AS27336 Sentara Healthcare

SENTARA-HEALTH-CARE - Sentara Healthcare · registered in the United States

IPv4 addresses65,53631 prefixes · 0.002% of announced IPv4

Rank in United States#1,216largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,284of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27336 in ASN lookup Look up an IP in this network (163.230.0.1) All networks in United States

IPv4 prefixes

All 31 prefixes, in address order.

163.230.0.0/21
163.230.8.0/21
163.230.16.0/20
163.230.32.0/20
163.230.48.0/21
163.230.56.0/23
163.230.58.0/24
163.230.59.0/24
163.230.60.0/22
163.230.64.0/19
163.230.96.0/22
163.230.100.0/23
163.230.102.0/23
163.230.104.0/21
163.230.112.0/20
163.230.128.0/18
163.230.192.0/21
163.230.200.0/22
163.230.204.0/23
163.230.206.0/23
163.230.208.0/20
163.230.224.0/24
163.230.225.0/24
163.230.226.0/23
163.230.228.0/22
163.230.232.0/21
163.230.240.0/23
163.230.242.0/24
163.230.243.0/24
163.230.244.0/22
163.230.248.0/21

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AS27405#1218 PSC - University System of New Hampshire65,536

AS27594#1219 UTSA - University of Texas at San Antonio65,536

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