ASN Lookup Tool

Fundacao Casper Libero fcl.com.br BR BR 3 Routes

AS Data

AS28275

AS28275 – Fundacao Casper Libero

AS Number 28275
AS Name Fundacao Casper Libero
Organization Fundacao Casper Libero
Country BR
Website fcl.com.br
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type BUSINESS
Registry lacnic
Date Allocated 2007-03-22

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Use ASN data for AS28275 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
201.33.96.0/20 4096
201.33.96.0/21 2048
201.33.104.0/21 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.
% 2026-11-14T09:23:51-03:00 - 91.242.72.161

aut-num:     AS28275
owner:       Fundacao Casper Libero
responsible: William Rogerio de Oliveira
owner-c:     REFCL6
routing-c:   REFCL6
abuse-c:     REFCL6
created:     20070322
changed:     20250220
inetnum:     201.33.96.0/20
inetnum:     2801:80:100::/48

nic-hdl-br:  REFCL6
person:      Registar FCL
created:     20250218
changed:     20260821

% 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
AS6939 Hurricane Electric LLC US
AS266142 Bahiadados Telecom Ltda. BR
AS14537 Continent 8 LLC US
AS4230 CLARO S.A. BR
AS267256 ONETIS TECNOLOGIA LTDA BR
AS52965 1TELECOM SERVICOS DE TECNOLOGIA EM INTERNET LTDA BR
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS10429 TELEFÔNICA BRASIL S.A BR
AS22381 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS270052 STARTELECOM S.A. PY
AS262588 EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES BR
AS266400 Ferenz Networks BR
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS1000 LINK AMERICAN US
AS51185 MainStreaming SpA IT
AS263661 BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO BR
AS60503 FNX Tecnologia LTDA BR
AS16552 Tiggee LLC US
AS268138 Thiago aparecido scaramuzza santana BR
AS18782 Thera Telecom BR
AS270888 V8 Telecom LTDA BR
AS265197 são miguel telecomunicações e informática ltda m BR
AS14840 BR.Digital Telecom BR
AS263237 PowerHost Telecom SPA CL
AS61573 IP TELECOM BR
AS32590 Valve Corporation US
AS53062 ACESSOLINE TELECOMUNICACOES LTDA BR
AS61624 INFNOC TECNOLOGIA LTDA BR
AS28624 PROVEDORA CMA INTERNET LTDA BR
AS263541 IMF NETWORK DATA LTDA ME BR
AS263321 ILOGNET PROVEDOR BR
AS266959 SKYINF SOLUCOES EM TECNOLOGIA DE INFORMACAO LTDA BR
AS213622 Falcon FZE LLC AE
AS27720 CITTA TELECOM LTDA BR
AS262427 Invista Net Provedor de Acesso Ltda BR
AS52999 START NETWORKS S/A BR
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
AS263152 MIGO TELECOM BR
AS265192 Mnet LTDA BR
AS28634 Life Tecnologia Ltda. BR
AS266213 PLANETCLICK TELECOMUNICACOES LTDA BR
AS264409 Huge Solucoes Corporativas Ltda BR
AS52873 Softdados Telecomunicações BR
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS269641 RURALNET BRASIL BR
AS36236 NetActuate, Inc US
AS6424 EDGOO NETWORKS UNIPESSOAL LDA PT
AS28140 G2G INTERNET E SERVICOS DE TELECOM LTDA BR
AS268976 Weclix Telecom S/A BR
AS262791 NETWAY SVA LTDA BR
AS53202 Acesso10 Telecom BR
AS269115 TELECOM PROVEDORES E REDES DE COMUNICAÇÃO BR
AS39120 Convergenze S.p.A. IT
AS270765 VIVA PIXEL AGENCIA DIGITAL BR
AS28300 Speed Serviços de Internet Ltda BR

Upstreams

AS Number Description Country
AS10429 TELEFÔNICA BRASIL S.A BR
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS137409 GSL Networks Pty LTD AU
AS4230 CLARO S.A. BR
AS61626 UNIVERSIDADE ESTADUAL DE PONTA GROSSA BR

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Frequently Asked Questions

ASN AS28275 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28275 is listed under Fundacao Casper Libero.
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.