AS3565 Prisma Health

PRISMA-HEALTH - Prisma Health · registered in the United States

IPv4 addresses3,8405 prefixes · <0.001% of announced IPv4

Rank in United States#4,925largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#16,685of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS3565 in ASN lookup Look up an IP in this network (199.15.144.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

199.15.144.0/22
199.15.148.0/23
199.15.150.0/24
208.68.220.0/22
209.149.112.0/22

Other ASNs named Prisma Health

3 other networks use the same organisation name; together with AS3565 they announce 69,888 IPv4 addresses.

ASNNameIPv4 addresses

AS11101PRISMA HEALTH - Prisma Health US65,536

AS511PRISMA HEALTH - Prisma Health US256

AS11304BMH-ASN - Prisma Health US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS1689#4922 ANS-1689-AS - Verizon Business3,840

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

AS6109#4926 NDCHEALTH - NDCHealth Corporation3,840

AS7021#4927 VRIS-7021 - Verizon Business3,840

AS7441#4928 OMEGADC - Omega Datacenters, LLC3,840

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