AS28159 — PRODERJ - Centro de Tecnologia da Informacao do RJ

AS28159 announces 5 IPv4 prefixes covering 19,456 addresses and 0 IPv6 prefixes.

About this network

AS28159 is operated by Proderj (Centro de Tecnologia da Informação do RJ).

What it's used for

• The address space is registered under netnames 424489, 424483, 424484, 131812, and 424479, all attributed to the Rio de Janeiro state government's information technology center.
• The AS announces 19456 IPv4 addresses across 12 prefixes and maintains 8 observed neighbours, indicating a role as a government enterprise network rather than a transit provider.

Notable

• All registrants in the RDAP data match the AS holder, consistently listing "PRODERJ - Centro de Tecnologia da Informação do RJ".
• The inventory consists of a large /19 block (200.156.32.0/19) and several smaller /22, /23, and /24 blocks in the 187.62.0.0/16 and 200.20.0.0/16 ranges.

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

Announced prefixes

• 187.62.128.0/20
• 200.20.28.0/22
• 200.20.32.0/20
• 200.20.48.0/21
• 200.156.32.0/19

Upstream networks

• AS4230 CLARO S.A.
• AS6939 Hurricane Electric LLC

Adjacent networks

• AS4230 CLARO S.A.
• AS6939 Hurricane Electric LLC

Routing security

• RPKI: 0 valid, 0 invalid and 13 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 13 route objects.
• Listed in as-sets: AS-267613, AS-CTBC-TOOLS-4, AS-EMBRATELNET, AS-UFINET-LATAM-BRASIL, AS28146:AS-CLIENTS, AS3491:AS-CUSTOMERS-NA, AS53013:AS-CONE.