189.7.87.91
189.7.87.91 is an IPv4 address operated by AS28573 - Claro NXT Telecomunicacoes Ltda, BR (AS28573), with approximate network location São Carlos, Brazil. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Claro NXT Telecomunicacoes Ltda |
| ASN | AS28573 |
| Network Name | 82566 |
| CIDR Block | 189.4.0.0/14 |
| RIR | LACNIC |
| Network registration country | BR |
| Routing operator | AS28573 - Claro NXT Telecomunicacoes Ltda, BR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
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 | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 91.87.7.189.in-addr.arpa |
| fcrDns | Not checked |
☁️ 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS28573 |
| Network Prefix | 189.7.80.0/21 |
| 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 | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 16% | 4 | 5 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-05 22:24:55 UTC |
| Last Seen | 2026-11-08 02:28:54 UTC |
| Profile Built | 2026-11-14 07:37:55 UTC |
| Data Freshness | Recent |
| Signal Types | 15 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 189.7.87.91
Who owns the IP address 189.7.87.91?
189.7.87.91 is registered to Claro NXT Telecomunicacoes Ltda. The address falls within the 189.4.0.0/14 network block. Registration is held at LACNIC.
Where is 189.7.87.91 located?
Geolocation data places 189.7.87.91 in São Carlos, SP, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 189.7.87.91 malicious or safe?
189.7.87.91 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.
Is 189.7.87.91 a VPN, proxy, or data center address?
189.7.87.91 is classified as a mobile network and a residential network based on network ownership and behavioural analysis.