AS28243 — FCA FIAT CHRYSLER AUTOMOVEIS BRASIL LTDA

AS28243 announces 1 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

AS28243 is operated by FCA Fiat Chrysler Automóveis Brasil Ltda.

What it's used for

• The address space is registered under the netname 120531 and belongs to the automotive manufacturer FCA Fiat Chrysler Automóveis Brasil Ltda.
• The AS announces a single IPv4 prefix, 187.0.248.0/21, comprising 2048 addresses, with no IPv6 prefixes in inventory.
• With only 2 observed neighbours, the low neighbour count relative to the address block suggests an internal corporate estate rather than a transit or access provider.

Notable

• The RDAP registrant matches the AS holder exactly, confirming direct ownership of the announced space.
• The inventory consists of a single contiguous /21 block, indicating a finely subdivided internal network typical of a large corporate site.

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

Announced prefixes

• 187.0.248.0/21

Upstream networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT
• AS16735 ALGAR TELECOM S/A

Adjacent networks

• AS23106 AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT
• AS16735 ALGAR TELECOM S/A

Routing security

• RPKI: 0 valid, 0 invalid and 9 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 89% of announcements registered; 10 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, AS-HWNG-DOWNSTREAMS, AS-SB-AUTOMATION-CUSTOMER, AS61568:AS-ALOO-TELECOM.