AS25984 MedStar Health

MEDSTARHEALTH - MedStar Health · registered in the United States

IPv4 addresses2,5609 prefixes · <0.001% of announced IPv4

Rank in United States#5,672largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,076of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS25984 in ASN lookup Look up an IP in this network (198.50.64.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

198.50.64.0/24
198.50.73.0/24
198.50.74.0/24
198.50.93.0/24
198.50.94.0/24
198.99.32.0/24
198.99.40.0/24
198.99.54.0/23
198.133.139.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS25878#5670 QNST-DC01 - Quinstreet, Inc.2,560

AS25940#5671 TIBCO - TIBCO Software Inc.2,560

AS26396#5673 MIDWAYNET-ASN - MidwayNet, LLC.2,560

AS26423#5674 DOMRES - Dominion Virginia Power2,560

AS26584#5675 26584 - VERTAFORE, INC2,560

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