ASN AS28202 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28202?

AS28202 is listed under Master S/A.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS28202 Master S/A | IPGeolocation.io

Master S/A soumaster.com.br

BR 1157 Routes

AS Data

AS28202

AS28202 – Master S/A

AS Number	28202
AS Name	01.766.744/0001-84
Organization	Master S/A
Country	BR
Website	soumaster.com.br
Number of IPv4 Routes	1141
Number of IPv6 Routes	14
ASN type	ISP
Registry	lacnic
Date Allocated	2008-04-09

ASN Intelligence API for production workflows

Use ASN data for AS28202 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
191.53.172.0/24	AS28202	Master S/A	Master S/A	256
191.240.77.0/24	AS28202	Master S/A	Master S/A	256
191.240.102.0/24	AS28202	Master S/A	Master S/A	256
191.240.46.0/23	AS28202	Master S/A	Master S/A	512
187.44.46.0/24	AS28202	Master S/A	Master S/A	256
191.240.5.0/24	AS28202	Master S/A	Master S/A	256
187.120.101.0/24	AS28202	Master S/A	Master S/A	256
186.216.102.0/24	AS28202	Master S/A	Master S/A	256
177.44.111.0/24	AS28202	Master S/A	Master S/A	256
187.120.72.0/24	AS28202	Master S/A	Master S/A	256
177.44.11.0/24	AS28202	Master S/A	Master S/A	256
191.240.17.0/24	AS28202	Master S/A	Master S/A	256
191.53.201.0/24	AS28202	Master S/A	Master S/A	256
177.130.157.0/24	AS28202	Master S/A	Master S/A	256
189.91.16.0/20	AS28202	Master S/A	Master S/A	4096
191.53.166.0/24	AS28202	Master S/A	Master S/A	256
177.130.162.0/24	AS28202	Master S/A	Master S/A	256
191.53.255.0/24	AS28202	Master S/A	Master S/A	256
191.53.156.0/22	AS28202	Master S/A	Master S/A	1024
177.44.66.0/24	AS28202	Master S/A	Master S/A	256
177.44.106.0/24	AS28202	Master S/A	Master S/A	256
187.120.124.0/23	AS28202	Master S/A	Master S/A	512
187.44.52.0/24	AS28202	Master S/A	Master S/A	256
191.240.23.0/24	AS28202	Master S/A	Master S/A	256
187.120.66.0/24	AS28202	Master S/A	Master S/A	256
191.53.112.0/24	AS28202	Master S/A	Master S/A	256
191.53.167.0/24	AS28202	Master S/A	Master S/A	256
177.44.34.0/23	AS28202	Master S/A	Master S/A	512
191.240.12.0/22	AS28202	Master S/A	Master S/A	1024
187.120.96.0/23	AS28202	Master S/A	Master S/A	512
191.53.36.0/24	AS28202	Master S/A	Master S/A	256
187.44.36.0/22	AS28202	Master S/A	Master S/A	1024
189.91.20.0/23	AS28202	Master S/A	Master S/A	512
186.216.101.0/24	AS28202	Master S/A	Master S/A	256
191.53.142.0/23	AS28202	Master S/A	Master S/A	512
177.44.72.0/24	AS28202	Master S/A	Master S/A	256
189.91.4.0/23	AS28202	Master S/A	Master S/A	512
177.44.0.0/23	AS28202	Master S/A	Master S/A	512
187.120.118.0/23	AS28202	Master S/A	Master S/A	512
191.240.126.0/23	AS28202	Master S/A	Master S/A	512
189.91.2.0/23	AS28202	Master S/A	Master S/A	512
177.44.70.0/24	AS28202	Master S/A	Master S/A	256
191.53.70.0/23	AS28202	Master S/A	Master S/A	512
177.44.65.0/24	AS28202	Master S/A	Master S/A	256
189.91.22.0/23	AS28202	Master S/A	Master S/A	512
191.53.111.0/24	AS28202	Master S/A	Master S/A	256
191.240.22.0/24	AS28202	Master S/A	Master S/A	256
189.91.16.0/23	AS28202	Master S/A	Master S/A	512
179.189.176.0/23	AS28202	Master S/A	Master S/A	512
187.44.51.0/24	AS28202	Master S/A	Master S/A	256
191.53.160.0/22	AS28202	Master S/A	Master S/A	1024
2804:87c:c01::/48	AS28202	Master S/A	Master S/A	~1×10²⁴
177.44.100.0/22	AS28202	Master S/A	Master S/A	1024
177.44.48.0/22	AS28202	Master S/A	Master S/A	1024
187.44.50.0/24	AS28202	Master S/A	Master S/A	256
191.53.41.0/24	AS28202	Master S/A	Master S/A	256
191.53.72.0/23	AS28202	Master S/A	Master S/A	512
191.53.249.0/24	AS28202	Master S/A	Master S/A	256
177.44.28.0/23	AS28202	Master S/A	Master S/A	512
191.53.140.0/23	AS28202	Master S/A	Master S/A	512

