AS28189 — JR & JS ENGENHARIA E COMERCIO LTDA

AS28189 announces 9 IPv4 prefixes covering 11,008 addresses and 1 IPv6 prefixes.

About this network

AS28189 is operated by Novvacore, registered as JR & JS ENGENHARIA E COMÉRCIO LTDA.

What it's used for

• The address space is registered under netnames such as 147590, 181668, and 438556, all attributed to JR & JS ENGENHARIA E COMÉRCIO LTDA.
• The AS announces 11008 IPv4 addresses across 13 prefixes and 19 IPv6 prefixes, while maintaining 96 observed neighbours, a ratio consistent with a network service provider role.

Notable

• All available RDAP registrants match the AS holder, JR & JS ENGENHARIA E COMÉRCIO LTDA.
• Secondary sources identify the operator as Novvacore, a network service provider operating in South America.
• The inventory consists of blocks in the 186.224.0.0/16 and 189.90.0.0/16 ranges, with one prefix lookup marked unavailable.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 186.224.192.0/24
• 186.224.194.0/24
• 186.224.196.0/24
• 186.224.198.0/23
• 186.224.200.0/21
• 186.224.208.0/20
• 189.90.2.0/23
• 189.90.4.0/22
• 189.90.8.0/21
• 2804:1a0::/32

Upstream networks

• AS7195 EDGEUNO S.A.S
• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS13786 Seabras 1 USA, LLC
• AS268624 Gamers Club Ltda
• AS264409 Huge Solucoes Corporativas Ltda
• AS24482 SG.GS
• AS57463 NetIX Communications JSC

Downstream networks

• AS266931 RE Servicos de Comunicacao Multimidia
• AS266428 R L A World Net LTDA
• AS271475 Fox Connecta
• AS270598 FUSION INTERNET WIFI LTDA
• AS267554 +Net & Telecom
• AS272232 Union Tel Telecomunicacoes LTDA
• AS271590 HELOISA SAMPAIO PINTO TELECOMUNICACOES
• AS268013 Optfiber Telecomunicacoes Eirelli
• AS262329 HIT Telecomunicacoes Ltda.
• AS267462 Espaco Link Telecomunicacoes LTDA - ME
• AS270622 AGINET DATACENTER INFORMATICA LTDA
• AS268726 TOPNET SERVICOS DE TELECOMU E MULTIMIDIA EIRELI-ME
• AS266500 SURF TELECOM S.A.
• AS272646 CMA Consultoria Metodos Assessoria e Mercantil S/A
• AS266382 Mais Provedor Servicos de Internet Ltda - EPP
• AS263307 ITSOnline Com. Ltda.
• AS268509 COMPLETA Telecomunicacoes Ltda
• AS271432 CLICK TELECOM SERV TELE E TELEFONIA LTDA
• AS271677 Wsim Informatica Ltda. ME
• AS268637 Easy Connection Internet Ltda. - ME
• AS269665 LEKST TELECOM
• AS397847 Flextronics International USA, Inc.
• AS271556 VIPER TEC
• AS271258 ERICK TELECOM
• AS268890 ASTERNET SERVICOS DE COMUNICACAO MULTIMIDIA LTDA

Adjacent networks

• AS266931 RE Servicos de Comunicacao Multimidia
• AS7195 EDGEUNO S.A.S
• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS266428 R L A World Net LTDA
• AS264409 Huge Solucoes Corporativas Ltda
• AS13786 Seabras 1 USA, LLC
• AS268624 Gamers Club Ltda
• AS6939 Hurricane Electric LLC
• AS268509 COMPLETA Telecomunicacoes Ltda
• AS268788 HEXA TELECOM LTDA
• AS268013 Optfiber Telecomunicacoes Eirelli
• AS271475 Fox Connecta
• AS270598 FUSION INTERNET WIFI LTDA
• AS267554 +Net & Telecom
• AS272232 Union Tel Telecomunicacoes LTDA
• AS271590 HELOISA SAMPAIO PINTO TELECOMUNICACOES
• AS267462 Espaco Link Telecomunicacoes LTDA - ME
• AS262329 HIT Telecomunicacoes Ltda.
• AS264217 Sem Fone Telecomunicacoes Ltda
• AS270622 AGINET DATACENTER INFORMATICA LTDA
• AS268726 TOPNET SERVICOS DE TELECOMU E MULTIMIDIA EIRELI-ME
• AS266500 SURF TELECOM S.A.
• AS272646 CMA Consultoria Metodos Assessoria e Mercantil S/A
• AS266382 Mais Provedor Servicos de Internet Ltda - EPP

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• DE-CIX Frankfurt — Frankfurt, Germany
• AMS-IX Amsterdam — Amsterdam, Netherlands
• DE-CIX New York — New York, United States