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.
- Baseline (neutral) 65
- Enterprise allocation +4
- Trust score 69 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 143.112.0.0/16 | 65.5K |
0.9%
|
McKesson Corp. | US | Virginia | Woodbridge |
| 143.112.224.0/19 | 8.2K |
0.0%
|
McKesson Corp. | US | — | — |
| 206.203.64.0/20 | 4.1K |
0.1%
|
McKesson Corp. | US | Tennessee | Clarksville |
| 143.112.128.0/22 | 1.0K |
0.0%
|
McKesson Corp. | US | — | — |
| 139.177.127.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 143.112.255.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 194.61.251.0/24 | 256 |
0.0%
|
McKesson Corp. | GB | — | — |
| 206.203.65.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 206.203.67.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 206.203.73.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 206.203.74.0/24 | 256 |
0.0%
|
McKesson Corp. | US | — | — |
| 206.203.78.0/24 | 256 |
0.0%
|
McKesson Corp. | 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.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 139.177.127.0/24 | 38,771 | 2026-09-10 18:07:51 |
| 143.112.128.0/22 | 33,991 | 2026-08-27 12:07:10 |
| 143.112.192.0/19 | 27,791 | 2026-08-27 04:01:35 |
| 143.112.128.0/18 | 27,734 | 2026-08-27 04:01:35 |
| 206.203.64.0/18 | 13,674 | 2026-08-27 04:02:13 |
| 149.21.0.0/16 | 13,663 | 2026-08-27 04:02:13 |
| 143.112.224.0/19 | 13,393 | 2026-08-27 12:07:54 |
| 143.112.144.0/22 | 13,360 | 2026-08-27 04:01:35 |
| 143.112.68.0/22 | 12,476 | 2026-08-27 09:56:51 |
| 143.112.0.0/17 | 11,755 | 2026-08-27 12:07:21 |
| 206.203.73.0/24 | 11,333 | 2026-09-10 18:08:24 |
| 143.112.76.0/24 | 11,319 | 2026-08-27 07:52:44 |
| 143.112.255.0/24 | 10,346 | 2026-09-10 18:08:25 |
| 194.61.251.0/24 | 10,038 | 2026-09-10 18:08:24 |
| 206.203.74.0/24 | 9,318 | 2026-09-10 18:08:24 |
| 206.203.65.0/24 | 9,105 | 2026-09-10 18:08:24 |
| 206.203.67.0/24 | 6,040 | 2026-09-10 18:08:23 |
| 206.203.78.0/24 | 5,776 | 2026-09-10 18:08:23 |
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 70.1K IPv4 addresses distributed across 11 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.
