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AS273473 FLASHNET TELECOMUNICACOES LTDA

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

FLASHNET TELECOMUNICACOES LTDA flashnetsp.com.br

BR 7 Routes

AS Data

AS273473

AS273473 – FLASHNET TELECOMUNICACOES LTDA

AS Number	273473
AS Name	53.063.928/0001-81
Organization	FLASHNET TELECOMUNICACOES LTDA
Country	BR
Website	flashnetsp.com.br
Number of IPv4 Routes	0
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2024-03-12

ASN Intelligence API for production workflows

Use ASN data for AS273473 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:8f2c:4000::/34	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~20×10²⁷
2804:8f2c:8000::/34	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~20×10²⁷
2804:8f2c:8000::/33	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~40×10²⁷
2804:8f2c::/32	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~79×10²⁷
2804:8f2c:c000::/34	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~20×10²⁷
2804:8f2c::/34	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~20×10²⁷
2804:8f2c::/33	AS273473	FLASHNET TELECOMUNICACOES LTDA	FLASHNET TELECOMUNICACOES LTDA	~40×10²⁷

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.
% 2026-05-02T09:25:49-03:00 - 136.227.167.223

aut-num:     AS273473
owner:       FLASHNET TELECOMUNICACOES LTDA
ownerid:     53.063.928/0001-81
responsible: MAX WILLIAM FURLAN
country:     BR
owner-c:     MAWFU1
routing-c:   MAWFU1
abuse-c:     MAWFU1
created:     20240312
changed:     20250128
inetnum:     2804:8f2c::/32
as-in:       from AS61855 100 accept ANY
as-out:      to AS61855 announce AS273473

nic-hdl-br:  MAWFU1
person:      Max William Furlan
e-mail:      sac@flashnetsp.com.br
country:     BR
created:     20170321
changed:     20250128

% 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

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS273473",
    "country" : "BR",
    "admin_contacts" : [ "MAWFU1" ],
    "tech_contacts" : [ "MAWFU1" ],
    "abuse_contacts" : [ "MAWFU1" ],
    "date_created" : "2024-03-12",
    "date_updated" : "2025-01-28",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "53.063.928/0001-81",
    "name" : "FLASHNET TELECOMUNICACOES LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "MAWFU1" ],
    "date_created" : "2024-03-12",
    "date_updated" : "2025-01-28",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "MAWFU1",
    "country" : "BR",
    "email" : [ "sac@flashnetsp.com.br" ],
    "date_created" : "2017-03-21",
    "date_updated" : "2025-01-28",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "MAWFU1",
    "country" : "BR",
    "email" : [ "sac@flashnetsp.com.br" ],
    "date_created" : "2017-03-21",
    "date_updated" : "2025-01-28",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MAWFU1",
    "country" : "BR",
    "email" : [ "sac@flashnetsp.com.br" ],
    "date_created" : "2017-03-21",
    "date_updated" : "2025-01-28",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS60602	Inovare-Prim SRL	MD
AS263991	WFNET INTERNET LTDA	BR
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS9498	Bharti Airtel Ltd	IN
AS270052	STARTELECOM S.A.	PY

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS35280	F5 Networks SARL	FR
AS14840	BR.Digital Telecom	BR
AS263991	WFNET INTERNET LTDA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS61855	NOVA NET TECNOLOGIA LTDA ME	BR

Downstreams

AS Number	Description	Country
AS266544	GLINK TECNOLOGIA LTDA	BR

Frequently Asked Questions

What is ASN AS273473?

ASN AS273473 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS273473?

AS273473 is listed under FLASHNET TELECOMUNICACOES LTDA.

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.