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.
% 2026-09-29T09:25:38-03:00 - 191.102.155.250

aut-num:     AS28202
owner:       MASTER S/A
ownerid:     01.766.744/0001-84
responsible: Engenharia de Redes
country:     BR
owner-c:     ADMAS5
routing-c:   ADMAS5
abuse-c:     ADMAS5
created:     20080409
changed:     20130306
inetnum:     189.91.0.0/19
inetnum:     187.44.0.0/18
inetnum:     187.120.64.0/18
inetnum:     186.216.64.0/18
inetnum:     177.44.0.0/17
inetnum:     2804:87c::/32
inetnum:     177.130.128.0/19
inetnum:     177.130.160.0/19
inetnum:     179.189.160.0/19
inetnum:     191.240.0.0/17
inetnum:     191.53.0.0/16

nic-hdl-br:  ADMAS5
person:      Administrativo MasterCabo
e-mail:      ip_engineering@soumaster.com.br
country:     BR
created:     20080402
changed:     20240228

% 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" : "AS28202",
    "country" : "BR",
    "admin_contacts" : [ "ADMAS5" ],
    "tech_contacts" : [ "ADMAS5" ],
    "abuse_contacts" : [ "ADMAS5" ],
    "date_created" : "2008-04-09",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "01.766.744/0001-84",
    "name" : "MASTER S/A",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ADMAS5" ],
    "date_created" : "2008-04-09",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "ADMAS5",
    "country" : "BR",
    "email" : [ "ip_engineering@soumaster.com.br" ],
    "date_created" : "2008-04-02",
    "date_updated" : "2024-02-28",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ADMAS5",
    "country" : "BR",
    "email" : [ "ip_engineering@soumaster.com.br" ],
    "date_created" : "2008-04-02",
    "date_updated" : "2024-02-28",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ADMAS5",
    "country" : "BR",
    "email" : [ "ip_engineering@soumaster.com.br" ],
    "date_created" : "2008-04-02",
    "date_updated" : "2024-02-28",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS268624	Gamers Club Ltda	BR
AS266265	ABEL F DOS SANTOS ME	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS274549	HEAVEN SYSTEM	BR
AS264919	Ultraceu Ltda	BR
AS262779	Rede Exitus Ltda	BR
AS198150	SIACOM JSC	GE
AS14537	Continent 8 LLC	US
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS37468	Angola Cables	AO
AS269416	SEMEAR TELECOM EIRELI	BR
AS266591	GLOBAL JOBS NET LTDA ME	BR
AS262588	EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES	BR
AS266062	R2 DADOS LTDA ME	BR
AS22548	Núcleo de Inf. e Coord. do Ponto BR NIC.BR	BR
AS267158	MG NET TELECOMUNICACOES LTDA ME	BR
AS1000	LINK AMERICAN	US
AS60503	FNX Tecnologia LTDA	BR
AS206735	Novelcomm LP	GR
AS268138	Thiago aparecido scaramuzza santana	BR
AS270888	V8 Telecom LTDA	BR
AS14840	BR.Digital Telecom	BR
AS263237	PowerHost Telecom SPA	CL
AS271398	FACILITUDE SERVICOS DE COMUNICAO LTDA	BR
AS267126	SHIELD TELECOM LTDA	BR
AS32590	Valve Corporation	US
AS53062	ACESSOLINE TELECOMUNICACOES LTDA	BR
AS61624	INFNOC TECNOLOGIA LTDA	BR
AS12735	TurkNet Iletisim Hizmetleri A.S.	TR
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS263541	IMF NETWORK DATA LTDA ME	BR
AS266009	T2WEB SOLUCOES TECNOLOGICAS LTDA	BR
AS264358	PETRANET INTERNET LTDA	BR
AS60602	Inovare Prim SRL	MD
AS263321	ILOGNET PROVEDOR	BR
AS262364	VIASATDIGITAL TELECOM LTDA	BR
AS1031	PEER 1031 LLC	US
AS213622	Falcon FZE LLC	AE
AS262427	Invista Net Provedor de Acesso Ltda	BR
AS999	CORIX NETWORKS	US
AS52999	START NETWORKS S/A	BR
AS264479	Turbozone Internet	BR
AS266519	PROVERADIO TELECOM	BR
AS267613	ELETRONET S.A.	BR
AS266427	CINTIA AUXILIADORA DE ALCANTARA BARBOSA ME	BR
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS263152	MIGO TELECOM	BR
AS12741	Netia SA	PL
AS14868	LIGGA SERVICOS EM TELECOM S.A.	BR
AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	BR
AS11432	Telium Telecomunicações Ltda	BR
AS28634	Life Tecnologia Ltda.	BR
AS28917	Fiord Networks, UAB	LT
AS7713	Telekomunikasi Indonesia PT	ID
AS52873	Softdados Telecomunicações	BR
AS270613	Moov Internet	BR
AS132337	AXCLUSIVE PTE. LTD.	SG
AS267228	Sparks & Oliveira & Serv de Telecomunicações	BR
AS52695	NETFACIL LTDA ME	BR
AS61621	Norte.Net Telecomunicações Ltda	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS52320	GlobeNet Cabos Submarinos Colombia, S.A.S.	CO
AS6939	Hurricane Electric LLC	US
AS24961	WIIT AG	DE
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS7713	Telekomunikasi Indonesia PT	ID
AS53013	UFINET BRASIL S.A.	BR
AS33891	Core Backbone GmbH	DE
AS37468	Angola Cables	AO
AS13786	Seabras 1 USA, LLC	US
AS35280	F5 Networks SARL	FR
AS1031	PEER 1031 LLC	US
AS137409	GSL Networks Pty LTD	AU
AS61626	UNIVERSIDADE ESTADUAL DE PONTA GROSSA	BR

