ASN Lookup Tool

Castrum Servicos Especializados ltda BR BR 14 Routes

AS Data

AS267293

AS267293 – Castrum Servicos Especializados ltda

AS Number 267293
AS Name
Organization Castrum Servicos Especializados ltda
Country BR
Number of IPv4 Routes 7
Number of IPv6 Routes 7
ASN type ISP
Registry lacnic
Date Allocated 2018-03-19

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Use ASN data for AS267293 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2804:4b40::/32 ~79×10²⁷
45.233.44.0/22 1024
2804:4b40::/33 ~40×10²⁷
45.233.45.0/24 256
2804:4b40:c000::/34 ~20×10²⁷
45.233.46.0/24 256
2804:4b40:8000::/34 ~20×10²⁷
2804:4b40:8000::/33 ~40×10²⁷
45.233.47.0/24 256
2804:4b40:4000::/34 ~20×10²⁷

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.
% 2026-04-25T09:14:53-03:00 - 121.91.185.212

aut-num:     AS267293
owner:       Castrum Servicos Especializados ltda
responsible: Celio Goncalves
owner-c:     CEGON12
routing-c:   CEGON12
abuse-c:     CEGON12
created:     20180319
changed:     20180319
inetnum:     45.233.44.0/22
inetnum:     2804:4b40::/32

nic-hdl-br:  CEGON12
person:      celio goncalves
created:     20110409
changed:     20230609

% 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
AS270548 AGI TELECOM LTDA BR

Upstreams

AS Number Description Country
AS270548 AGI TELECOM LTDA BR

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Frequently Asked Questions

ASN AS267293 is an Autonomous System Number used to identify a network for BGP internet routing.
AS267293 is listed under Castrum Servicos Especializados 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.