AS61745 — AS61745 - NBS TELECOM

AS61745 announces 5 IPv4 prefixes covering 4,864 addresses and 1 IPv6 prefixes.

About this network

NBS TELECOM is the AS handle for NBS Telecom, a regional telecommunications provider in Brazil.

What it's used for

• The address space carries customer access traffic, evidenced by reverse DNS entries such as 186-219-242-0.host.nbstelecom.psi.br and 131-72-153-0.host.nbstelecom.psi.br.
• With 4,864 IPv4 addresses announced across 6 prefixes and 34 observed neighbours, the ratio indicates an access network providing connectivity to end-users rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs, including residential and small business internet access, as well as specific government-related endpoints like vdi.tce.ro.gov.br.

Notable

• All registrants for the announced prefixes are listed as NBS TELECOM, matching the AS holder.
• The address inventory is primarily composed of blocks in the 186.219.240.0/21 range, with a smaller allocation in 131.72.152.0/22.
• The network includes a single IPv6 prefix, 2804:1bb8::/32, indicating dual-stack capability for its subscribers.

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

Announced prefixes

• 131.72.152.0/22
• 186.219.240.0/21
• 186.219.248.0/22
• 186.219.252.0/23
• 186.219.254.0/24
• 2804:1bb8::/32

Upstream networks

• AS7738 V tal
• AS10429 TELEFONICA BRASIL S.A
• AS8167 V tal
• AS1031 PEER 1031 LLC
• AS6939 Hurricane Electric LLC
• AS3303 Swisscom (Schweiz) AG
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS24482 SG.GS
• AS33891 Core-Backbone GmbH
• AS4230 CLARO S.A.

Downstream networks

• AS273309 UNI TELECOM LTDA
• AS266572 WORLDNET TELECOMUNICACOES
• AS269481 PROINFO-COMERCIO E SERVICOS P/INFORMATICA LTDA-ME
• AS270406 F.A.A PROVEDOR LTDA - ME
• AS264166 TURBO NET TELECOM LTDA
• AS266535 PELIKAN NET LTDA-ME
• AS272278 MVW Telecomunicacoes
• AS273782 S & M Nacional Telecom Ltda
• AS262663 METROFLEX TELECOMUNICACOES LTDA
• AS268750 M. L. J. DANTAS - ME
• AS263947 VirtualSpace Telecom
• AS263474 VerdeNET Fibra Optica
• AS275850 ROCCA851
• AS52540 H&F SOLUCOES TECNOLOGICAS LTDA
• AS264019 Tribunal de Justica do Estado de Rondonia
• AS269069 ADRIANO LENZ COMERCIO DE PRODUTOS INFORMATICA ME
• AS274340 Globo Net Telecomunicacoes LTDA
• AS268277 NARI EQUIPAMENTOS DE COMUNICACAO
• AS269180 VIPNET Conexao
• AS265307 PLANETY INTERNET SERVICOS E COMUNICACOES LTDA - ME
• AS271638 Cronos Telecom
• AS274372 CREDISIS - CENTRAL DE COOPERATIVAS DE CREDITO LTDA
• AS271017 AMAZONFIBER SERVICOS DE COMUNICACAO LTDA
• AS272190 I9 COMERCIO E SERVICOS DE TELECOMUNICACAO
• AS274547 PREFEITURA DE PORTO VELHO

Adjacent networks

• AS273309 UNI TELECOM LTDA
• AS7738 V tal
• AS8167 V tal
• AS6939 Hurricane Electric LLC
• AS4230 CLARO S.A.
• AS10429 TELEFONICA BRASIL S.A
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS266572 WORLDNET TELECOMUNICACOES
• AS1031 PEER 1031 LLC
• AS269481 PROINFO-COMERCIO E SERVICOS P/INFORMATICA LTDA-ME
• AS269180 VIPNET Conexao
• AS270406 F.A.A PROVEDOR LTDA - ME
• AS264166 TURBO NET TELECOM LTDA
• AS272278 MVW Telecomunicacoes
• AS266535 PELIKAN NET LTDA-ME
• AS262663 METROFLEX TELECOMUNICACOES LTDA
• AS273782 S & M Nacional Telecom Ltda
• AS24482 SG.GS
• AS3303 Swisscom (Schweiz) AG
• AS263474 VerdeNET Fibra Optica
• AS268750 M. L. J. DANTAS - ME
• AS275850 ROCCA851
• AS263947 VirtualSpace Telecom
• AS33891 Core-Backbone GmbH
• AS264019 Tribunal de Justica do Estado de Rondonia

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 14 route objects.
• Listed in as-sets: AS-8167-BGP-CUSTOMERS, AS-8167_CUSTOMERS, AS-CTBC-CUSTOMERS35, AS-CTBC-TOOLS-9, AS-EMBRASNET, AS-EMBRATELNET, AS-GNT-CUSTOMERS, AS-HURRICANE, AS-NBS, AS-NETIX, AS-NETIX-INT, AS264409:AS-CONE, AS269180:AS-TRANSIT, AS3491:AS-CUSTOMERS-NA, AS52320:AS-CUSTOMERS, AS57463:AS-NETIX-INT, AS61678:AS-CUSTOMERS, AS61745:AS-ALL, AS61745:AS-CONE.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• IX.br (PTT.br) Brasília — Brasília, Brazil
• IX.br (PTT.br) Goiânia — Goiânia, Brazil
• IX.br (PTT.br) Cuiabá — Cuiabá, Brazil
• IX.br (PTT.br) Porto Velho — Porto Velho, Brazil
• IX.br (PTT.br) Rio Branco — Rio Branco, Brazil