AS28163 — AS28163 - Cosmonline Informatica Ltda

AS28163 announces 1 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

AS28163 is operated by Cosmonline Informática Ltda, also known as Cosmonet Telecom.

What it's used for

• The address space carries residential and small business connectivity, consistent with the operator's classification as a Cable/DSL/ISP.
• The network announces a single IPv4 prefix, 187.63.32.0/20, comprising 4096 addresses, with no IPv6 prefixes in inventory.
• With only one observed neighbour, the low neighbour count relative to the address block suggests an access or eyeball network rather than a transit provider.

Notable

• The RDAP registrant for the announced prefix is Cosmonline Informática Ltda, which matches the AS holder name.
• The operator is identified in secondary sources as Cosmonet Telecom, indicating a brand name distinct from the legal entity name.
• The address inventory consists of a single contiguous /20 block, indicating a simple and focused allocation strategy.

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

Announced prefixes

• 187.63.32.0/20

Upstream networks

• AS16735 ALGAR TELECOM S/A

Adjacent networks

• AS16735 ALGAR TELECOM S/A

Routing security

• RPKI: 0 valid, 0 invalid and 29 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 3% of announcements registered; 2 route objects.
• Listed in as-sets: AS-21574-CUSTOMERS, AS-AMERICANTOWER-CLIENTS-OF-CLIENTS, AS-CTBC-CUSTOMERS1, AS-CTBC-CUSTOMERS136, AS-CTBC-TOOLS-1, AS-DESKTOP, AS-DURAND1-CUSTOMER, AS-GC-CUSTOMERS, AS-HWNG-DOWNSTREAMS, AS-MOB-CUSTOMER-AS22177, AS-MOB-CUSTOMER-AS52840, AS-ROCKETNETWORK-TOOLS, AS-UFINET-LATAM-BRASIL, AS-UFLA-TRANSCUST, AS53013:AS-CONE.