ASN Lookup Tool

C & M Software Ltda. cmsw.com BR BR 9 Routes

AS Data

AS53083

AS53083C & M Software Ltda.

AS Number 53083
AS Name 03.215.009/0001-08
Organization C & M Software Ltda.()
Country BR
Website cmsw.com
Number of IPv4 Routes 9
Number of IPv6 Routes 0
ASN type BUSINESS
Registry lacnic
Date Allocated 2009-10-14

ASN Intelligence API for production workflows

Use ASN data for AS53083 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
187.33.112.0/23 512
187.33.112.0/21 2048
187.33.120.0/21 2048
187.33.126.0/24 256
187.33.124.0/24 256
187.33.114.0/23 512
187.33.112.0/24 256
187.33.112.0/20 4096
187.33.113.0/24 256

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.
% 2026-03-12T08:03:08-03:00 - 136.227.173.144

aut-num:     AS53083
owner:       C & M Software Ltda.
ownerid:     03.215.009/0001-08
responsible: Suporte CM Software
country:     BR
owner-c:     SUDCM
routing-c:   SUDCM
abuse-c:     SUDCM
created:     20091014
changed:     20230821
inetnum:     187.33.112.0/20
as-in:       from AS4230 50 accept AS4230
as-in:       from AS22381 50 accept AS22381
as-in:       from AS17222 50 accept AS17222
as-in:       from AS10429 50 accept AS10429
as-in:       from AS4230 150 accept ANY
as-in:       from AS22381 150 accept ANY
as-in:       from AS17222 150 accept ANY
as-in:       from AS10429 150 accept ANY
as-out:      to AS4230 announce AS53083
as-out:      to AS22381 announce AS53083
as-out:      to AS17222 announce AS53083
as-out:      to AS10429 announce AS53083

nic-hdl-br:  SUDCM
person:      Suporte Dominios CM
e-mail:      dominio@cmsw.com
country:     BR
created:     20080721
changed:     20251209

% 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
AS17222 MUNDIVOX DO BRASIL LTDA BR
AS10429 TELEFÔNICA BRASIL S.A BR
AS10429 TELEF�NICA BRASIL S.A BR
AS18881 TELEFÔNICA BRASIL S.A BR
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS17222 MUNDIVOX DO BRASIL LTDA BR
AS10429 TELEF�NICA BRASIL S.A BR
AS4230 CLARO S.A. BR

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Frequently Asked Questions

ASN AS53083 is an Autonomous System Number used to identify a network for BGP internet routing.
AS53083 is listed under C & M Software 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.