191.240.96.21
191.240.96.21 is an IPv4 address operated by MASTER S/A (AS28202), geolocated to Pará de Minas, Brazil. Its reverse DNS name is 191-240-96-21.prs-wr.mastercabo.com.br. As of October 4, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | MASTER S/A |
| ASN | AS28202 |
| Network Name | 213404 |
| CIDR Block | 191.240.0.0/17 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 191-240-96-21.prs-wr.mastercabo.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 191-240-96-21.prs-wr.mastercabo.com.br |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | AS28202 |
| Network Prefix | 191.240.96.0/24 |
| 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 | 35% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 22% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-07 00:24:17 UTC |
| Last Seen | 2026-10-04 23:51:04 UTC |
| Profile Built | 2026-10-04 23:51:32 UTC |
| Data Freshness | Live |
| Signal Types | 18 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 191.240.96.21
Who owns the IP address 191.240.96.21?
191.240.96.21 is registered to MASTER S/A. The address falls within the 191.240.0.0/17 network block. Registration is held at LACNIC.
Where is 191.240.96.21 located?
Geolocation data places 191.240.96.21 in Pará de Minas, Minas Gerais, Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 191.240.96.21 malicious or safe?
191.240.96.21 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 191.240.96.21?
The reverse DNS (PTR) record for 191.240.96.21 is 191-240-96-21.prs-wr.mastercabo.com.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.