ASN Lookup Tool

CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA conceitosinformatica.com.br BR BR 5 Routes

AS Data

AS28257

AS28257CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA

AS Number 28257
AS Name 05.548.307/0001-45
Organization CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA()
Country BR
Website conceitosinformatica.com.br
Number of IPv4 Routes 4
Number of IPv6 Routes 1
ASN type ISP
Registry lacnic
Date Allocated 2013-05-02

ASN Intelligence API for production workflows

Use ASN data for AS28257 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
138.36.140.0/22 1024
177.129.41.0/24 256
2804:db4::/32 ~79×10²⁷
186.225.80.0/20 4096
177.129.40.0/21 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.
% 2026-03-20T09:25:34-03:00 - 136.227.187.208

aut-num:     AS28257
owner:       CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA
ownerid:     05.548.307/0001-45
responsible: GEILSON DE SOUSA ARAUJO
country:     BR
owner-c:     GESAR4
routing-c:   EDALM66
abuse-c:     EDALM66
created:     20130502
changed:     20220314
inetnum:     177.129.40.0/21
inetnum:     2804:db4::/32
inetnum:     138.36.140.0/22
inetnum:     186.225.80.0/20
as-in:       from AS61832 100 accept ANY
as-in:       from AS26162 100 accept ANY
as-in:       from AS264564 100 accept ANY
as-out:      to AS61832 announce AS28257
as-out:      to AS26162 announce AS28257
as-out:      to AS264564 announce AS28257
as-out:      to AS268975 announce ANY
as-out:      to AS266363 announce ANY

nic-hdl-br:  GESAR4
person:      geilson de sousa araujo
e-mail:      geilson@conceitosinformatica.com.br
country:     BR
created:     20080428
changed:     20240406

nic-hdl-br:  EDALM66
person:      Edsongley Almeida
e-mail:      edsongley@gmail.com
country:     BR
created:     20120814
changed:     20241230

% 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
AS266363 G & M SERVICOS DE COMUNICACAO E MULTIMIDIA LTDA ME BR
AS268975 GLOBAL TELECOM SERVICOS DE COMUNICACAO E MULTIMIDI BR
AS12956 TELXIUS Cable ES
AS12956 TELEFONICA GLOBAL SOLUTIONS SL ES
AS264564 Telecab Telecomunicacoes Ltda BR
AS266363 G & M SERVICOS DE COMUNICACAO E MULTIMIDIA LTDA-ME BR

Upstreams

AS Number Description Country
AS12956 TELXIUS Cable ES
AS264564 Telecab Telecomunicacoes Ltda BR

Downstreams

AS Number Description Country
AS266363 G & M SERVICOS DE COMUNICACAO E MULTIMIDIA LTDA ME BR
AS268975 GLOBAL TELECOM SERVICOS DE COMUNICACAO E MULTIMIDI BR

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Frequently Asked Questions

ASN AS28257 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28257 is listed under CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA.
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.