ASN AS28140 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28140?

AS28140 is listed under G2G INTERNET E SERVICOS DE TELECOM 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.

AS28140 G2G INTERNET E SERVICOS DE TELECOM LTDA

ASN Lookup Tool

G2G INTERNET E SERVICOS DE TELECOM LTDA specialist.srv.br

BR 32 Routes

AS Data

AS28140

AS28140 – G2G INTERNET E SERVICOS DE TELECOM LTDA

AS Number	28140
AS Name	03.790.608/0001-55
Organization	G2G INTERNET E SERVICOS DE TELECOM LTDA
Country	BR
Website	specialist.srv.br
Number of IPv4 Routes	29
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2009-03-18

ASN Intelligence API for production workflows

Use ASN data for AS28140 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
187.49.43.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.103.218.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.49.47.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.49.39.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.103.214.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.103.215.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.103.216.0/22	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	1024
187.49.44.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	256
187.49.35.0/24	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	UFI FILTERS do Brasil Ind e Com de Filtros Ltda	256
2804:1a4::/32	AS28140	G2G INTERNET E SERVICOS DE TELECOM LTDA	G2G INTERNET E SERVICOS DE TELECOM LTDA	~79×10²⁷

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.
% 2026-04-12T09:20:45-03:00 - 185.240.252.118

aut-num:     AS28140
owner:       G2G INTERNET E SERVICOS DE TELECOM LTDA
ownerid:     03.790.608/0001-55
responsible: Genesio Neto
country:     BR
owner-c:     GRLNE2
routing-c:   ACF118
abuse-c:     GNSCO9
created:     20090318
changed:     20251003
inetnum:     187.49.32.0/20
inetnum:     2804:1a4::/32
inetnum:     187.103.208.0/20
as-in:       from AS6939 100 accept ANY
as-in:       from AS262988 100 accept ANY
as-in:       from AS267170 500 accept AS267170
as-in:       from AS52571 100 accept ANY
as-in:       from AS266346 500 accept AS266346
as-out:      to AS6939 announce AS28140 AS267170 AS266346
as-out:      to AS262988 announce AS28140 AS267170 AS266346
as-out:      to AS267170 announce ANY
as-out:      to AS52571 announce AS28140 AS267170 AS266346
as-out:      to AS266346 announce ANY

nic-hdl-br:  GRLNE2
person:      GENESIO R. L. NETO
e-mail:      genesio@g2gtelecom.com.br
country:     BR
created:     20090626
changed:     20251003

nic-hdl-br:  ACF118
person:      Alexandre Chaves Fonseca
e-mail:      abuse@specialist.srv.br
country:     BR
created:     20000321
changed:     20190921

nic-hdl-br:  GNSCO9
person:      G2G NETWORKS SERVICOS DE COMUNICACAO
e-mail:      renan.chudis@g2gfibra.com.br
country:     BR
created:     20220401
changed:     20250212

% 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" : "AS28140",
    "country" : "BR",
    "admin_contacts" : [ "GRLNE2" ],
    "tech_contacts" : [ "ACF118" ],
    "abuse_contacts" : [ "GNSCO9" ],
    "date_created" : "2009-03-18",
    "date_updated" : "2025-10-03",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "03.790.608/0001-55",
    "name" : "G2G INTERNET E SERVICOS DE TELECOM LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "GNSCO9" ],
    "date_created" : "2009-03-18",
    "date_updated" : "2025-10-03",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "GRLNE2",
    "country" : "BR",
    "email" : [ "genesio@g2gtelecom.com.br" ],
    "date_created" : "2009-06-26",
    "date_updated" : "2025-10-03",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ACF118",
    "country" : "BR",
    "email" : [ "abuse@specialist.srv.br" ],
    "date_created" : "2000-03-21",
    "date_updated" : "2019-09-21",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GNSCO9",
    "country" : "BR",
    "email" : [ "renan.chudis@g2gfibra.com.br" ],
    "date_created" : "2022-04-01",
    "date_updated" : "2025-02-12",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS269075	GO-NET FIBRA	BR
AS265949	INFO TELECOM INTERNET LTDA	BR
AS270838	Neidnet Telecomunicações	BR
AS61851	Garra Telecom Ltda	BR
AS266409	SECW TELECOM	BR
AS268637	Easy Connection Internet Ltda. - ME	BR
AS28604	Globo Comunicaï¿½ï¿½o e Participaï¿½oes SA	BR
AS271188	VOCAL NET TELECOMUNICAES LTDA	BR
AS268710	YES FIBRA TELECOMUNICACOES LTDA	BR
AS53095	Axnet Provedor de Internet Comercio Ltda	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS52468	UFINET PANAMA S.A.	PA
AS52571	G2G COM PROD ELETRO E SERV LTDA	BR

Downstreams

AS Number	Description	Country
AS266346	G2G NETWORKS SERVICOS DE COMUNICACAO	BR