# 37.66.46.74 — IP Intelligence Summary

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.

- Canonical page: https://ipdebrief.com/37.66.46.74
- Last updated: 2026-11-06

## Ownership

- Organization: SFR Legal Contact
- Network name: SFR-INFRA
- Allocated block: 37.66.40.0/21
- ASN: AS15557 (https://ipdebrief.com/asn/15557)
- Regional registry: RIPE

## Location

- City: Marseille
- Region: Provence-Alpes-Côte d'Azur
- Country: France
- Time zone: Europe/Paris

## Network classification

- Infrastructure type: —
- Datacenter / hosting: no
- Residential: no
- Mobile: yes
- Anycast: no
- Tor exit node: no
- VPN: no
- Proxy: no

## Risk assessment

- Assessment: Low Risk (25/100)
- Blocklist listings: 0
- Suspicious activity indicators: no
- Spam source: no

## Reverse DNS

- 74.46.66.37.rev.sfr.net
- Forward-confirmed: yes

## Analyst narrative

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.

## Nearby addresses

- 37.66.46.1 (https://ipdebrief.com/37.66.46.1)
- 37.66.46.50 (https://ipdebrief.com/37.66.46.50)
- 37.66.46.51 (https://ipdebrief.com/37.66.46.51)
- 37.66.46.54 (https://ipdebrief.com/37.66.46.54)
- 37.66.46.128 (https://ipdebrief.com/37.66.46.128)
- 37.66.46.130 (https://ipdebrief.com/37.66.46.130)
- 37.66.46.204 (https://ipdebrief.com/37.66.46.204)
- 37.66.46.216 (https://ipdebrief.com/37.66.46.216)
- 37.66.46.233 (https://ipdebrief.com/37.66.46.233)
- 37.66.46.239 (https://ipdebrief.com/37.66.46.239)

---

Source: IPDebrief, "37.66.46.74 IP intelligence", https://ipdebrief.com/37.66.46.74, updated 2026-11-06. Assessments are probabilistic.