AS53223 — AS53223 - Master Net Telecom LTDA

AS53223 announces 3 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

AS53223 is operated by Master Net Telecom LTDA.

What it's used for

• The address space carries consumer broadband traffic, evidenced by reverse DNS records pointing to masternetrs.com.br across all sampled prefixes.
• The network announces 4,096 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, maintaining only 2 observed routing neighbours.
• This high address-to-neighbour ratio indicates an access network providing last-mile connectivity, consistent with the operator's classification as a Cable/DSL/ISP.

Notable

• The registrant for the 177.67.148.0/22 prefix matches the AS holder, Master Net Telecom LTDA.
• The address inventory consists of three distinct IPv4 blocks and a single IPv6 /32, all located in Brazil.

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

Announced prefixes

• 132.255.140.0/22
• 177.67.148.0/22
• 186.251.80.0/21
• 2804:2088::/32

Upstream networks

• AS262903 Tubaron Telecom

Adjacent networks

• AS262903 Tubaron Telecom

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 33% of announcements registered; 9 route objects.
• Listed in as-sets: AS-262903-CUST, AS-267613, AS-269266-CUST, AS-274614-CUST, AS-53062-CUSTOMERS, AS-53062-CUSTOMERS, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-CN2, AS-CTBC-CUSTOMERS111, AS-CTBC-CUSTOMERS35, AS-CTBC-TOOLS-7, AS-EMBRATELNET, AS-HWNG-DOWNSTREAMS, AS-MOB-CUSTOMER-AS53237, AS-ROCKETNETWORK-TOOLS-2, AS-SAMM.

Internet exchanges

• IX.br (PTT.br) Porto Alegre — Porto Alegre, Brazil