AS53172 — AS53172 - Next Telecomunicacoes do Brasil LTDA

AS53172 announces 2 IPv4 prefixes covering 5,120 addresses and 1 IPv6 prefixes.

About this network

AS53172 is operated by Next Telecomunicações do Brasil LTDA.

What it's used for

• The address space carries residential and business broadband traffic, evidenced by reverse DNS records pointing to nexttelecom.net.br (e.g., 186-225-68-0.nexttelecom.net.br).
• The AS announces 5,120 IPv4 addresses across 2 prefixes and 17 IPv6 prefixes, with only 3 observed neighbours, indicating a regional access network rather than a transit provider.
• Traffic consists of subscriber eyeballs for cable and DSL services in the Brazilian market.

Notable

• Registrants for both announced prefixes (186.225.64.0/20 and 143.137.8.0/22) match the AS holder, Next Telecomunicações do Brasil LTDA.
• The inventory is compact, consisting of a single /20 and a single /22 in IPv4, alongside a subdivided IPv6 allocation under 2804:2980::/33.

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

Announced prefixes

• 143.137.8.0/22
• 186.225.64.0/20
• 2804:2980::/32

Upstream networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT
• AS268696 Tuddo Telecom Ltda.
• AS53181 Avanca Telecom e Servicos LTDA

Adjacent networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT
• AS268696 Tuddo Telecom Ltda.
• AS53181 Avanca Telecom e Servicos LTDA

Routing security

• RPKI: 36 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 42% of announcements registered; 19 route objects.
• Listed in as-sets: AS-268696, AS-53078-CUST, AS-53181, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-AMERICANTOWER, AS-AMERICANTOWER-CLIENTS-OF-CLIENTS, AS-AS10429-CLIENTES, AS-BRSIMPLES, AS-CEMIGTELECOM-CLIENTES, AS-CEMIGTELECOM-CLIENTS-OF-CLIENTS, AS-CTBC-CUSTOMERS110, AS-CTBC-CUSTOMERS3, AS-CTBC-TOOLS-7, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-FORTE-TELECOM-CUSTOMER-ES, AS-FORTE-TELECOM-DOWNSTREAMS, AS-HUGENET-CUSTOMERS, AS-HURRICANE, AS-HWNG-DOWNSTREAMS, AS-K2TELECOM-COSTUMERS, AS-SB-AUTOMATION-CUSTOMER, AS-SEMPRE-CUSTOMER-268696.