AS28310 — AS28310 - ALGAR TELECOM S/A

Network type: residential

AS28310 announces 7 IPv4 prefixes covering 7,936 addresses and 1 IPv6 prefixes.

About this network

AS28310 is operated by Algar Telecom, a major Brazilian telecommunications provider.

What it's used for

• The address space carries residential and mobile subscriber traffic, evidenced by reverse DNS records pointing to smart.net.br and host-.smart.net.br.
• The AS announces 7936 IPv4 addresses across 7 prefixes and 1 IPv6 prefix, while maintaining only 1 observed neighbour, indicating a role as an access or eyeball network rather than a transit provider.

Notable

• All RDAP registrants for the announced prefixes are listed as ALGAR TELECOM S/A, which aligns with the registry holder, although the AS handle in the inventory is SMART TELECOMUNICACOES E SERVICOS LTDA..
• The address inventory consists of seven distinct IPv4 blocks, including a /21, a /22, and smaller /23 and /24 allocations, all registered under the Algar Telecom name.

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

Announced prefixes

• 170.254.148.0/22
• 177.38.32.0/21
• 189.39.112.0/21
• 189.39.120.0/22
• 189.39.124.0/24
• 189.39.126.0/23
• 200.215.168.0/22
• 2804:724::/32

Upstream networks

• AS16735 ALGAR TELECOM S/A

Adjacent networks

• AS16735 ALGAR TELECOM S/A

Routing security

• RPKI: 0 valid, 0 invalid and 5 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 16 route objects.
• Listed in as-sets: AS-267613, AS-CTBC-CUSTOMERS12, AS-CTBC-TOOLS-5, AS-MOB-CUSTOMER-AS28252, AS-MOB-CUSTOMER-AS61832, AS-TELY, AS274830:AS-CUSTOMERS, AS3491:AS-CUSTOMERS-NA, AS61568:AS-ALOO-TELECOM, AS61568:AS-TESTE-AL, AS61568:AS-TESTE-ALOO.

Internet exchanges

• IX.br (PTT.br) Recife — Recife, Brazil