158.51.134.123
158.51.134.123 is an IPv4 address operated by NONEXISTE-AS - nonexiste.net, US (AS26457), with approximate network location United States. Its reverse DNS name is ntp01.nonexiste.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | nonexiste.net |
| ASN | AS26457 |
| Network Name | NONEXISTEV4-NET |
| CIDR Block | 158.51.134.0/24 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | NONEXISTE-AS - nonexiste.net, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ntp01.nonexiste.net |
| 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.
| caa | Not checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Not checked |
| fcrDns | 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 |
|---|---|---|---|
| 80 | http | tcp | — |
| Closed Ports | 22, 25, 443, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS26457 |
| Network Prefix | 158.51.134.0/24 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 25% | 1 | 1 |
| geolocation | 0% | 0 | 0 |
| Overall | 18% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Aging
| First Seen | 2026-10-27 21:25:57 UTC |
| Last Seen | 2026-10-27 21:25:57 UTC |
| Profile Built | 2026-11-13 05:54:40 UTC |
| Data Freshness | Aging |
| Signal Types | 20 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 158.51.134.123
Who owns the IP address 158.51.134.123?
158.51.134.123 is registered to nonexiste.net. The address falls within the 158.51.134.0/24 network block. Registration is held at ARIN.
Where is 158.51.134.123 located?
Geolocation data places 158.51.134.123 in United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 158.51.134.123 malicious or safe?
158.51.134.123 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 is the hostname for 158.51.134.123?
The reverse DNS (PTR) record for 158.51.134.123 is ntp01.nonexiste.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 158.51.134.123?
Responsive ports observed on 158.51.134.123 include 80. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.