131.153.36.11
131.153.36.11 is an IPv4 address operated by SECURED SERVERS LLC (AS12189), geolocated to Phoenix, United States. Its reverse DNS name is ns1.phoenixnap.com. As of November 3, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | SECURED SERVERS LLC |
| ASN | AS12189 |
| Network Name | SSL-65 |
| CIDR Block | 131.153.0.0/17 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ns1.phoenixnap.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ns1.phoenixnap.com |
🔐 DNS Hygiene
| Hygiene Score | 80% (Excellent) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Present |
☁️ 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 | AS12189 |
| Network Prefix | 131.153.36.0/24 |
| 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 | 35% | 2 | 2 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 35% | 2 | 2 |
| Overall | 20% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-18 16:27:03 UTC |
| Last Seen | 2026-11-03 16:21:44 UTC |
| Profile Built | 2026-11-03 16:24:05 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 131.153.36.11
Who owns the IP address 131.153.36.11?
131.153.36.11 is registered to SECURED SERVERS LLC. The address falls within the 131.153.0.0/17 network block. Registration is held at ARIN.
Where is 131.153.36.11 located?
Geolocation data places 131.153.36.11 in Phoenix, AZ, United States. The local time zone is America/Phoenix. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 131.153.36.11 malicious or safe?
131.153.36.11 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 131.153.36.11?
The reverse DNS (PTR) record for 131.153.36.11 is ns1.phoenixnap.com. This hostname is forward-confirmed, meaning it resolves back to the same address.