AS61928 — AS61928 - ALEXANDRE BISPO COMUNICACAO ME

AS61928 announces 2 IPv4 prefixes covering 5,120 addresses and 1 IPv6 prefixes.

About this network

AS61928 is operated by Tribenet, a regional internet service provider in Brazil.

What it's used for

• The address space carries residential and small business traffic, evidenced by reverse DNS entries pointing to rev.tribenet.com.br and the registrant netnames 230356 and 296135.
• The AS announces 5,120 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining 28 observed neighbours; this ratio of moderate address space against a significant number of peering partners indicates a regional access network providing last-mile connectivity.
• Traffic from this AS consists of subscriber eyeballs and residential broadband users in the Limeira, São Paulo region, consistent with the operator's classification as a Cable/DSL/ISP.

Notable

• The RDAP registrants for both announced IPv4 prefixes (200.12.0.0/20 and 170.238.4.0/22) are listed as ALEXANDRE BISPO COMUNICAÇÃO ME, which aligns with the AS handle and the legal entity name of the operator.
• The address inventory consists of two distinct IPv4 blocks and a single IPv6 /32, representing a standard allocation for a regional ISP without large-scale transit or hosting infrastructure.

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

Announced prefixes

• 170.238.4.0/22
• 200.12.0.0/20
• 2804:184c::/32

Upstream networks

• AS52840 UFINET BRASIL S.A.
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS35280 F5 Networks SARL
• AS37721 Virtual Technologies & Solutions

Downstream networks

• AS272603 Global Services

Adjacent networks

• AS52840 UFINET BRASIL S.A.
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS272603 Global Services
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL
• AS52468 UFINET PANAMA S.A.

Routing security

• RPKI: 0 valid, 0 invalid and 59 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 66% of announcements registered; 52 route objects.
• Listed in as-sets: AS-267613, AS-28124, AS-53427-TGLOBAL, AS-AMERICANTOWER-CLIENTS-OF-CLIENTS, AS-BRITIS, AS-CEMIGTELECOM-CLIENTS-OF-CLIENTS, AS-CN2, AS-CTBC-CUSTOMERS135, AS-CTBC-CUSTOMERS30, AS-CTBC-CUSTOMERS98, AS-CTBC-TOOLS-1, AS-CTGNET-CUT, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-FLYS, AS-FORTE-TELECOM-CUSTOMER-GBLX, AS-FORTE-TELECOM-CUSTOMER-POC, AS-FORTEL-CUSTOMERS, AS-HURRICANEV6, AS-HWNG-DOWNSTREAMS, AS-MOB-CUSTOMER-AS52840, AS-SEABORN-CUSTOMER, AS-TASCOM-CUSTOMERS, AS-UFINET-LATAM-BRASIL, AS-UFLA-TRANSCUST.

Internet exchanges

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