37.65.11.227
37.65.11.227 is an IPv4 address announced by AS15557, with approximate network location Newark, United States. It belongs to a mobile network with reverse DNS name 227.11.65.37.rev.sfr.net. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | SFR Legal Contact |
| ASN | AS15557 |
| Network Name | SFR-INFRA |
| CIDR Block | 37.65.8.0/21 |
| RIR | RIPE |
| Network registration country | FR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 227.11.65.37.rev.sfr.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 227.11.65.37.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.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-08 17:54:00 UTC |
| Last Seen | 2026-11-10 13:26:57 UTC |
| Profile Built | 2026-11-12 06:25:11 UTC |
| Data Freshness | Recent |
| Signal Types | 16 |
| Total Observations | 16 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 37.65.11.227
Who owns the IP address 37.65.11.227?
37.65.11.227 is registered to SFR Legal Contact. The address falls within the 37.65.8.0/21 network block. Registration is held at RIPE.
Where is 37.65.11.227 located?
Geolocation data places 37.65.11.227 in Newark, US-NJ, United States. The local time zone is America/New_York. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 37.65.11.227 malicious or safe?
37.65.11.227 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 37.65.11.227?
The reverse DNS (PTR) record for 37.65.11.227 is 227.11.65.37.rev.sfr.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 37.65.11.227 a VPN, proxy, or data center address?
37.65.11.227 is classified as a mobile network based on network ownership and behavioural analysis.