What is ASN AS274389?

ASN AS274389 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS274389?

AS274389 is listed under F NET MASTER 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.

AS274389 F NET MASTER LTDA | IPGeolocation.io

ASN Lookup Tool

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

F NET MASTER LTDA dgtech.net.br

BR 8 Routes

AS Data

AS274389

AS274389 – F NET MASTER LTDA

AS Number	274389
AS Name	43.535.898/0001-05
Organization	F NET MASTER LTDA
Country	BR
Website	dgtech.net.br
Number of IPv4 Routes	1
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2025-12-12

ASN Intelligence API for production workflows

Use ASN data for AS274389 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:972c::/33	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~40×10²⁷
167.148.82.0/24	AS274389	F NET MASTER LTDA	f net master ltda	256
2804:972c:8000::/33	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~40×10²⁷
2804:972c::/32	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~79×10²⁷
2804:972c:c000::/34	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~20×10²⁷
2804:972c:8000::/34	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~20×10²⁷
2804:972c::/34	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~20×10²⁷
2804:972c:4000::/34	AS274389	F NET MASTER LTDA	F-NET MASTER LTDA	~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.
% 2026-07-26T09:26:01-03:00 - 185.131.220.59

aut-num:     AS274389
owner:       F-NET MASTER LTDA
ownerid:     43.535.898/0001-05
responsible: JEFFERSON DAVI COELHO PEREIRA
country:     BR
owner-c:     JDCPE19
routing-c:   DIGSA110
abuse-c:     JDCPE19
created:     20251212
changed:     20251231
inetnum:     2804:972c::/32

nic-hdl-br:  JDCPE19
person:      jefferson davi coelho pereira
e-mail:      jeffersonpereiramkt@gmail.com
country:     BR
created:     20230417
changed:     20230417

nic-hdl-br:  DIGSA110
person:      Diyerdre gomes santos
e-mail:      noc@dgtech.net.br
country:     BR
created:     20230413
changed:     20251231

% 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" : "AS274389",
    "country" : "BR",
    "admin_contacts" : [ "JDCPE19" ],
    "tech_contacts" : [ "DIGSA110" ],
    "abuse_contacts" : [ "JDCPE19" ],
    "date_created" : "2025-12-12",
    "date_updated" : "2025-12-31",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "43.535.898/0001-05",
    "name" : "F-NET MASTER LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "JDCPE19" ],
    "date_created" : "2025-12-12",
    "date_updated" : "2025-12-31",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JDCPE19",
    "country" : "BR",
    "email" : [ "jeffersonpereiramkt@gmail.com" ],
    "date_created" : "2023-04-17",
    "date_updated" : "2023-04-17",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "DIGSA110",
    "country" : "BR",
    "email" : [ "noc@dgtech.net.br" ],
    "date_created" : "2023-04-13",
    "date_updated" : "2025-12-31",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JDCPE19",
    "country" : "BR",
    "email" : [ "jeffersonpereiramkt@gmail.com" ],
    "date_created" : "2023-04-17",
    "date_updated" : "2023-04-17",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS52873	Softdados Telecomunicações	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS265197	são miguel telecomunicações e informatica ltda - m	BR
AS266400	Ferenz Networks	BR
AS263661	BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO	BR
AS53202	Acesso10 Telecom	BR
AS14840	BR.Digital Telecom	BR
AS269530	ACCESSNET TELECOMUNICAÇÕES EIRELI	BR
AS61573	IP TELECOM	BR
AS61680	ACESSO SIMPLES LTDA	BR
AS28300	Speed Serviços de Internet Ltda	BR
AS61599	EAI TELECOMUNICACOES LTDA	BR
AS61624	INFNOC TECNOLOGIA LTDA	BR
AS57463	NetIX Communications JSC	BG
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS269194	ST1 INTERNET	BR
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS262462	Aranet Play	BR
AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	BR
AS262427	Invista Net Provedor de Acesso Ltda	BR
AS264479	Turbozone Internet	BR
AS266519	PROVERADIO TELECOM	BR

Upstreams

AS Number	Description	Country
AS269530	ACCESSNET TELECOMUNICAÇÕES EIRELI	BR
AS14840	BR.Digital Telecom	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY

ASN Lookup Tool

ASN Summary

AS274389 – F NET MASTER LTDA

ASN Intelligence API for production workflows

IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

Upstreams

Ready to get started?Get Started with IP Intelligence API Today

Frequently Asked Questions