AS53927 — ACI-WORLDWIDE - ACI Worldwide, Inc.

AS53927 announces 4 IPv4 prefixes covering 5,888 addresses and 0 IPv6 prefixes.

About this network

ACI-WORLDWIDE is operated by ACI Worldwide, Inc.

What it's used for

• The address space is registered under the netname NET-139-131-0-0 for all four announced prefixes, indicating a unified corporate estate.
• The AS announces 5,888 IPv4 addresses across 4 prefixes and maintains 3 observed neighbours, a ratio consistent with an internal corporate network rather than a transit or access provider.
• As a digital payments software company, this infrastructure supports the company's internal operations, including web/API endpoints and office connectivity for its global payments orchestration platform.

Notable

• All registrants for the announced prefixes are listed as ACI Worldwide, Inc., matching the AS holder.
• The company was formerly known as Transaction Systems Architects, Inc. before changing its name to ACI Worldwide, Inc.
• The inventory consists of four distinct IPv4 blocks within the 139.131.0.0/16 range, with no IPv6 prefixes announced.

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

Announced prefixes

• 139.131.31.0/24
• 139.131.144.0/20
• 139.131.212.0/22
• 139.131.224.0/23

Upstream networks

• AS701 Verizon Business
• AS2110 Enet Communications LIMITED
• AS3549 Level 3 Parent, LLC

Downstream networks

• AS14297 ACI Worldwide, Inc.

Adjacent networks

• AS701 Verizon Business
• AS14297 ACI Worldwide, Inc.
• AS2110 Enet Communications LIMITED
• AS3549 Level 3 Parent, LLC

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 10 route objects.
• Listed in as-sets: AS-BTGB-CUST, AS-BTIRE, AS-DEFENSE, AS-F5, AS-PROLE, AS35280:AS-DEFENSE, AS35280:AS-F5.