AS28576 — ITIBR - Instituto de Tecnologia Informacao Brasil

AS28576 announces 8 IPv4 prefixes covering 8,960 addresses and 1 IPv6 prefixes.

About this network

ITIBR is operated by Instituto de Tecnologia Informacao Brasil.

What it's used for

• The address space carries connectivity and IT solutions, evidenced by registrants CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD and ITIBR - Instituto de Tecnologia Informacao Brasil.
• Reverse DNS entries such as d-ip157-254.ctitel.com.br and 187-73-129-126.dedicated.ctitel.com.br indicate dedicated IP services.
• With 8960 IPv4 addresses announced across 15 prefixes and 24 observed neighbours, the ratio suggests a transit or network service provider role rather than a large access network.

Notable

• Registrants include both ITIBR - Instituto de Tecnologia Informacao Brasil and CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD, indicating a mix of owned and potentially leased or affiliated address space.
• The inventory consists of 15 IPv4 prefixes and 1 IPv6 prefix, all announced from Brazil.
• The AS has been observed in routing tables since 2004-05-26.

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

Announced prefixes

• 187.73.128.0/21
• 189.38.16.0/23
• 189.38.19.0/24
• 189.38.20.0/23
• 189.38.24.0/21
• 200.220.144.0/22
• 200.220.148.0/23
• 200.220.152.0/21
• 2804:3c::/32

Upstream networks

• AS262731 CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD
• AS22356 Durand do Brasil Ltda
• AS6939 Hurricane Electric LLC
• AS8055 TAVOLA CONECTIVIDADE LTDA.
• AS24482 SG.GS

Adjacent networks

• AS262731 CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD
• AS22356 Durand do Brasil Ltda
• AS6939 Hurricane Electric LLC
• AS8055 TAVOLA CONECTIVIDADE LTDA.
• AS24482 SG.GS

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil