AS28338 — AS28338 - UFINET BRASIL S.A.

AS28338 announces 8 IPv4 prefixes covering 7,168 addresses and 1 IPv6 prefixes.

About this network

The AS handle AS28338 is held by Ufinet Brasil S.A.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries pointing to nbtelecom.com.br and moebius.com.br.
• The network announces 7168 IPv4 addresses across 16 prefixes and maintains 13 observed neighbours, a ratio consistent with an access provider rather than a transit carrier.

Notable

• All registrants in the RDAP data are listed as UFINET BRASIL S.A., matching the AS holder.
• The address inventory is finely subdivided into multiple /23 and /24 blocks within the 189.45.0.0/22 and 189.84.232.0/22 ranges, indicating site-by-site segmentation for an internal corporate estate.

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

Announced prefixes

• 177.87.24.0/23
• 177.87.26.0/24
• 189.45.0.0/20
• 189.84.224.0/23
• 189.84.230.0/24
• 189.84.232.0/22
• 189.84.236.0/24
• 189.84.239.0/24
• 2804:74:210::/44

Upstream networks

• AS52468 UFINET PANAMA S.A.
• AS266152 PJM NET
• AS6939 Hurricane Electric LLC

Downstream networks

• AS263852 3M DE MAGE INFORMATICA LTDA

Adjacent networks

• AS52468 UFINET PANAMA S.A.
• AS266152 PJM NET
• AS6939 Hurricane Electric LLC
• AS263852 3M DE MAGE INFORMATICA LTDA
• AS35280 F5 Networks SARL

Routing security

• RPKI: 22 valid, 0 invalid and 1 not-found announcements; 22 ROAs.
• ASPA: none published.
• IRR: 52% of announcements registered; 14 route objects.
• Listed in as-sets: AS-266152, AS-267613, AS-28124, AS-53115:AS-CUSTOMERS, AS-53427-TGLOBAL, AS-CTBC-CUSTOMERS104, AS-CTBC-CUSTOMERS9, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-FLYS, AS-FORTEL-CUSTOMERS, AS-HURRICANEV6, AS-HWNG-DOWNSTREAMS, AS-K2TELECOM-COSTUMERS, AS-MOB-CUSTOMER-AS61832, AS-SEABONECUSTLA, AS-TELY, AS-UFINET-LATAM-BRASIL, AS-UFLA-TRANSCUST, AS-UPIX-CUSTOMERS, AS14840:AS-CUSTOMERS-07, AS3491:AS-CUSTOMERS-NA, AS53013:AS-CONE, AS61568:AS-ALOO-TELECOM.