AS61901 — AS61901 - RMR Assessoria Tecnica em Teleinformatica LTDA-ME

AS61901 announces 2 IPv4 prefixes covering 3,072 addresses and 1 IPv6 prefixes.

About this network

AS61901 is operated by RMR Assessoria Tecnica em Teleinformatica LTDA-ME, a regional Brazilian internet service provider.

What it's used for

• The address space carries residential and small business subscriber traffic, evidenced by reverse DNS records pointing to rmrti.com.br across all sampled prefixes.
• The AS announces 3072 IPv4 addresses across 5 prefixes and 2 IPv6 prefixes, with 5 observed routing neighbours, indicating a local access network rather than a transit provider.
• Traffic consists of end-user internet access for subscribers in the served region, consistent with the operator's classification as a Cable/DSL/ISP.

Notable

• All registrants for the announced prefixes match the AS holder, RMR Assessoria Técnica em Teleinformática LTDA-ME, with netnames 287609 and 220950.
• The address inventory is composed of two /22 blocks and three smaller blocks, all within the 170.254.0.0/16 and 191.5.0.0/16 ranges, with no anomalies in the prefix structure.

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

Announced prefixes

• 170.254.52.0/22
• 191.5.64.0/21
• 2804:1370::/32

Upstream networks

• AS269337 CONECWEB SERVICOS DE COMUNICACAO LTDA
• AS265080 AD TELECOM
• AS28220 Alares Cabo Servicos de Telecomunicacoes S.A.

Downstream networks

• AS267511 JK NET SERVICOS MULTIMIDIA EIRELI - EPP
• AS270940 VeloxFibra Telecom

Adjacent networks

• AS269337 CONECWEB SERVICOS DE COMUNICACAO LTDA
• AS265080 AD TELECOM
• AS267511 JK NET SERVICOS MULTIMIDIA EIRELI - EPP
• AS28220 Alares Cabo Servicos de Telecomunicacoes S.A.
• AS270940 VeloxFibra Telecom

Routing security

• RPKI: 25 valid, 0 invalid and 0 not-found announcements; 26 ROAs.
• ASPA: none published.
• IRR: 24% of announcements registered; 10 route objects.
• Listed in as-sets: AS-1TELECOM-CUSTOMERS01, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-BRISANET-CUSTOMERS, AS-CABOTELECOM-CUST, AS-CTBC-CUSTOMERS31, AS-CTBC-CUSTOMERS99, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-FORTEL-CUSTOMERS, AS-HURRICANE, AS-HWNG-DOWNSTREAMS, AS-MAXIHOST, AS-MOB-CUSTOMER-AS263940, AS-MOB-CUSTOMER-AS61832, AS-RETN-ACTUAL-V4, AS-TELY, AS-TELY-TRANSIT:AS-CUSTOMERS, AS-UFINET-LATAM-BRASIL, AS-UFLA-TRANSCUST, AS14840:AS-CUSTOMERS-05, AS264367:AS-CYBERNET-CUSTOMERS, AS264861:AS-CUSTOMERS.