131.100.207.211
🏢 Ownership & Registration
| Organization | NETCENTER FIBRA TELECOMUNICACOES LTDA |
| ASN | AS273409 |
| Network Name | 518356 |
| CIDR Block | 131.100.204.0/22 |
| RIR | ARIN |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | AS273409 |
| Network Prefix | 131.100.207.0/24 |
| 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 (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-08 19:10:33 UTC |
| Last Seen | 2026-08-27 05:13:25 UTC |
| Profile Built | 2026-08-29 05:48:38 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 131.100.207.211
Who owns the IP address 131.100.207.211?
131.100.207.211 is registered to NETCENTER FIBRA TELECOMUNICACOES LTDA. The address falls within the 131.100.204.0/22 network block. Registration is held at ARIN.
Where is 131.100.207.211 located?
Geolocation data places 131.100.207.211 in Reginópolis, São Paulo, Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 131.100.207.211 malicious or safe?
131.100.207.211 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
Is 131.100.207.211 a VPN, proxy, or data center address?
131.100.207.211 is classified as a residential network based on network ownership and behavioural analysis.