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AS28606 FSOnline Internet | IPGeolocation.io

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

FSOnline Internet itm.net.br

BR 9 Routes

AS Data

AS28606

AS28606 – FSOnline Internet

AS Number	28606
AS Name	05.658.929/0001-26
Organization	FSOnline Internet
Country	BR
Website	itm.net.br
Number of IPv4 Routes	8
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2005-08-10

ASN Intelligence API for production workflows

Use ASN data for AS28606 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.59.112.0/23	AS28606	FSOnline Internet	FSOnline Internet	512
201.20.160.0/24	AS28606	FSOnline Internet	FSOnline Internet	256
201.20.170.0/23	AS28606	FSOnline Internet	FSOnline Internet	512
201.20.160.0/21	AS28606	FSOnline Internet	FSOnline Internet	2048
138.59.115.0/24	AS28606	FSOnline Internet	FSOnline Internet	256
2804:44::/32	AS28606	FSOnline Internet	FSOnline Internet	~79×10²⁷
138.59.112.0/22	AS28606	FSOnline Internet	FSOnline Internet	1024
201.20.168.0/21	AS28606	FSOnline Internet	FSOnline Internet	2048
201.20.160.0/20	AS28606	FSOnline Internet	FSOnline Internet	4096

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.
% 2026-04-25T09:25:35-03:00 - 136.227.161.4

aut-num:     AS28606
owner:       FSOnline Internet
ownerid:     05.658.929/0001-26
responsible: Cesar Fazan
country:     BR
owner-c:     ITA34
routing-c:   ITA34
abuse-c:     ITA34
created:     20050810
changed:     20130306
inetnum:     201.20.160.0/20
inetnum:     2804:44::/32
inetnum:     138.59.112.0/22

nic-hdl-br:  ITA34
person:      ITM Tecnologia de Redes - Administrativo
e-mail:      registro.adm@itm.net.br
country:     BR
created:     20060310
changed:     20210831

% 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" : "AS28606",
    "country" : "BR",
    "admin_contacts" : [ "ITA34" ],
    "tech_contacts" : [ "ITA34" ],
    "abuse_contacts" : [ "ITA34" ],
    "date_created" : "2005-08-10",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "05.658.929/0001-26",
    "name" : "FSOnline Internet",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ITA34" ],
    "date_created" : "2005-08-10",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "ITA34",
    "country" : "BR",
    "email" : [ "registro.adm@itm.net.br" ],
    "date_created" : "2006-03-10",
    "date_updated" : "2021-08-31",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ITA34",
    "country" : "BR",
    "email" : [ "registro.adm@itm.net.br" ],
    "date_created" : "2006-03-10",
    "date_updated" : "2021-08-31",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ITA34",
    "country" : "BR",
    "email" : [ "registro.adm@itm.net.br" ],
    "date_created" : "2006-03-10",
    "date_updated" : "2021-08-31",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS7195	EDGEUNO S.A.S	CO
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
AS14840	BR.Digital Telecom	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52566	SISALWEB INTERNET	BR
AS53087	TELY Ltda.	BR
AS270671	Melo Oliveira Informática Ltda ME	BR

Downstreams

AS Number	Description	Country
AS61906	UNIMAX TELECOM	BR
AS270671	Melo Oliveira Informática Ltda ME	BR

Frequently Asked Questions

What is ASN AS28606?

ASN AS28606 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28606?

AS28606 is listed under FSOnline Internet.

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.