AS29987 — SINFONY6 - Sinfony6, LLC

AS29987 announces 4 IPv4 prefixes covering 3,840 addresses and 0 IPv6 prefixes.

About this network

The AS handle SINFONY6 is held by Sinfony6, LLC.

What it's used for

• The address space carries prefixes registered to MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA (netname 558365) and Sinfony6, LLC (netname SINFONY-6-IPV4).
• The network announces 5632 IPv4 addresses across 4 prefixes with 4 observed neighbours, indicating a small-scale access or research network rather than a transit provider.

Notable

• Registrants include MEGA INFRA SOLUCOES EM INFRAESTRUTURA LTDA for the 187.31.16.0/22 and 187.31.20.0/24 blocks, and Sinfony6, LLC for the 23.134.108.0/24 block.
• The address inventory consists of four distinct IPv4 prefixes, with no IPv6 prefixes in the inventory.

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

Announced prefixes

• 187.31.0.0/21
• 187.31.8.0/22
• 187.31.12.0/23
• 187.31.14.0/24

Upstream networks

• AS3257 GTT Communications Inc.
• AS32097 WholeSale Internet, Inc.

Downstream networks

• AS14571 Oi S.A. - Em Recuperacao Judicial

Adjacent networks

• AS3257 GTT Communications Inc.
• AS14571 Oi S.A. - Em Recuperacao Judicial
• AS32097 WholeSale Internet, Inc.

Routing security

• RPKI: 0 valid, 24 invalid and 16 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 3 route objects.
• Listed in as-sets: AS-GTTCUST, AS-GTTCUST6, AS-SINFONY6.

Internet exchanges

• Kansas City Internet Exchange — Kansas City, United States