ASN Lookup Tool

GUIFAMI Inform�tica Ltda. BR BR 27 Routes

AS Data

AS28370

AS28370GUIFAMI Inform�tica Ltda.

AS Number 28370
AS Name
Organization GUIFAMI Inform�tica Ltda.()
Country BR
Number of IPv4 Routes 25
Number of IPv6 Routes 2
ASN type BUSINESS
Registry lacnic
Date Allocated 2007-12-18

ASN Intelligence API for production workflows

Use ASN data for AS28370 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
187.45.152.0/24 256
187.45.156.0/22 1024
187.45.152.0/23 512
187.45.156.0/23 512
45.172.146.0/23 512
45.172.144.0/24 256
189.84.158.0/23 512
2804:591c:10::/44 ~19×10²⁴
187.45.153.0/24 256
189.84.144.0/20 4096

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.
% 2026-03-19T09:22:15-03:00 - 134.199.66.245

aut-num:     AS28370
owner:       GUIFAMI Inform�tica Ltda.
responsible: Carlos Eduardo Dias
owner-c:     AIP24
routing-c:   AIP24
abuse-c:     AIP24
created:     20071218
changed:     20130306
inetnum:     189.84.144.0/20
inetnum:     187.45.144.0/20
inetnum:     2804:591c::/32
inetnum:     45.172.144.0/22

nic-hdl-br:  AIP24
person:      3AX Internet Provider
created:     20001124
changed:     20211124

% 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
AS60602 Inovare-Prim SRL MD
AS14537 Continent 8 LLC US
AS198150 SIACOM JSC GE
AS28186 ITS TELECOMUNICACOES LTDA BR
AS269016 F T L Net Provedor de Internet Ltda- ME BR
AS273514 AMPLE SOLUCOES TECNOLOGICAS LTDA BR
AS269416 SEMEAR TELECOM EIRELI BR
AS199524 G-Core Labs S.A. LU

Upstreams

AS Number Description Country
AS268624 Gamers Club Ltda BR
AS39120 Convergenze S.p.A. IT
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS52925 Ascenty Data Centers e Telecomunica��es S/A BR
AS263237 PowerHost Telecom SPA CL
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS22356 Durand do Brasil Ltda BR
AS3356 Level 3 Parent, LLC US

Downstreams

AS Number Description Country
AS53079 MD Brasil Tecnologia da Informa��o Ltda BR
AS268198 StacaoNET Telecomunicacoes BR
AS269016 F T L Net Provedor de Internet Ltda ME BR
AS267556 Explorer Telecom Ltda ME BR
AS263060 At�lio Marcos Marcari e Cia Ltda Me BR
AS52593 Monte Alto Net Ltda BR
AS267608 Micheleto Internet Eireli BR
AS28657 MD Brasil Tecnologia da Informa��o Ltda BR
AS268521 PONTO.COM TELECOM BR
AS273514 AMPLE SOLUCOES TECNOLOGICAS LTDA BR

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Frequently Asked Questions

ASN AS28370 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28370 is listed under GUIFAMI Inform�tica 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.