ASN AS28189 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28189?

AS28189 is listed under JR & JS ENGENHARIA E COMÉRCIO 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.

AS28189 JR & JS ENGENHARIA E COMÉRCIO LTDA

ASN Lookup Tool

JR & JS ENGENHARIA E COMÉRCIO LTDA novvacore.com

BR 41 Routes

AS Data

AS28189

AS28189 – JR & JS ENGENHARIA E COMÉRCIO LTDA

AS Number	28189
AS Name	54.750.997/0001-26
Organization	JR & JS ENGENHARIA E COMÉRCIO LTDA
Country	BR
Website	novvacore.com
Number of IPv4 Routes	34
Number of IPv6 Routes	7
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2008-03-05

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Use ASN data for AS28189 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
186.224.200.0/23	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	512
186.224.218.0/23	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	512
186.224.208.0/20	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	4096
186.224.216.0/22	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	STARNET TELECOMUNICACOES LTDA	1024
186.224.196.0/23	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	512
189.90.8.0/23	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	512
2804:1a0:4::/48	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	~1×10²⁴
186.224.196.0/22	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	JR & JS ENGENHARIA E COMÉRCIO LTDA	1024
189.90.15.0/24	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	CONCORDIA S/A CORRETORA VALORES MOB.CAMBIO E COMMO	256
186.224.216.0/21	AS28189	JR & JS ENGENHARIA E COMÉRCIO LTDA	STARNET TELECOMUNICACOES LTDA	2048

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.
% 2026-05-15T09:18:23-03:00 - 80.240.125.20

aut-num:     AS28189
owner:       JR & JS ENGENHARIA E COM�RCIO LTDA
ownerid:     54.750.997/0001-26
responsible: Ricardo Bussolan Juan
country:     BR
owner-c:     JJTLT12
routing-c:   JJTLT12
abuse-c:     JJTLT12
created:     20080305
changed:     20240520
inetnum:     186.224.192.0/20
inetnum:     2804:1a0::/32
inetnum:     186.224.208.0/20
inetnum:     189.90.2.0/23
inetnum:     189.90.4.0/22
inetnum:     189.90.8.0/21

nic-hdl-br:  JJTLT12
person:      JR & JS TELECOM LTDA
e-mail:      engenharia@novvacore.com
country:     BR
created:     20211004
changed:     20211004

% 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" : "AS28189",
    "country" : "BR",
    "admin_contacts" : [ "JJTLT12" ],
    "tech_contacts" : [ "JJTLT12" ],
    "abuse_contacts" : [ "JJTLT12" ],
    "date_created" : "2008-03-05",
    "date_updated" : "2024-05-20",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "54.750.997/0001-26",
    "name" : "JR & JS ENGENHARIA E COM?RCIO LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "JJTLT12" ],
    "date_created" : "2008-03-05",
    "date_updated" : "2024-05-20",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JJTLT12",
    "country" : "BR",
    "email" : [ "engenharia@novvacore.com" ],
    "date_created" : "2021-10-04",
    "date_updated" : "2021-10-04",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "JJTLT12",
    "country" : "BR",
    "email" : [ "engenharia@novvacore.com" ],
    "date_created" : "2021-10-04",
    "date_updated" : "2021-10-04",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JJTLT12",
    "country" : "BR",
    "email" : [ "engenharia@novvacore.com" ],
    "date_created" : "2021-10-04",
    "date_updated" : "2021-10-04",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS271117	Ultranet Ipava Telecom Ltda	BR
AS267212	WEB 8 DATA CENTER LTDA	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS60602	Inovare-Prim SRL	MD
AS61609	NextHop Solutions	BR
AS14537	Continent 8 LLC	US
AS266428	R L A World Net LTDA	BR
AS198150	SIACOM JSC	GE
AS267256	ONETIS TECNOLOGIA LTDA	BR
AS269416	SEMEAR TELECOM EIRELI	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS264409	GRUPO YAX	BR
AS7195	EDGEUNO S.A.S	CO
AS14840	BR.Digital Telecom	BR
AS266931	RE Servicos de Comunicacao Multimidia	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS7713	Telekomunikasi Indonesia PT	ID
AS174	Cogent Communications, LLC	US
AS272713	CDN Star Ltda	BR

Downstreams

AS Number	Description	Country
AS271117	Ultranet Ipava Telecom Ltda	BR
AS267212	WEB 8 DATA CENTER LTDA	BR
AS7195	EDGEUNO S.A.S	CO
AS61609	NextHop Solutions	BR
AS266428	R L A World Net LTDA	BR
AS272713	CDN Star Ltda	BR
AS268726	TOPNET SERVIÇOS DE TELECOMUNICAÇÕES E MULTIMÍDIA EIRELI ME	BR
AS264217	Sem Fone Telecomunicações Ltda	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS263307	ITSOnline Com. Ltda.	BR