216.170.187 in Magnolia, Arkansas, United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 173.216.170.187 malicious or safe?
173.216.170.187 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.
What ports are open on 173.216.170.187?
Responsive ports observed on 173.216.170.187 include 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.