187.19.121.166 is an IPv4 address operated by AS53160 - UNIDASNET COMUNICACOES LTDA, BR (AS53160), with approximate network location Pilar, Brazil. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | UNIDASNET COMUNICACOES LTDA |
| ASN | AS53160 |
| Network Name | 145258 |
| CIDR Block | 187.19.112.0/20 |
| RIR | LACNIC |
| Network registration country | BR |
| Registrant address country | BR |
| Routing operator | AS53160 - UNIDASNET COMUNICACOES 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 applicable
|
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive
166.121.19.187.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
No specific classification
🔍 13 signal types · 14 observations collected
This report is generated from 13+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 187.19.121.166
Who owns the IP address 187.19.121.166?
187.19.121.166 is registered to UNIDASNET COMUNICACOES LTDA. The address falls within the 187.19.112.0/20 network block. Registration is held at LACNIC.
Where is 187.19.121.166 located?
Geolocation data places 187.19.121.166 in Pilar, Paraíba, Brazil. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 187.19.121.166 malicious or safe?
187.19.121.166 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.
