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AS28670 CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.

BR 4 Routes

AS Data

AS28670

AS28670 – CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.

AS Number	28670
AS Name
Organization	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.
Country	BR
Number of IPv4 Routes	3
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2006-11-16

ASN Intelligence API for production workflows

Use ASN data for AS28670 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:1c24::/32	AS28670	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	~79×10²⁷
189.8.96.0/20	AS28670	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	4096
138.94.220.0/22	AS28670	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	1024
131.72.144.0/22	AS28670	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA.	1024

Raw Whois Response

% 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.
% 2026-04-25T09:23:30-03:00 - 134.199.84.32

aut-num:     AS28670
owner:       CST SERVI�OS DE INFORM�TICA E CALL CENTER LTDA.
responsible: CST Servi�os
owner-c:     REINT8
routing-c:   REINT8
abuse-c:     REINT8
created:     20061116
changed:     20200731
inetnum:     189.8.96.0/20
inetnum:     131.72.144.0/22
inetnum:     2804:1c24::/32
inetnum:     138.94.220.0/22
as-in:       from AS18881 100 accept ANY
as-in:       from AS8167 100 accept ANY
as-out:      to AS18881 announce AS28670
as-out:      to AS8167 announce AS28670

nic-hdl-br:  REINT8
person:      REDEL INTERNET
created:     20120323
changed:     20220308

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS28670",
    "admin_contacts" : [ "REINT8" ],
    "tech_contacts" : [ "REINT8" ],
    "abuse_contacts" : [ "REINT8" ],
    "date_created" : "2006-11-16",
    "date_updated" : "2020-07-31",
    "source" : "lacnic"
  } ],
  "organization" : {
    "name" : "CST SERVI?OS DE INFORM?TICA E CALL CENTER LTDA.",
    "abuse_contacts" : [ "REINT8" ],
    "date_created" : "2006-11-16",
    "date_updated" : "2020-07-31",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "REINT8",
    "date_created" : "2012-03-23",
    "date_updated" : "2022-03-08",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "REINT8",
    "date_created" : "2012-03-23",
    "date_updated" : "2022-03-08",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "REINT8",
    "date_created" : "2012-03-23",
    "date_updated" : "2022-03-08",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS269416	SEMEAR TELECOM EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS266400	Ferenz Networks	BR
AS22548	Núcleo de Inf. e Coord. do Ponto BR NIC.BR	BR
AS51185	MainStreaming SpA	IT
AS52873	Softdados Telecomunicaï¿½ï¿½es	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS14840	BR.Digital Telecom	BR
AS16735	ALGAR TELECOM S/A	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS53062	ALT GRUPO BRASIL TECPAR	BR

Downstreams

AS Number	Description	Country
AS61571	Metro Tecnologia	BR
AS272212	ILUMINET INTERNET	BR
AS270765	VIVA PIXEL AGENCIA DIGITAL	BR

Frequently Asked Questions

What is ASN AS28670?

ASN AS28670 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28670?

AS28670 is listed under CST SERVIÇOS DE INFORMÁTICA E CALL CENTER LTDA..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.