Whois & RDAP Lookup
187.20.0.0/17
RDAPIP Range187.20.0.0 - 187.23.255.255
Handle187.20.0.0/14
Name122419
TypeALLOCATED
CountryBR
HolderClaro NXT Telecomunicacoes Ltda
Registered2008-10-03 17:37 UTC
Updated2022-06-15 19:08 UTC
RegistrantClaro NXT Telecomunicacoes Ltda
Admin ContactGrupo de Segurança Vírtua
Tech ContactGrupo de Segurança Vírtua
Statusactive
Registry RDAPhttps://rdap.lacnic.net
Raw WHOIS response
% IP Client: 146.19.19.88 % Copyright (c) Nic.br - Use of this data is governed by the Use and % Privacy Policy at https://registro.br/upp . Distribution, % commercialization, reproduction, and use for advertising or similar % purposes are expressly prohibited. % 2026-09-01T06:45:16-03:00 - 146.19.19.88 inetnum: 187.20.0.0/14 aut-num: AS28573 abuse-c: GRSVI owner: Claro NXT Telecomunicacoes Ltda ownerid: 66.970.229/0001-67 responsible: Suporte Redes owner-c: GRSVI tech-c: GRSVI inetrev: 187.20.0.0/18 nserver: ns7.virtua.com.br nsstat: 20260830 TIMEOUT nslastaa: 20260822 nserver: ns8.virtua.com.br nsstat: 20260830 AA nslastaa: 20260830 created: 20081003 changed: 20220615 nic-hdl-br: GRSVI person: Grupo de Seguran�a V�rtua created: 20080512 changed: 20230704 % Security and mail abuse issues should also be addressed to cert.br, % respectivelly to [email protected] and [email protected] % % whois.registro.br only accepts exact match queries for domains, % registrants, contacts, tickets, providers, IPs, and ASNs. % Query time: 994 msec % WHEN: Tue Sep 01 09:45:15 UTC 2026
Raw RDAP JSON (registry) https://rdap.lacnic.net
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],
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{
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},
{
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}
],
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]
},
{
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"eventDate": "2026-08-22T12:00:00Z"
}
],
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"objectClassName": "nameserver"
},
{
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"eventDate": "2026-08-30T12:00:00Z",
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]
},
{
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}
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}
],
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},
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},
{
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},
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}
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}
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],
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},
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}
],
"notices": [
{
"description": [
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],
"links": [
{
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"rel": "alternate",
"type": "text/html",
"value": "https://rdap.registro.br/ip/187.20.0.0/14"
}
],
"title": "Use and Privacy Policy"
}
],
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"rdapConformance": [
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],
"remarks": [
{
"description": [
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],
"type": "object truncated due to server policy"
}
],
"startAddress": "187.20.0.0",
"status": [
"active"
],
"type": "ALLOCATED"
}Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.