ASN AS28124 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28124?

AS28124 is listed under UFINET BRASIL S.A..

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.

AS28124 UFINET BRASIL S.A. | IPGeolocation.io

ASN Lookup Tool

UFINET BRASIL S.A. ufinet.com

BR 21 Routes

AS Data

AS28124

AS28124 – UFINET BRASIL S.A.

AS Number	28124
AS Name	06.288.154/0001-07
Organization	UFINET BRASIL S.A.
Country	BR
Website	ufinet.com
Number of IPv4 Routes	20
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	2008-12-10

ASN Intelligence API for production workflows

Use ASN data for AS28124 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
187.108.239.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.224.0/22	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	1024
187.108.236.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.237.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.232.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.224.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.226.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.228.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.227.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
2804:470::/32	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	~79×10²⁷
187.108.230.0/24	AS28124	UFINET BRASIL S.A.	New Vision Telecom LTDA	256
187.108.228.0/22	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	1024
187.108.233.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.238.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.235.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.224.0/20	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	4096
187.108.234.0/24	AS28124	UFINET BRASIL S.A.	Kobertura Telecom LTDA	256
187.108.225.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.231.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256
187.108.232.0/22	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	1024
187.108.229.0/24	AS28124	UFINET BRASIL S.A.	UFINET BRASIL S.A.	256

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.
% 2026-09-03T09:25:39-03:00 - 94.176.54.62

aut-num:     AS28124
owner:       UFINET BRASIL S.A.
ownerid:     06.288.154/0001-07
responsible: Juan Pablo Garay
country:     BR
owner-c:     JUPGA40
routing-c:   HGABO
abuse-c:     HGABO
created:     20081210
changed:     20221028
inetnum:     187.108.224.0/20
inetnum:     2804:470::/32

nic-hdl-br:  JUPGA40
person:      Juan Pablo Garay
e-mail:      jpgaray@ufinet.com
country:     BR
created:     20251013
changed:     20260107

nic-hdl-br:  HGABO
person:      Hector Gabriel Altafim Bogado
e-mail:      haltafim@ufinet.com
country:     BR
created:     20220207
changed:     20230309

% 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" : "AS28124",
    "country" : "BR",
    "admin_contacts" : [ "JUPGA40" ],
    "tech_contacts" : [ "HGABO" ],
    "abuse_contacts" : [ "HGABO" ],
    "date_created" : "2008-12-10",
    "date_updated" : "2022-10-28",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "06.288.154/0001-07",
    "name" : "UFINET BRASIL S.A.",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "HGABO" ],
    "date_created" : "2008-12-10",
    "date_updated" : "2022-10-28",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JUPGA40",
    "country" : "BR",
    "email" : [ "jpgaray@ufinet.com" ],
    "date_created" : "2025-10-13",
    "date_updated" : "2026-01-07",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "HGABO",
    "country" : "BR",
    "email" : [ "haltafim@ufinet.com" ],
    "date_created" : "2022-02-07",
    "date_updated" : "2023-03-09",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "HGABO",
    "country" : "BR",
    "email" : [ "haltafim@ufinet.com" ],
    "date_created" : "2022-02-07",
    "date_updated" : "2023-03-09",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS53062	GGNET TELECOMUNICACOES LTDA	BR
AS52468	UFINET PANAMA S.A.	PA
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS53062	GGNET TELECOMUNICACOES LTDA	BR
AS52468	UFINET PANAMA S.A.	PA

Downstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US