AS13919 ADS Alliance Data Systems, Inc.

ALLDATA-NET01 - ADS Alliance Data Systems, Inc. · registered in the United States

IPv4 addresses2,0483 prefixes · <0.001% of announced IPv4

Rank in United States#6,159largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,850of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS13919 in ASN lookup Look up an IP in this network (205.144.50.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

205.144.50.0/23
205.144.52.0/23
205.144.60.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13798#6156 LOREAL-USA - L'Oreal USA2,048

AS13805#6157 WORLD-COMMUNICATIONS - World Communications2,048

AS13913#6158 AFFILIATED - Affiliated Monitoring, Inc.2,048

AS14019#6160 PARMTECH - PTC INC.2,048

AS14043#6161 SCANSOURCE - ScanSource, Inc.2,048

AS14088#6162 WIU7 - Westmoreland Intermediate Unit2,048

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