ASN AS28204 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28204?

AS28204 is listed under Keraxweb Serviços de Int. e Internet 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.

AS28204 Keraxweb Serviços de Int. e Internet Ltda

ASN Lookup Tool

Keraxweb Serviços de Int. e Internet Ltda intervel.com.br

BR 15 Routes

AS Data

AS28204

AS28204 – Keraxweb Serviços de Int. e Internet Ltda

AS Number	28204
AS Name	11.045.926/0001-10
Organization	Keraxweb Serviços de Int. e Internet Ltda
Country	BR
Website	intervel.com.br
Number of IPv4 Routes	14
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2008-04-11

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Use ASN data for AS28204 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
189.91.52.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.60.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.49.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.56.0/22	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	1024
189.91.58.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.53.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.51.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	256
189.91.59.0/24	AS28204	Keraxweb Serviços de Int. e Internet Ltda	CORPOREOS SERVICOS ESTETICOS LTDA	256
189.91.52.0/23	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	512
2804:414c::/32	AS28204	Keraxweb Serviços de Int. e Internet Ltda	Keraxweb Serviços de Int. e Internet Ltda	~79×10²⁷

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.
% 2026-05-15T09:26:46-03:00 - 149.19.238.247

aut-num:     AS28204
owner:       Keraxweb Servi�os de Int. e Internet Ltda
ownerid:     11.045.926/0001-10
responsible: NOC Keraxweb
country:     BR
owner-c:     PIJ8
routing-c:   THMQU
abuse-c:     THMQU
created:     20080411
changed:     20190214
inetnum:     189.91.48.0/20
inetnum:     2804:414c::/32

nic-hdl-br:  PIJ8
person:      Pimentel Junior
e-mail:      junior@intervel.com.br
country:     BR
created:     20030715
changed:     20231023

nic-hdl-br:  THMQU
person:      Thiago Maggi Quartiero
e-mail:      noc@unatelecom.com.br
country:     BR
created:     20080226
changed:     20221026

% 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" : "AS28204",
    "country" : "BR",
    "admin_contacts" : [ "PIJ8" ],
    "tech_contacts" : [ "THMQU" ],
    "abuse_contacts" : [ "THMQU" ],
    "date_created" : "2008-04-11",
    "date_updated" : "2019-02-14",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "11.045.926/0001-10",
    "name" : "Keraxweb Servi?os de Int. e Internet Ltda",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "THMQU" ],
    "date_created" : "2008-04-11",
    "date_updated" : "2019-02-14",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "PIJ8",
    "country" : "BR",
    "email" : [ "junior@intervel.com.br" ],
    "date_created" : "2003-07-15",
    "date_updated" : "2023-10-23",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "THMQU",
    "country" : "BR",
    "email" : [ "noc@unatelecom.com.br" ],
    "date_created" : "2008-02-26",
    "date_updated" : "2022-10-26",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "THMQU",
    "country" : "BR",
    "email" : [ "noc@unatelecom.com.br" ],
    "date_created" : "2008-02-26",
    "date_updated" : "2022-10-26",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
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
AS40850	UPIX NETWORKS INTERNATIONAL LLC	US
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS269416	SEMEAR TELECOM EIRELI	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS14840	BR.Digital Telecom	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS7713	Telekomunikasi Indonesia PT	ID
AS40850	UPIX NETWORKS INTERNATIONAL LLC	US
AS263471	Intervel Informatica Ltda	BR

Downstreams

AS Number	Description	Country
AS263471	Intervel Informatica Ltda	BR