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Autonomous System

AS10599

McKesson Corp.

Announced IPs
145,664
CIDR prefixes
13
ASN
AS10599

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
143.112.0.0/16 65.5K
0.9%
McKesson Corp. US Virginia Manassas
149.21.0.0/16 65.5K
0.0%
McKesson Corp. US
206.203.64.0/20 4.1K
0.1%
McKesson Corp. US
206.203.96.0/20 4.1K
0.0%
McKesson Corp. US
206.203.64.0/21 2.0K
0.0%
US
206.203.112.0/21 2.0K
0.0%
McKesson Corp. US
206.203.76.0/22 1.0K
0.0%
US
206.203.84.0/22 1.0K
0.0%
McKesson Corp. US
206.203.124.0/22 1.0K
0.0%
McKesson Corp. US
206.203.74.0/23 512
0.0%
US
206.203.82.0/23 512
0.0%
McKesson Corp. US
206.203.94.0/23 512
0.0%
McKesson Corp. US
206.203.120.0/23 512
0.0%
McKesson Corp. US
139.177.127.0/24 256
0.0%
McKesson Corp. US
194.61.251.0/24 256
0.0%
McKesson Corp. GB
206.203.72.0/24 256
0.0%
US
206.203.122.0/24 256
0.0%
McKesson Corp. US
206.203.73.0/25 128
0.0%
GB
206.203.73.128/26 64
0.0%
US
206.203.73.224/27 32
0.0%
US
206.203.73.192/28 16
0.0%
US
206.203.73.208/29 8
0.0%
GB
206.203.73.216/30 4
0.0%
GB
206.203.73.220/30 4
0.0%
US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS10599 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
206.203.64.0/18 8,441 2026-07-18 12:01:12
149.21.0.0/16 8,432 2026-07-18 12:01:12
143.112.144.0/22 8,405 2026-07-18 12:01:12
143.112.128.0/18 7,030 2026-07-18 12:01:12
143.112.192.0/19 7,023 2026-07-18 12:01:12
139.177.127.0/24 6,967 2026-07-18 12:01:09
206.203.65.0/24 5,615 2026-07-18 11:08:06
143.112.76.0/24 4,963 2026-07-18 12:01:13
143.112.68.0/22 4,808 2026-07-18 12:01:13
206.203.73.0/24 4,320 2026-07-18 11:52:59
143.112.0.0/17 4,225 2026-07-18 12:01:13
194.61.251.0/24 3,830 2026-07-18 11:52:59
143.112.128.0/22 3,593 2026-07-18 12:01:12
206.203.74.0/24 3,369 2026-07-18 10:51:58
206.203.67.0/24 3,161 2026-07-18 10:51:59
143.112.224.0/19 3,091 2026-07-18 12:01:13
143.112.255.0/24 3,042 2026-07-18 12:01:13
206.203.78.0/24 2,869 2026-07-18 10:52:36

Frequently Asked Questions

What is AS10599?

AS10599 is an Autonomous System Number assigned to McKesson Corp.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS10599 announce?

AS10599 announces 145.7K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in United States.

Who operates AS10599?

AS10599 is operated by McKesson Corp.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS10599 registered in?

AS10599 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:40:28 UTC
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