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AS274552 Cesar De Freitas Souza

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Cesar De Freitas Souza

BR 7 Routes

AS Data

AS274552

AS274552 – Cesar De Freitas Souza

AS Number	274552
AS Name
Organization	Cesar De Freitas Souza
Country	BR
Number of IPv4 Routes	0
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2025-09-29

ASN Intelligence API for production workflows

Use ASN data for AS274552 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	ISP	# IPs
2804:95dc:8000::/34	AS0	Cesar De Freitas Souza	~20×10²⁷
2804:95dc:4000::/34	AS0	Cesar De Freitas Souza	~20×10²⁷
2804:95dc::/33	AS0	Cesar De Freitas Souza	~40×10²⁷
2804:95dc:c000::/34	AS0	Cesar De Freitas Souza	~20×10²⁷
2804:95dc::/32	AS0	Cesar De Freitas Souza	~79×10²⁷
2804:95dc:8000::/33	AS0	Cesar De Freitas Souza	~40×10²⁷
2804:95dc::/34	AS0	Cesar De Freitas Souza	~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.
% 2026-08-20T09:25:43-03:00 - 193.46.204.181

aut-num:     AS274552
owner:       Cesar De Freitas Souza
responsible: Cesar De Freitas Souza
owner-c:     CEFSO79
routing-c:   CEFSO79
abuse-c:     CEFSO79
created:     20250929
changed:     20250929
inetnum:     2804:95dc::/32

nic-hdl-br:  CEFSO79
person:      Cesar de Freitas Souza
created:     20230509
changed:     20230509

% 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
AS52928	NORTETEL TELECOMUNICACOES LTDA	BR
AS262606	MICROTELL SCM LTDA	BR

Upstreams

AS Number	Description	Country
AS52928	NORTETEL TELECOMUNICACOES LTDA	BR

Downstreams

AS Number	Description	Country
AS262606	MICROTELL SCM LTDA	BR

Frequently Asked Questions

What is ASN AS274552?

ASN AS274552 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS274552?

AS274552 is listed under Cesar De Freitas Souza.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.