AS6109 NDCHealth Corporation

NDCHEALTH - NDCHealth Corporation · registered in the United States

IPv4 addresses3,84011 prefixes · <0.001% of announced IPv4

Rank in United States#4,926largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#16,686of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6109 in ASN lookup Look up an IP in this network (206.227.192.1) All networks in United States

IPv4 prefixes

All 11 prefixes, in address order.

206.227.192.0/22
206.227.196.0/24
206.227.199.0/24
206.227.200.0/24
206.227.209.0/24
206.227.210.0/24
206.227.213.0/24
206.227.220.0/23
206.227.223.0/24
206.227.233.0/24
206.227.235.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS1904#4923 DNIC-AS-01904 - United States Department of Defense (DoD)3,840

AS3555#4924 ATS-NET - AT&T Technical Services Company, Inc.3,840

AS3565#4925 PRISMA-HEALTH - Prisma Health3,840

AS7021#4927 VRIS-7021 - Verizon Business3,840

AS7441#4928 OMEGADC - Omega Datacenters, LLC3,840

AS10392#4929 NSB1-NET - New Source Broadband3,840

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