ASN Lookup Tool

Claro NXT Telecomunicacoes Ltda claro.com.br BR BR 10263 Routes

AS Data

AS28573

AS28573 – Claro NXT Telecomunicacoes Ltda

AS Number 28573
AS Name 66.970.229/0001-67
Organization Claro NXT Telecomunicacoes Ltda
Country BR
Website claro.com.br
Number of IPv4 Routes 5355
Number of IPv6 Routes 2238
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.
% 2026-10-01T07:59:31-03:00 - 190.123.209.69

aut-num:     AS28573
owner:       Claro NXT Telecomunicacoes Ltda
ownerid:     66.970.229/0001-67
responsible: Suporte Redes
country:     BR
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
e-mail:      virtua@virtua.com.br
country:     BR
created:     20080512
changed:     20260924

nic-hdl-br:  CADSA1060
person:      Carlos Alberto dos Santos
e-mail:      engenharia.virtua@claro.com.br
country:     BR
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
AS199081 Lancom Ltd. GR
AS263903 INFORBARRA TELECOM BR
AS7195 EDGEUNO S.A.S CO
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS266142 Bahiadados Telecom Ltda. BR
AS22356 Durand do Brasil Ltda BR
AS198150 SIACOM JSC GE
AS4230 CLARO S.A. BR
AS267256 ONETIS TECNOLOGIA LTDA BR
AS269416 SEMEAR TELECOM EIRELI BR
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS270052 STARTELECOM S.A. PY
AS262588 EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES BR
AS266400 Ferenz Networks BR
AS1000 LINK AMERICAN US
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS263661 BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO BR
AS34224 Neterra Ltd. BG
AS206735 Novelcomm LP GR
AS268138 Thiago aparecido scaramuzza santana BR
AS270888 V8 Telecom LTDA BR
AS265197 são miguel telecomunicações e informática ltda m BR
AS14840 BR.Digital Telecom BR
AS37721 Virtual Technologies & Solutions BF
AS61573 IP TELECOM BR
AS263237 PowerHost Telecom SPA CL
AS53062 ACESSOLINE TELECOMUNICACOES LTDA BR
AS61680 ACESSO SIMPLES LTDA BR
AS57463 NetIX Communications JSC BG
AS61624 INFNOC TECNOLOGIA LTDA BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS28663 FLYS INTERATIVA LTDA BR
AS28624 PROVEDORA CMA INTERNET LTDA BR
AS266009 T2WEB SOLUCOES TECNOLOGICAS LTDA BR
AS263321 ILOGNET PROVEDOR BR
AS1031 PEER 1031 LLC US
AS213622 Falcon FZE LLC AE
AS262427 Invista Net Provedor de Acesso Ltda BR
AS262355 VSX Networks BR
AS52999 START NETWORKS S/A BR
AS999 CORIX NETWORKS US
AS61622 VIA MS SOLUCOES DIGITAIS BR
AS264479 Turbozone Internet BR
AS266519 PROVERADIO TELECOM BR
AS267613 ELETRONET S.A. BR
AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS24482 SG.GS SG
AS12741 Netia SA PL
AS263152 MIGO TELECOM BR
AS14868 LIGGA SERVICOS EM TELECOM S.A. BR
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S. CO
AS28598 DB3 SERVICOS DE TELECOMUNICACOES S.A BR
AS23106 AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT BR
AS274676 MULTIWAY COMERCIO E REPRESENTACOES LTDA BR
AS266213 PLANETCLICK TELECOMUNICACOES LTDA BR
AS7713 Telekomunikasi Indonesia PT ID
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS269641 RURALNET BRASIL BR
AS36236 NetActuate, Inc US
AS61621 Norte.Net Telecomunicações Ltda BR

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS7195 EDGEUNO S.A.S CO
AS14840 BR.Digital Telecom BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS7713 Telekomunikasi Indonesia PT ID
AS28663 FLYS INTERATIVA LTDA BR
AS22356 Durand do Brasil Ltda BR
AS4230 CLARO S.A. BR
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS13786 Seabras 1 USA, LLC US
AS35280 F5 Networks SARL FR
AS16735 ALGAR TELECOM S/A BR
AS137409 GSL Networks Pty LTD AU
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.