AS54572 Nasdaq, Inc.

AS-ASN-2 - Nasdaq, Inc. · registered in the United States

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in United States#7,638largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#28,972of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS54572 in ASN lookup Look up an IP in this network (198.55.221.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

198.55.221.0/24
204.190.16.0/22

Other ASNs named Nasdaq, Inc.

4 other networks use the same organisation name; together with AS54572 they announce 14,080 IPv4 addresses.

ASNNameIPv4 addresses

AS14495ASN-14495 - Nasdaq, Inc. US10,752

AS54811AS-ASN-3 - Nasdaq, Inc. US1,024

AS13836ASN-13836 - Nasdaq, Inc. US512

AS22246ASN-22246 - Nasdaq, Inc. US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS54466#7635 AS-ISSQUARED - ISSQUARED, Inc.1,280

AS54531#7636 LPCH-PA - LUCILE SALTER PACKARD CHILDREN'S HOSPITAL AT STANFORD1,280

AS54559#7637 ALGH-DCS - COUNTY OF ALLEGHENY1,280

AS54640#7639 CONEHEALTH - The Moses H. Cone Memorial Hospital1,280

AS54761#7640 ARIN-SAMBREEL-SVCS - Sambreel Services, LLC1,280

AS54819#7641 NETDIVERSE-A - NetDiverse, LLC1,280

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