AS21897 Virtua Health

VIRTUA-HEALTH - Virtua Health · registered in the United States

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in United States#1,189largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,236of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS21897 in ASN lookup Look up an IP in this network (170.184.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

170.184.0.0/16

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ASNNameIPv4 addresses

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AS21984#1190 FCPS - Fairfax County Public Schools65,536

AS22174#1191 NET-SUC-TECH-ALF - State University of New York College of Technology at Alfred65,536

AS22178#1192 PA-SENATE - Senate of Pennsylvania65,536

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