ASN Lookup Tool

Claro NXT Telecomunicacoes Ltda claro.com.br BR BR 10276 Routes

AS Data

AS28573

AS28573 – Claro NXT Telecomunicacoes Ltda

AS Number 28573
AS Name Claro NXT Telecomunicacoes Ltda
Organization Claro NXT Telecomunicacoes Ltda
Country BR
Website claro.com.br
Number of IPv4 Routes 5530
Number of IPv6 Routes 2251
ASN type ISP
Registry lacnic
Date Allocated 2003-11-27

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IP Ranges

Route # IPs
177.127.36.0/23 512
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
2804:14d:72ad::/48 ~1×10²⁴
179.235.173.0/24 256
2804:14d:ed2d::/48 ~1×10²⁴
186.222.23.0/24 256
179.152.114.0/23 512
191.190.103.0/24 256
179.235.142.0/23 512
179.235.248.0/21 2048
187.106.0.0/20 4096
179.222.72.0/22 1024
187.64.41.0/24 256
2804:14d:5c5f:4000::/51 ~151×10²¹
177.100.76.0/24 256
186.222.0.0/21 2048
2804:14d:14bf::/48 ~1×10²⁴
2804:14c:5bda::/48 ~1×10²⁴
189.6.88.0/21 2048
179.155.245.0/24 256
179.105.176.0/20 4096
177.194.224.0/19 8192
179.216.16.0/20 4096
2804:14d:5cea:c000::/51 ~151×10²¹
187.23.149.0/24 256
201.21.158.0/24 256
181.222.184.0/22 1024
181.218.124.0/22 1024
187.181.240.0/21 2048
187.39.188.0/22 1024
177.100.1.0/24 256
191.191.120.0/22 1024
189.5.209.0/24 256
201.37.154.0/24 256
181.217.64.0/21 2048
2804:14d:ba5c::/48 ~1×10²⁴
191.177.161.0/24 256
187.21.53.0/24 256
179.105.0.0/22 1024
187.39.52.0/22 1024
177.82.236.0/22 1024
189.54.251.0/24 256
191.178.177.0/24 256
189.4.5.0/24 256
187.105.26.0/23 512
189.103.120.0/22 1024
2804:14d:5c5d:8000::/51 ~151×10²¹
2804:14c:5b26::/48 ~1×10²⁴
186.205.224.0/19 8192
2804:14d:ca82::/48 ~1×10²⁴
179.105.237.0/24 256
186.205.12.0/23 512
179.233.154.0/23 512
187.20.145.0/24 256

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.
% 2026-09-30T09:17:44-03:00 - 194.146.134.98

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:     20260924

nic-hdl-br:  CADSA1060
person:      Carlos Alberto dos Santos
created:     20190207
changed:     20260911

% 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
AS268624 Gamers Club Ltda BR
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS4230 CLARO S.A. BR
AS267256 ONETIS TECNOLOGIA LTDA BR
AS269416 SEMEAR TELECOM EIRELI BR
AS262588 EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES BR
AS1000 LINK AMERICAN US
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS206735 Novelcomm LP GR
AS268138 Thiago aparecido scaramuzza santana BR
AS270888 V8 Telecom LTDA BR
AS14840 BR.Digital Telecom BR
AS263237 PowerHost Telecom SPA CL
AS53062 ACESSOLINE TELECOMUNICACOES LTDA BR
AS61624 INFNOC TECNOLOGIA LTDA BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS28663 FLYS INTERATIVA LTDA BR
AS28624 PROVEDORA CMA INTERNET LTDA BR
AS263541 IMF NETWORK DATA LTDA ME BR
AS266009 T2WEB SOLUCOES TECNOLOGICAS LTDA BR
AS60602 Inovare Prim SRL MD
AS263321 ILOGNET PROVEDOR BR
AS1031 PEER 1031 LLC US
AS213622 Falcon FZE LLC AE
AS262427 Invista Net Provedor de Acesso Ltda BR
AS999 CORIX NETWORKS US
AS262355 VSX Networks BR
AS52999 START NETWORKS S/A BR
AS264479 Turbozone Internet BR
AS266519 PROVERADIO TELECOM BR
AS267613 ELETRONET S.A. BR
AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS12741 Netia SA PL
AS263152 MIGO TELECOM BR
AS14868 LIGGA SERVICOS EM TELECOM S.A. BR
AS28598 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS274676 MULTIWAY COMERCIO E REPRESENTACOES LTDA BR
AS23106 AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT BR
AS7713 Telekomunikasi Indonesia PT ID
AS132337 AXCLUSIVE PTE. LTD. SG
AS61621 Norte.Net Telecomunicações Ltda BR
AS269115 TELECOM PROVEDORES E REDES DE COMUNICAÇÃO BR
AS53202 Acesso10 Telecom BR
AS52925 Ascenty Data Centers e Telecomunicações S/A BR
AS39120 Convergenze S.p.A. IT
AS263444 Open X Tecnologia Ltda BR
AS28300 Speed Serviços de Internet Ltda BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS269783 WIND NET S.A. PY
AS262847 DBUG TELECOM LTDA BR
AS262494 Virtex Telecom BR
AS262740 VELOO NET LTDA BR
AS13786 Seabras 1 USA, LLC US
AS35280 F5 Networks SARL FR
AS16735 ALGAR TELECOM S/A BR
AS61884 OLLA COMUNICACAO LTDA BR
AS61626 UNIVERSIDADE ESTADUAL DE PONTA GROSSA BR
AS199081 Lancom Ltd. GR

Upstreams

AS Number Description Country
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS13786 Seabras 1 USA, LLC US
AS7195 EDGEUNO S.A.S CO
AS14840 BR.Digital Telecom BR
AS16735 ALGAR TELECOM S/A BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS28663 FLYS INTERATIVA LTDA BR
AS22356 Durand do Brasil Ltda BR
AS4230 CLARO S.A. BR
AS61626 UNIVERSIDADE ESTADUAL DE PONTA GROSSA 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.