AS53083 — AS53083 - C & M Software Ltda.

AS53083 announces 1 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

AS53083 is held by C & M Software Ltda.

What it's used for

• The address space is registered under the netname 136061 for all available prefixes, indicating a single corporate entity managing the inventory.
• The AS announces 4096 IPv4 addresses across 6 prefixes, all located in Brazil, while maintaining only 2 observed routing neighbours.
• This low neighbour count relative to the address block size suggests the network functions as a business or internal corporate estate rather than a transit provider or large-scale residential ISP.

Notable

• Registrant data for the available prefixes consistently lists C & M Software Ltda. as the holder, matching the AS holder.
• The address inventory consists of contiguous blocks within the 187.33.112.0/21 range, including a /21, a /22, and four /24s.
• The organisation is a Brazilian software company established in 1999, based in Barueri, São Paulo.

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

Announced prefixes

• 187.33.112.0/20

Upstream networks

• AS4230 CLARO S.A.
• AS17222 MUNDIVOX DO BRASIL LTDA

Adjacent networks

• AS4230 CLARO S.A.
• AS17222 MUNDIVOX DO BRASIL LTDA

Routing security

• RPKI: 0 valid, 0 invalid and 9 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-267613, AS-28124, AS-28513, AS-CTBC-CUSTOMERS10, AS-CTBC-CUSTOMERS63, AS-CTBC-TOOLS-5, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-GNT-CUSTOMERS, AS-HWNG-DOWNSTREAMS, AS-MEGATELECOM-CUSTOMERS, AS-MUNDIVOX-CUSTOMERS, AS-SB-AUTOMATION-CUSTOMER, AS-TASCOM-CUSTOMERS, AS-TELY, AS-TELY-TRANSIT:AS-CUSTOMERS, AS3491:AS-CUSTOMERS-NA, AS52320:AS-CUSTOMERS, AS52925:AS-CONE.