37.66.3.168
Intelligence Briefing: 37.66.3.168
Analysis of IP 37.66.3.168/32 classified the address as Low Risk with a risk score of 25. Ownership records identified the host under ASN 15557 (SFR Legal Contact) within the 37.66.0.0/21 block. Geolocation data placed the endpoint in Paris, Île-de-France, France.
Threat intelligence feeds did not flag the IP as a known attacker, spam source, or Tor exit node. The blacklist count remained at zero, and no known campaigns were associated with the address.
Network observations indicated the address functioned as a mobile endpoint on the SFR carrier network (LTE/5G). No open ports or active services were detected, with the service purpose recorded as "Firewalled / No Services." DNS resolution confirmed the PTR hostname 168.3.66.37.rev.sfr.net. No specific defensive actions were recommended based on the profile.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | SFR Legal Contact |
| ASN | AS15557 |
| Network Name | SFR-INFRA |
| CIDR Block | 37.66.0.0/21 |
| RIR | RIPE |
| Country | FR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 168.3.66.37.rev.sfr.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 168.3.66.37.rev.sfr.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | AS15557 |
| Network Prefix | 37.64.0.0/13 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 41% | 2 | 5 |
| routing | 8% | 1 | 1 |
| services | 20% | 2 | 2 |
| ownership | 40% | 2 | 3 |
| reputation | 27% | 1 | 4 |
| geolocation | 20% | 2 | 2 |
| Overall | 26% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-10 14:02:04 UTC |
| Last Seen | 2026-09-04 16:41:59 UTC |
| Profile Built | 2026-09-04 16:48:42 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 32 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.66.3.168
Who owns the IP address 37.66.3.168?
37.66.3.168 is registered to SFR Legal Contact. The address falls within the 37.66.0.0/21 network block. Registration is held at RIPE.
Where is 37.66.3.168 located?
Geolocation data places 37.66.3.168 in Paris, Île-de-France, France. The local time zone is Europe/Paris. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 37.66.3.168 malicious or safe?
37.66.3.168 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 37.66.3.168?
The reverse DNS (PTR) record for 37.66.3.168 is 168.3.66.37.rev.sfr.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 37.66.3.168 a VPN, proxy, or data center address?
37.66.3.168 is classified as a mobile network based on network ownership and behavioural analysis.