ASN Lookup Tool

MLS Wireless S/A BR BR 44 Routes

AS Data

AS21571

AS21571MLS Wireless S/A

AS Number 21571
AS Name
Organization MLS Wireless S/A()
Country BR
Number of IPv4 Routes 44
Number of IPv6 Routes 0
ASN type ISP
Registry lacnic
Date Allocated 2001-11-20

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Use ASN data for AS21571 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
200.152.110.0/24 256
200.152.115.0/24 256
200.152.107.0/24 256
200.152.102.0/24 256
200.152.112.0/20 4096
201.23.234.0/24 256
201.23.233.0/24 256
200.152.106.0/24 256
201.23.224.0/19 8192
200.152.114.0/24 256

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.
% 2026-03-10T09:39:28-03:00 - 206.204.45.7

aut-num:     AS21571
owner:       MLS Wireless S/A
responsible: Rogerio Passy
owner-c:     MPI
routing-c:   MPI
abuse-c:     MPI
created:     20011120
changed:     20180829
inetnum:     200.152.96.0/20
inetnum:     200.152.112.0/20
inetnum:     201.23.224.0/19
as-in:       from AS3549 100 accept ANY
as-in:       from AS4230 200 accept ANY
as-in:       from AS28338 300 accept ANY
as-in:       from AS10688 400 accept {200.215.128.0/19}
as-out:      to AS3549 announce AS21571
as-out:      to AS4230 announce AS21571
as-out:      to AS28338 announce AS21571
as-out:      to AS3549 announce AS10688
as-out:      to AS4230 announce AS10688
as-out:      to AS28338 announce AS10688

nic-hdl-br:  MPI
person:      MLS Wireless SA
created:     19980128
changed:     20230929

% 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.

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21571
ASName:         LACNIC-21571
ASHandle:       AS21571
RegDate:        2002-07-27
Updated:        2007-12-17
Comment:        This AS is under LACNIC responsibility for further allocations to
Comment:        users in LACNIC region.
Comment:        Please see http://www.lacnic.net/ for further details, or check the
Comment:        WHOIS server located at http://whois.lacnic.net    
Ref:            https://rdap.arin.net/registry/autnum/21571

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  abuse@lacnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-ARIN

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  whois-contact@lacnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS10688 ISM AUTOMACAO S.A. BR
AS7195 EDGEUNO S.A.S CO
AS53062 ALT | GRUPO BRASIL TECPAR BR
AS6939 Hurricane Electric LLC US
AS266142 Bahiadados Telecom Ltda. BR
AS4230 CLARO S.A. BR
AS263009 FORTE TELECOM LTDA. BR
AS269416 SEMEAR TELECOM EIRELI BR
AS52965 1TELECOM SERVICOS DE TECNOLOGIA EM INTERNET LTDA BR

Upstreams

AS Number Description Country
AS7195 EDGEUNO S.A.S CO
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
AS3356 Level 3 Parent, LLC US
AS4230 CLARO S.A. BR

Downstreams

AS Number Description Country
AS10688 ISM AUTOMACAO S.A. BR

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Frequently Asked Questions

ASN AS21571 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21571 is listed under MLS Wireless S/A.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.