191.37.77.232
191.37.77.232 is an IPv4 address operated by AS263356 - CNT Fiber, BR (AS263356), with approximate network location Nova Lima, Brazil. Its reverse DNS name is 191-37-77-232.cntfiber.net.br. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CNT Fiber |
| ASN | AS263356 |
| Network Name | 225018 |
| CIDR Block | 191.37.72.0/21 |
| RIR | LACNIC |
| Network registration country | BR |
| Routing operator | AS263356 - CNT Fiber, BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 191-37-77-232.cntfiber.net.br |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 191-37-77-232.cntfiber.net.br |
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 br |
| spf | Unknown / lookup inconclusive 191-37-77-232.cntfiber.net.br |
| dmarc | Unknown / lookup inconclusive _dmarc.191-37-77-232.cntfiber.net.br |
| dnssec | Unknown / lookup inconclusive 232.77.37.191.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 191-37-77-232.cntfiber.net.br |
☁️ 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 | |||
| 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 | AS263356 |
| Network Prefix | 191.37.77.0/24 |
| 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 | 35% | 2 | 2 |
| Overall | 18% | 5 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (40%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-04 07:35:16 UTC |
| Last Seen | 2026-11-07 09:11:59 UTC |
| Profile Built | 2026-11-13 09:56:05 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 22 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 191.37.77.232
Who owns the IP address 191.37.77.232?
191.37.77.232 is registered to CNT Fiber. The address falls within the 191.37.72.0/21 network block. Registration is held at LACNIC.
Where is 191.37.77.232 located?
Geolocation data places 191.37.77.232 in Nova Lima, Minas Gerais, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 191.37.77.232 malicious or safe?
191.37.77.232 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 191.37.77.232?
The reverse DNS (PTR) record for 191.37.77.232 is 191-37-77-232.cntfiber.net.br. This hostname is forward-confirmed, meaning it resolves back to the same address.