AS28261 — AS28261 - EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO

AS28261 announces 3 IPv4 prefixes covering 3,584 addresses and 1 IPv6 prefixes.

About this network

AS28261 is operated by Empresa Sergipana de Tecnologia da Informação.

What it's used for

• The address space is registered under the netname 123553 with the registrant EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMAÇÃO, indicating a state-owned telecommunications entity in Sergipe, Brazil.
• The AS announces 3584 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, with only 1 observed neighbour, a ratio consistent with an access or regional network rather than a transit provider.

Notable

• All three announced IPv4 prefixes share the same netname and registrant, confirming a unified ownership structure for the announced space.
• The inventory consists of blocks within the 187.17.0.0/16 range, specifically 187.17.0.0/22, 187.17.4.0/23, and 187.17.8.0/21, alongside a single /48 IPv6 block.

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

Announced prefixes

• 187.17.0.0/22
• 187.17.4.0/23
• 187.17.8.0/21
• 2801:80:150::/48

Upstream networks

• AS263165 MARVITEL TELECOM
• AS61568 ALOO TELECOM - FSF TECNOLOGIA SA

Adjacent networks

• AS263165 MARVITEL TELECOM
• AS61568 ALOO TELECOM - FSF TECNOLOGIA SA

Routing security

• RPKI: 0 valid, 0 invalid and 8 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-1TELECOM-CUSTOMERS01, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-CTBC-CUSTOMERS112, AS-CTBC-TOOLS-9, AS-EMBRATELNET, AS-FLYS, AS-FORTEL-CUSTOMERS, AS-HURRICANEV6, AS-MOB-CUSTOMER-AS52720, AS-SEABONECUSTLA, AS-TELY, AS274830:AS-CUSTOMERS, AS3491:AS-CUSTOMERS-NA, AS52873:AS-API, AS52873:AS-TRANSIT, AS61568:AS-ALOO-TELECOM, AS61568:AS-ALOO-TELECOM-DDOS, AS61568:AS-TESTE-AL, AS61568:AS-TESTE-ALOO.

Internet exchanges

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