AS52755 — U&M MINERACAO E CONSTRUCAO SA

AS52755 announces 1 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

AS52755 is held by U&M Mineração e Construção S/A.

What it's used for

• The space carries a single IPv4 prefix, 177.38.168.0/21, with the netname 189918 and registrant U&M MINERACAO E CONSTRUCAO S/A.
• The AS announces 2048 IPv4 addresses across 1 prefix and has 2 observed neighbours, indicating a small, self-contained corporate network rather than a transit or access provider.
• Traffic from this AS consists of internal corporate communications for a mining and heavy construction company, including site operations and administrative backhaul.

Notable

• The RDAP registrant U&M MINERACAO E CONSTRUCAO S/A matches the AS holder exactly.
• U&M is the result of a merger between Unienge Comercial e Construtora Ltda and Módulo Terraplanage.
• The address inventory is a single /21 block, typical of a corporate estate with no subdivision into multiple prefixes.

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

Announced prefixes

• 177.38.168.0/21

Upstream networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT

Adjacent networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-28513, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-AMERICANTOWER, AS-CTBC-CUSTOMERS23, AS-CTBC-TOOLS-9, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-HURRICANE, AS3491:AS-CUSTOMERS-NA, AS61568:AS-ALOO-TELECOM.