AS52851 — AS52851 - CTA INTERNET LTDA

AS52851 announces 1 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

AS52851 is operated by CTA Internet Ltda.

What it's used for

• The address space carries residential internet access, evidenced by the reverse DNS entries pointing to ctainternet.com.br.
• The network announces 1024 IPv4 addresses across 1 prefix and 9 IPv6 prefixes, with only 2 observed routing neighbours, indicating a regional access provider rather than a transit hub.
• Traffic from this AS consists of subscriber eyeballs for residential users in Brazil, consistent with the operator's role as a regional ISP.

Notable

• The RDAP registrant CTA INTERNET LTDA matches the AS holder, confirming consistent ownership of the announced space.
• The inventory consists of a single IPv4 block and a set of IPv6 prefixes, all located in Brazil.

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

Announced prefixes

• 143.202.212.0/22
• 2804:72c::/32

Upstream networks

• AS28605 Defferrari Informatica Ltda.
• AS14840 BR.Digital Telecom

Adjacent networks

• AS28605 Defferrari Informatica Ltda.
• AS14840 BR.Digital Telecom

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 7 route objects.
• Listed in as-sets: AS-267613, AS-269266-CUST, AS-274614-CUST, AS-8167-BGP-CUSTOMERS, AS-8167_CUSTOMERS, AS-ADYLNET-CUSTOMERS, AS-CTBC-CUSTOMERS104, AS-CTBC-CUSTOMERS14, AS-CTBC-TOOLS-1, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-HWNG-DOWNSTREAMS, AS-MEGATELECOM-CUSTOMERS, AS-UFINET-LATAM-BRASIL, AS14840:AS-CUSTOMERS-04, AS53013:AS-CONE.

Internet exchanges

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