37.66.46.74
37.66.46.74 is an IPv4 address operated by SFR Legal Contact (AS15557), geolocated to Marseille, France. It belongs to a mobile network with reverse DNS name 74.46.66.37.rev.sfr.net. As of November 6, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
The IP address 37.66.46.74/32 was observed within the network between November 3 and November 6, 2026. Ownership data linked the address to ASN 15557, SFR Legal Contact, within the SFR-INFRA block (37.66.40.0/21). Geolocation data identified the endpoint in Marseille, Provence-Alpes-Côte d'Azur, France, operated by the mobile carrier SFR using LTE/5G technology.
Threat analysis returned a Low Risk reputation with a score of 25. The address was listed on one DNSBL list out of eight total checks. Technical scanning revealed no open ports, with the service purpose noted as "Firewalled / No Services." DNS configuration included an SPF record, while DMARC was absent. PTR records resolved to 74.46.66.37.rev.sfr.net.
No specific threat indicators, campaigns, or known attacker signatures were associated with the IP. The local subnet (37.66.46.0/24) was classified as mostly_clean with an abuse density of 0.0714. Behavioral metrics showed zero incidents, including no honeypot hits or enumeration strikes. The recommendation assigned to the address was to monitor, with a severity rating of low.
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 | 37.66.40.0/21 |
| RIR | RIPE |
| Country | FR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 74.46.66.37.rev.sfr.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 74.46.66.37.rev.sfr.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| 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 |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 20% | 1 | 1 |
| routing | 20% | 1 | 1 |
| services | 20% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 20% | 1 | 1 |
| Overall | 13% | 4 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-03 18:27:09 UTC |
| Last Seen | 2026-11-06 04:08:12 UTC |
| Profile Built | 2026-11-06 04:27:24 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.66.46.74
Who owns the IP address 37.66.46.74?
37.66.46.74 is registered to SFR Legal Contact. The address falls within the 37.66.40.0/21 network block. Registration is held at RIPE.
Where is 37.66.46.74 located?
Geolocation data places 37.66.46.74 in Marseille, Provence-Alpes-Côte d'Azur, 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 37.66.46.74 malicious or safe?
37.66.46.74 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 37.66.46.74?
The reverse DNS (PTR) record for 37.66.46.74 is 74.46.66.37.rev.sfr.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 37.66.46.74 a VPN, proxy, or data center address?
37.66.46.74 is classified as a mobile network based on network ownership and behavioural analysis.