ASN Lookup Tool

Claro NXT Telecomunicacoes Ltda BR BR 6396 Routes

AS Data

AS28573

AS28573 – Claro NXT Telecomunicacoes Ltda

AS Number 28573
AS Name
Organization Claro NXT Telecomunicacoes Ltda
Country BR
Number of IPv4 Routes 4397
Number of IPv6 Routes 1999
ASN type ISP
Registry lacnic
Date Allocated 2003-11-27

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IP Ranges

Route # IPs
187.64.103.0/24 256
2804:14d:1800::/40 ~309×10²⁴
181.216.80.0/22 1024
191.191.119.0/24 256
189.123.32.0/22 1024
2804:14c:653c::/48 ~1×10²⁴
189.35.184.0/21 2048
186.222.23.0/24 256
191.190.103.0/24 256
179.235.248.0/21 2048

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.
% 2026-04-01T09:31:07-03:00 - 134.199.89.167

aut-num:     AS28573
owner:       Claro NXT Telecomunicacoes Ltda
responsible: Suporte Redes
owner-c:     GRSVI
routing-c:   CADSA1060
abuse-c:     GRSVI
created:     20031127
changed:     20230105
inetnum:     200.189.80.0/20
inetnum:     200.160.96.0/20
inetnum:     201.6.0.0/16
inetnum:     201.17.0.0/16
inetnum:     201.21.0.0/16
inetnum:     201.37.0.0/16
inetnum:     201.52.0.0/15
inetnum:     201.46.240.0/20
inetnum:     201.55.224.0/20
inetnum:     201.62.96.0/19
inetnum:     201.74.0.0/16
inetnum:     201.76.16.0/20
inetnum:     201.80.0.0/14
inetnum:     201.76.64.0/19
inetnum:     201.77.64.0/20
inetnum:     201.94.160.0/19
inetnum:     201.75.0.0/16
inetnum:     189.4.0.0/14
inetnum:     189.29.0.0/16
inetnum:     189.32.0.0/14
inetnum:     189.39.144.0/20
inetnum:     189.54.0.0/15
inetnum:     189.60.0.0/14
inetnum:     189.100.0.0/14
inetnum:     189.120.0.0/14
inetnum:     189.126.16.0/20
inetnum:     187.2.0.0/15
inetnum:     187.20.0.0/14
inetnum:     187.36.0.0/14
inetnum:     187.64.0.0/14
inetnum:     187.104.0.0/14
inetnum:     186.204.0.0/14
inetnum:     186.220.0.0/14
inetnum:     177.32.0.0/14
inetnum:     177.80.0.0/14
inetnum:     2804:14c::/31
inetnum:     177.140.0.0/14
inetnum:     177.180.0.0/14
inetnum:     177.192.0.0/14
inetnum:     179.232.0.0/14
inetnum:     179.208.0.0/14
inetnum:     179.212.0.0/14
inetnum:     179.216.0.0/14
inetnum:     179.220.0.0/14
inetnum:     179.152.0.0/14
inetnum:     179.156.0.0/14
inetnum:     191.176.0.0/14
inetnum:     191.180.0.0/14
inetnum:     191.184.0.0/14
inetnum:     191.188.0.0/14
inetnum:     181.216.0.0/13
inetnum:     187.180.0.0/14
inetnum:     177.235.0.0/16
inetnum:     179.105.0.0/16
inetnum:     181.213.0.0/16
inetnum:     187.255.0.0/16
inetnum:     177.64.0.0/15
inetnum:     187.122.0.0/15
inetnum:     2804:698::/32
inetnum:     177.100.0.0/16
inetnum:     177.127.0.0/16
inetnum:     186.218.0.0/16
inetnum:     189.14.128.0/18
inetnum:     200.170.0.0/18
inetnum:     200.218.32.0/19
inetnum:     200.155.192.0/18
inetnum:     179.136.0.0/14
inetnum:     179.140.0.0/15
inetnum:     179.142.0.0/15

nic-hdl-br:  GRSVI
person:      Grupo de Seguran�a V�rtua
created:     20080512
changed:     20230704

nic-hdl-br:  CADSA1060
person:      Carlos Alberto dos Santos
created:     20190207
changed:     20191217

% 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
AS7195 EDGEUNO S.A.S CO
AS9498 Bharti Airtel Limited IN
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS60602 Inovare-Prim SRL MD
AS266142 Bahiadados Telecom Ltda. BR
AS22356 Durand do Brasil Ltda BR
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS40850 UPIX NETWORKS INTERNATIONAL LLC US
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS7195 EDGEUNO S.A.S CO
AS9498 Bharti Airtel Limited IN
AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. BR
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S. CO
AS14840 BR.Digital Telecom BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS28663 FLYS INTERATIVA LTDA BR
AS7713 Telekomunikasi Indonesia PT ID
AS22356 Durand do Brasil Ltda BR

Downstreams

AS Number Description Country
AS13335 Cloudflare, Inc. US

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Frequently Asked Questions

ASN AS28573 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28573 is listed under Claro NXT Telecomunicacoes Ltda.
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.