37.140.254.51 is an IPv4 address operated by ExpressVPN (AS206092), geolocated to Zurich, Netherlands. As of October 27, 2026, IPDebrief rates it Moderate Risk (50/100); no anonymizing service was detected.
# IP Intelligence Briefing: 37.140.254.51
Classification: LOW RISK | Risk Score: 25/100
## Summary
IP address 37.140.254.51 is associated with ExpressVPN infrastructure, hosted within ASN 206092. The IP demonstrates minimal threat indicators with a low overall risk profile. No active services or open ports were detected.
## Technical Profile
- ASN/Provider: ASN 206092
- Organization: ExpressVPN
- Location: Netherlands (NL) / Zurich region
- Network Range: 37.140.254.0/24
- Service Status: Firewalled / No Services Detected
- DNS Configuration: No PTR records, no forward resolution, no hosted domains
## Threat Indicators
- Blacklist Status: Listed on 1 of 8 monitored threat feeds
- Malware/Exploit Activity: None detected
- Campaign Association: No known campaigns correlated
- Tor Exit Node: No
- Known Attacker: No
- Spam Source: No
## Network Context
The IP resides in subnet 37.140.254.0/24 with an abuse density of 0.2 (mostly_clean classification). The subnet contains 20 sibling IPs with 4 threat siblings identified. Inherited risk score for the subnet is 8.
## Historical Observations
13 observations recorded since initial discovery. Recent signals indicate:
- Consistent ExpressVPN ownership attribution
- Geolocation stability (Netherlands)
- No ownership changes detected
- No persistent malicious behavior patterns
## SOC Actionable Intelligence
- Block Recommendation: Not required (low risk score, legitimate provider infrastructure)
- Monitoring: Standard logging sufficient; no elevated threat signals
- Firewall Rules: No specific rules recommended
- Priority: LOW
Assessment: This IP represents legitimate VPN infrastructure with no active threat indicators. The single blacklist listing may be historical or related to legitimate service usage. No immediate blocking action recommended.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | ExpressVPN |
| ASN | AS206092 |
| Network Name | NL-LAYERSWITCH1-20210921 |
| CIDR Block | 37.140.254.0/24 |
| RIR | RIPE |
| Country | NL |
| 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 | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| 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 | 37.140.254.0/24 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 4% | 1 | 1 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-06 06:01:40 UTC |
| Last Seen | 2026-11-02 03:56:52 UTC |
| Profile Built | 2026-10-27 01:13:41 UTC |
| Data Freshness | Live |
| Signal Types | 19 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.140.254.51
Who owns the IP address 37.140.254.51?
37.140.254.51 is registered to ExpressVPN. The address falls within the 37.140.254.0/24 network block. Registration is held at RIPE.
Where is 37.140.254.51 located?
Geolocation data places 37.140.254.51 in Zurich, Zurich, Netherlands. The local time zone is Europe/Amsterdam. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 37.140.254.51 malicious or safe?
37.140.254.51 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.