ASN Lookup Tool

CASTILHOS PROVEDOR DE INTERNET LTDA castilhonet.psi.br BR BR 2 Routes

AS Data

AS275647

AS275647 – CASTILHOS PROVEDOR DE INTERNET LTDA

AS Number 275647
AS Name 17.875.842/0001-90
Organization CASTILHOS PROVEDOR DE INTERNET LTDA()
Country BR
Website castilhonet.psi.br
Number of IPv4 Routes 1
Number of IPv6 Routes 1
ASN type ISP
Registry lacnic
Date Allocated 2026-02-10

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Use ASN data for AS275647 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
45.181.147.0/24 256
2804:97d0::/32 ~79×10²⁷

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.
% 2026-03-16T09:23:03-03:00 - 188.241.205.14

aut-num:     AS275647
owner:       CASTILHOS PROVEDOR DE INTERNET LTDA
ownerid:     17.875.842/0001-90
responsible: VALTEIR DUTRA DE CASTILHOS
country:     BR
owner-c:     VADCA45
routing-c:   VADCA45
abuse-c:     VADCA45
created:     20260210
changed:     20260216
inetnum:     2804:97d0::/32
inetnum:     45.181.147.0/24
as-in:       from AS263629 100 accept ANY
as-in:       from AS272648 100 accept ANY
as-out:      to AS263629 announce AS275647
as-out:      to AS272648 announce AS275647

nic-hdl-br:  VADCA45
person:      Valteir Dutra de Castilhos
e-mail:      valteir@castilhonet.psi.br
country:     BR
created:     20200814
changed:     20260129

% 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
AS263629 MASTER TECNOLOGIA BR
AS272648 STARTNET PROVEDOR E INFORMATICA LTDA ME BR
AS263629 VIBRA ARTEFATOS LTDA BR

Upstreams

AS Number Description Country
AS272648 STARTNET PROVEDOR E INFORMATICA LTDA ME BR
AS263629 VIBRA ARTEFATOS LTDA BR

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Frequently Asked Questions

ASN AS275647 is an Autonomous System Number used to identify a network for BGP internet routing.
AS275647 is listed under CASTILHOS PROVEDOR DE INTERNET 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.