AS28181 — AS28181 - MASTER TELECOM LTDA ME

AS28181 announces 1 IPv4 prefixes covering 2,048 addresses and 1 IPv6 prefixes.

About this network

AS28181 is operated by Master Telecom LTDA ME.

What it's used for

• The address space carries residential and small business traffic, consistent with the operator's classification as a Cable/DSL/ISP.
• The AS announces 2048 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, with 4 observed neighbours, indicating a regional access network rather than a transit provider.

Notable

• All four IPv4 prefixes share the netname 201806 and are registered to MASTER TELECOM LTDA ME, matching the AS holder.
• The address inventory consists of four contiguous /23 blocks within the 179.97.16.0/22 range, suggesting a single, cohesive allocation for the operator's regional footprint.

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

Announced prefixes

• 179.97.16.0/21
• 2804:dac::/32

Upstream networks

• AS268633 73s Telecom
• AS265949 INFO TELECOM INTERNET LTDA

Adjacent networks

• AS268633 73s Telecom
• AS265949 INFO TELECOM INTERNET LTDA

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-1000-LINKAMERICAN, AS-262847-CUST, AS-263470, AS-267613, AS-40676, AS-53062-CUSTOMERS, AS-53062-CUSTOMERS, AS-63529-AS-IMPORT-AS6939, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-8167-BGP-CUSTOMERS, AS-8167_CUSTOMERS, AS-AS393742, AS-CTBC-CUSTOMERS107, AS-CTBC-CUSTOMERS16, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-HUGENET-CUSTOMERS, AS-HURRICANE, AS-ITXBR, AS-MEGATELECOM-CUSTOMERS, AS-OPENX-CUSTOMERS, AS-ROCKETNETWORK-TOOLS-2.