AS53927 ACI Worldwide, Inc.

ACI-WORLDWIDE - ACI Worldwide, Inc. · registered in the United States

IPv4 addresses5,8884 prefixes · <0.001% of announced IPv4

Rank in United States#3,890largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#12,696of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS53927 in ASN lookup Look up an IP in this network (139.131.31.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

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

Other ASNs named ACI Worldwide, Inc.

1 other network uses the same organisation name; together with AS53927 they announce 37,120 IPv4 addresses.

ASNNameIPv4 addresses

AS14297ACI-WORLDWIDE - ACI Worldwide, Inc. US31,232

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources