AS52818 — AS52818 - CD ONE CORPORATION DO BRASIL LTDA

AS52818 announces 2 IPv4 prefixes covering 2,048 addresses and 1 IPv6 prefixes.

About this network

AS52818 is operated by CD One Corporation do Brasil Ltda.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries such as AS52818-177.72.149-255-cdone.com.br and AS52818-191-240-197-255-cdone.com.br.
• The network announces 2048 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with 6 observed routing neighbours, indicating a regional access provider rather than a transit hub.
• Traffic from this AS consists of subscriber eyeballs and small business endpoints connecting to the internet via CD One's infrastructure in Brazil.

Notable

• The registrant for the 177.72.148.0/22 prefix matches the AS holder, CD One Corporation do Brasil Ltda.
• The address inventory is compact, consisting of two /22 blocks and a single /32 IPv6 prefix, typical of a mid-sized regional ISP.

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

Announced prefixes

• 177.72.148.0/22
• 191.240.196.0/22
• 2804:111c::/32

Upstream networks

• AS271253 LINK BRASIL TELECOMUNICACOES LTDA
• AS1031 PEER 1031 LLC
• AS23764 CTGNet

Adjacent networks

• AS271253 LINK BRASIL TELECOMUNICACOES LTDA
• AS1031 PEER 1031 LLC
• AS23764 CTGNet

Routing security

• RPKI: 13 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 85% of announcements registered; 14 route objects.
• Listed in as-sets: AS-1000-LINKAMERICAN, AS-1TELECOM-CUSTOMERS01, AS-267613, AS-28124, AS-CN2, AS-CTB-CDONE, AS-CTBC-CUSTOMERS13, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-HUGENET-CUSTOMERS, AS-HWNG-DOWNSTREAMS, AS-MEGALINK-CUSTOMERS, AS-MOB-CUSTOMER-AS22177, AS-MOB-CUSTOMER-AS53133, AS-MUNDIVOX-CUSTOMERS, AS-SAMM, AS-SB-AUTOMATION-CUSTOMER, AS-TASCOM-CUSTOMERS, AS-TELY, AS-UFINET-LATAM-BRASIL, AS52925:AS-CONE, AS53013:AS-CONE.