84.100.57.237
84.100.57.237 is an IPv4 address operated by LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA, FR (AS15557), with approximate network location Jouy-le-Moutier, France. It belongs to a mobile network with reverse DNS name 237.57.100.84.rev.sfr.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | SFR Legal Contact |
| ASN | AS15557 |
| Network Name | N9UF-DYN-DSL |
| CIDR Block | 84.97.0.0/16 |
| RIR | RIPE |
| Network registration country | FR |
| Routing operator | LDCOMNET - Societe Francaise Du Radiotelephone - SFR SA, FR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 237.57.100.84.rev.sfr.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 237.57.100.84.rev.sfr.net |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not found at queried name net |
| spf | Unknown / lookup inconclusive 237.57.100.84.rev.sfr.net |
| dmarc | Unknown / lookup inconclusive _dmarc.237.57.100.84.rev.sfr.net |
| dnssec | Unknown / lookup inconclusive 237.57.100.84.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 237.57.100.84.rev.sfr.net |
☁️ 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS15557 |
| Network Prefix | 84.96.0.0/13 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 22:54:37 UTC |
| Last Seen | 2026-11-08 01:06:09 UTC |
| Profile Built | 2026-11-13 08:36:25 UTC |
| Data Freshness | Live |
| Signal Types | 12 |
| Total Observations | 16 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 84.100.57.237
Who owns the IP address 84.100.57.237?
84.100.57.237 is registered to SFR Legal Contact. The address falls within the 84.97.0.0/16 network block. Registration is held at RIPE.
Where is 84.100.57.237 located?
Geolocation data places 84.100.57.237 in Jouy-le-Moutier, Île-de-France, France. The local time zone is Europe/Paris. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 84.100.57.237 malicious or safe?
84.100.57.237 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 84.100.57.237?
The reverse DNS (PTR) record for 84.100.57.237 is 237.57.100.84.rev.sfr.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 84.100.57.237 a VPN, proxy, or data center address?
84.100.57.237 is classified as a mobile network based on network ownership and behavioural analysis.