ACI WORLDWIDE, INC.

ACI Worldwide, Inc.
Data as of 2026-07-26
GLEIF verified
LEI
5493003BPVMZUJ6F5C02
Registered name
ACI WORLDWIDE, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks64 · 77,944 IPv4 addresses
IPv6 2 prefixes (largest 2a00:2381:2e9c::/48)
Registered in United States (54) · United Kingdom (7) · Spain (1)
Cluster ID213305799
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5493003BPVMZUJ6F5C02
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
64 -5 netblocks since 2026-07-05
2026-07-05 peak 70 2026-07-26

IP Ranges (64)

showing 50 of 64 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
65.198.80.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
65.222.196.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
138.229.4.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
138.229.12.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
138.229.14.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
138.229.15.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.18.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.28.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.31.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.42.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.76.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.80.0/21 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.96.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.108.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.112.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.114.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.120.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.122.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.126.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.134.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.143.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.144.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.148.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.152.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.156.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.160.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.164.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.174.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.180.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.182.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.184.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.192.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.193.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.194.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.208.0/20 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.212.0/22 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.224.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.224.0/20 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.240.0/21 ACI Worldwide, Inc. BGP ANNOUNCED ● high
139.131.240.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
185.147.172.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
185.147.174.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
199.189.232.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
199.189.234.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.16.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.18.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.24.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.26.0/23 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.28.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high
206.201.30.0/24 ACI Worldwide, Inc. BGP ANNOUNCED ● high

IPv6 ranges (2)

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.4% of checked blocks have valid RPKI ROA coverage (54 of 64)
Possible discrepancies (2)

These blocks are registered to ACI Worldwide, Inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:e4b6::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:2e9c::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

ACIWORLDWIDE ACIWORLDWIDE AS14297 AS3257-IPAM-MNT AS53927 AW-12 BTNET-MNT DUMY-RIPE DUMY-RIPE MNT-PROV-ONO NETWO4496-ARIN NETWO4496-ARIN +4 more