45.138.16.237
45.138.16.237 is an IPv4 address operated by 1337 Services GmbH (AS210558), geolocated to Warsaw, Poland. Its reverse DNS name is mail.sim-tutor.com. As of October 6, 2026, IPDebrief rates it Moderate Risk (49/100) and identifies it as a Tor exit node.
🏢 Ownership & Registration
| Organization | 1337 Services GmbH |
| ASN | AS210558 |
| Network Name | LEET-45-138-16-0 |
| CIDR Block | 45.138.16.0/24 |
| RIR | ARIN |
| Country | PL |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | mail.sim-tutor.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | mail.sim-tutor.com |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | 2026-07-08T00:00:00+00:00 |
| Valid Until | 2027-03-02T23:59:59+00:00 |
🛡️ Public Network Snapshot
| Origin ASN | AS210558 |
| Network Prefix | 45.138.16.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 27% | 2 | 7 |
| routing | 17% | 2 | 3 |
| services | 36% | 2 | 7 |
| ownership | 19% | 3 | 4 |
| reputation | 39% | 1 | 34 |
| geolocation | 31% | 2 | 5 |
| Overall | 28% | 12 | 60 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 23:55:05 UTC |
| Last Seen | 2026-10-06 01:10:02 UTC |
| Profile Built | 2026-10-06 01:12:21 UTC |
| Data Freshness | Live |
| Signal Types | 26 |
| Total Observations | 89 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 45.138.16.237
Who owns the IP address 45.138.16.237?
45.138.16.237 is registered to 1337 Services GmbH. The address falls within the 45.138.16.0/24 network block. Registration is held at ARIN.
Where is 45.138.16.237 located?
Geolocation data places 45.138.16.237 in Warsaw, Mazovia, Poland. The local time zone is Europe/Warsaw. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 45.138.16.237 malicious or safe?
45.138.16.237 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 45.138.16.237?
The reverse DNS (PTR) record for 45.138.16.237 is mail.sim-tutor.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 45.138.16.237?
Responsive ports observed on 45.138.16.237 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 45.138.16.237 a VPN, proxy, or data center address?
45.138.16.237 is classified as the Tor network based on network ownership and behavioural analysis.