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

ASN Lookup Tool

MASTER S/A

BR 1099 Routes

AS Data

AS28202

AS28202 – MASTER S/A

AS Number	28202
AS Name
Organization	MASTER S/A
Country	BR
Number of IPv4 Routes	1089
Number of IPv6 Routes	10
ASN type	BUSINESS
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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
177.44.57.0/24	AS28202	MASTER S/A	MASTER S/A	256
191.53.62.0/23	AS28202	MASTER S/A	MASTER S/A	512
191.240.14.0/24	AS28202	MASTER S/A	MASTER S/A	256
187.44.43.0/24	AS28202	MASTER S/A	MASTER S/A	256
177.44.26.0/23	AS28202	MASTER S/A	MASTER S/A	512
179.189.172.0/23	AS28202	MASTER S/A	MASTER S/A	512
191.240.74.0/24	AS28202	MASTER S/A	MASTER S/A	256
177.44.126.0/23	AS28202	MASTER S/A	MASTER S/A	512
189.91.0.0/19	AS28202	MASTER S/A	MASTER S/A	8192
177.44.86.0/23	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.
% 2026-04-10T09:24:41-03:00 - 213.159.11.164

aut-num:     AS28202
owner:       MASTER S/A
responsible: Engenharia de Redes
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
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

Peers

AS Number	Description	Country
AS271673	ST NET TELECOM	BR
AS11432	Telium Telecomunicaï¿½ï¿½es Ltda	BR
AS266265	ABEL F DOS SANTOS ME	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS53051	Com NT TELECOM LTDA - ME	BR
AS274549	HEAVEN SYSTEM	BR
AS60602	Inovare-Prim SRL	MD
AS264919	Ultraceu Ltda	BR
AS262779	Rede Exitus Ltda	BR
AS14537	Continent 8 LLC	US

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS29049	Delta Telecom Ltd	AZ
AS37468	Angola Cables	AO
AS13786	Seabras 1 USA, LLC	US
AS35280	F5 Networks SARL	FR
AS52320	GlobeNet Cabos Submarinos Colombia, S.A.S.	CO
AS1031	PEER 1031 LLC	US
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA

Downstreams

AS Number	Description	Country
AS266427	CINTIA AUXILIADORA DE ALCANTARA BARBOSA ME	BR
AS271673	ST NET TELECOM	BR
AS266265	ABEL F DOS SANTOS ME	BR
AS262663	METROFLEX TELECOMUNICACOES LTDA	BR
AS274549	HEAVEN SYSTEM	BR
AS264919	Ultraceu Ltda	BR
AS52612	Alt Informatica Ltda	BR
AS262779	Rede Exitus Ltda	BR
AS270613	Moov Internet	BR
AS52695	NETFACIL LTDA ME	BR