Downstreams

AS Number	Description	Country
AS266427	CINTIA AUXILIADORA DE ALCANTARA BARBOSA ME	BR
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR
AS266265	ABEL F DOS SANTOS ME	BR
AS274549	HEAVEN SYSTEM	BR
AS263955	8 Nove Telecomunicações LTDA	BR
AS264919	Ultraceu Ltda	BR
AS52612	Alt Informatica Ltda	BR
AS262779	Rede Exitus Ltda	BR
AS270613	Moov Internet	BR
AS267228	Sparks & Oliveira & Serv de Telecomunicações	BR
AS266591	GLOBAL JOBS NET LTDA ME	BR
AS52695	NETFACIL LTDA ME	BR
AS273422	gnet mais telecom	BR
AS52928	NORTETEL TELECOMUNICACOES LTDA	BR
AS264351	UNA TELECOMUNICAÇÕES LTDA	BR
AS266062	R2 DADOS LTDA ME	BR
AS267158	MG NET TELECOMUNICACOES LTDA ME	BR
AS267648	SPEEDNETMAIS TELECOMUNICAÇÕES LTDA ME	BR
AS273766	Rural Telecom	BR
AS271663	VICOM BRASIL INTERNET E TELECOM	BR
AS269308	ORBI SERVICOS E INTERNET LTDA	BR
AS264865	SUPER VIAS REDES INTEGRADAS LTDA.	BR
AS271398	FACILITUDE SERVICOS DE COMUNICAO LTDA	BR
AS266641	Lavrasnet Servicos de Provedor de Internet Ltda	BR
AS267126	SHIELD TELECOM LTDA	BR
AS269018	FIBER NET LTDA ME	BR
AS271516	UNAFIBER TELECOM LTDA	BR
AS262851	PLIM TELECOMUNICACOES LTDA ME	BR
AS263424	Fonelight Telecomunicações S/A	BR
AS264358	PETRANET INTERNET LTDA	BR
AS52893	F1 SOLUTIONS DATACENTER E TELECOMUNICACOES LTDA	BR
AS262364	VIASATDIGITAL TELECOM LTDA	BR
AS262393	A ALVES GOMES INFORMATICA ME	BR
AS53051	Com NT TELECOM LTDA ME	BR

ASN Lookup Tool

ASN Summary