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 in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS273473 FLASHNET TELECOMUNICACOES LTDA

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.
% 2026-07-10T09:15:24-03:00 - 185.77.250.233

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
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS263661	BRASIL DIGITAL SERVIOS DE INFORMATICA E COMERCIO	BR
AS269416	SEMEAR TELECOM EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS270052	STARTELECOM S.A.	PY
AS262588	EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES	BR
AS266400	Ferenz Networks	BR
AS22548	Núcleo de Inf. e Coord. do Ponto BR NIC.BR	BR
AS1000	LINK AMERICAN	US
AS51185	MainStreaming SpA	IT
AS60503	FNX Tecnologia LTDA	BR
AS53062	GGNET TELECOMUNICACOES LTDA	BR
AS206735	Novelcomm LP	GR
AS16552	Tiggee LLC	US
AS268138	Thiago aparecido scaramuzza santana	BR
AS270888	V8 Telecom LTDA	BR
AS14840	BR.Digital Telecom	BR
AS263237	PowerHost Telecom SPA	CL
AS61573	IP TELECOM	BR
AS32590	Valve Corporation	US
AS57463	NetIX Communications JSC	BG
AS61855	NOVA NET TECNOLOGIA LTDA - ME	BR
AS61624	INFNOC TECNOLOGIA LTDA	BR
AS12735	TurkNet Iletisim Hizmetleri A.S.	TR
AS266544	GLINK TECNOLOGIA LTDA	BR
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS61855	NOVA NET TECNOLOGIA LTDA ME	BR
AS8801	Rocket Fibre Ltd	GB
AS263321	ILOGNET PROVEDOR	BR
AS266959	SKYINF SOLUCOES EM TECNOLOGIA DE INFORMACAO LTDA	BR
AS262427	Invista Net Provedor de Acesso Ltda	BR
AS264479	Turbozone Internet	BR
AS263541	IMF NETWORK DATA LTDA - ME	BR
AS24482	SG.GS	SG
AS263152	MIGO TELECOM	BR
AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	BR
AS11432	Telium Telecomunicações Ltda	BR
AS28634	Life Tecnologia Ltda.	BR
AS266213	PLANETCLICK TELECOMUNICACOES LTDA	BR
AS52873	Softdados Telecomunicações	BR
AS269641	RURALNET BRASIL	BR
AS36236	NetActuate, Inc	US
AS265197	são miguel telecomunicações e informatica ltda - m	BR
AS6424	EDGOO NETWORKS UNIPESSOAL LDA	PT
AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	BR
AS268976	Weclix Telecom S/A	BR
AS53202	Acesso10 Telecom	BR
AS39120	Convergenze S.p.A.	IT
AS28300	Speed Serviços de Internet Ltda	BR
AS22548	Núcleo de Inf. e Coord. do Ponto BR - NIC.BR	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS269783	WIND NET S.A.	PY
AS262462	Aranet Play	BR

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