AS10599 McKesson Corp.

MCKESSON - McKesson Corp. · registered in the United States

IPv4 addresses2,0488 prefixes · <0.001% of announced IPv4

Rank in United States#6,129largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,807of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS10599 in ASN lookup Look up an IP in this network (139.177.127.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

139.177.127.0/24
143.112.255.0/24
194.61.251.0/24
206.203.65.0/24
206.203.67.0/24
206.203.73.0/24
206.203.74.0/24
206.203.78.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS10340#6126 TELE-TECH - TELE-TECH CO. INC.2,048

AS10360#6127 AARP - AARP2,048

AS10489#6128 ARMOUR-AS - Armour Cloud, LLC2,048

AS10632#6130 PSE-AS - Puget Sound Energy2,048

AS10788#6131 CDW - CDW LLC2,048

AS10868#6132 DOWNCITY - DownCity LLC2,048

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