AS397779 Concord Hospital

CONCORD-HOSPITAL-ASN-01 - Concord Hospital · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#8,933largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#42,303of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397779 in ASN lookup Look up an IP in this network (198.212.227.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

198.212.227.0/24
198.212.228.0/23
198.212.231.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397751#8930 JAMESAVERY - JAMES AVERY CRAFTSMAN INC1,024

AS397760#8931 OPTYM - Optym, Inc.1,024

AS397770#8932 TRINITYLINK - Trinity Link LLC1,024

AS397793#8934 ASN-SWBNO-01 - Sewerage and Water Board of New Orleans1,024

AS397818#8935 LUMENTUMLLC - Lumentum Operations LLC1,024

AS397847#8936 FLEX-SPF - Flextronics International USA, Inc.1,024

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