ASN AS28239 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28239?

AS28239 is listed under IWserver Internet Banda Larga Ltda..

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.

AS28239 IWserver Internet Banda Larga Ltda.

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Legacy Routes

IWserver Internet Banda Larga Ltda. iw.net.br

BR 22 Routes

AS Data

AS28239

AS28239 – IWserver Internet Banda Larga Ltda.

AS Number	28239
AS Name	06.212.876/0001-88
Organization	IWserver Internet Banda Larga Ltda.
Country	BR
Website	iw.net.br
Number of IPv4 Routes	20
Number of IPv6 Routes	2
ASN type	ISP
Registry	lacnic
Date Allocated	2008-08-12

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Use ASN data for AS28239 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:988:4000::/34	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	~20×10²⁷
187.0.158.0/23	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	512
187.0.144.0/22	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	1024
2804:988::/34	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	~20×10²⁷
187.0.152.0/22	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	1024
187.0.144.0/23	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	512
186.235.116.0/22	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	1024
186.235.112.0/22	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	1024
187.0.146.0/23	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga Ltda.	512
187.0.156.0/22	AS28239	IWserver Internet Banda Larga Ltda.	IWserver Internet Banda Larga 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.
% 2026-04-01T09:27:14-03:00 - 136.227.177.175

aut-num:     AS28239
owner:       IWserver Internet Banda Larga Ltda.
ownerid:     06.212.876/0001-88
responsible: Marcos Paulo Milani
country:     BR
owner-c:     MPM24
routing-c:   MPM24
abuse-c:     MPM24
created:     20080812
changed:     20130306
inetnum:     187.0.144.0/20
inetnum:     186.235.112.0/21
inetnum:     2804:988::/32

nic-hdl-br:  MPM24
person:      Marcos Paulo Milani
e-mail:      marcos.paulo@iw.net.br
country:     BR
created:     19990824
changed:     20190129

% 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" : "AS28239",
    "country" : "BR",
    "admin_contacts" : [ "MPM24" ],
    "tech_contacts" : [ "MPM24" ],
    "abuse_contacts" : [ "MPM24" ],
    "date_created" : "2008-08-12",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "06.212.876/0001-88",
    "name" : "IWserver Internet Banda Larga Ltda.",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "MPM24" ],
    "date_created" : "2008-08-12",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "MPM24",
    "country" : "BR",
    "email" : [ "marcos.paulo@iw.net.br" ],
    "date_created" : "1999-08-24",
    "date_updated" : "2019-01-29",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "MPM24",
    "country" : "BR",
    "email" : [ "marcos.paulo@iw.net.br" ],
    "date_created" : "1999-08-24",
    "date_updated" : "2019-01-29",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MPM24",
    "country" : "BR",
    "email" : [ "marcos.paulo@iw.net.br" ],
    "date_created" : "1999-08-24",
    "date_updated" : "2019-01-29",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS9498	Bharti Airtel Limited	IN
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS269416	SEMEAR TELECOM EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS9498	Bharti Airtel Limited	IN
AS35280	F5 Networks SARL	FR
AS14840	BR.Digital Telecom	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS7713	Telekomunikasi Indonesia PT	ID
AS3356	Level 3 Parent, LLC	US

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ASN Summary

AS28239 – IWserver Internet Banda Larga Ltda.

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