AS27021
Quest Diagnostics, Inc.
AS 27021 AS-DGX
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 27021 |
|---|---|
| Name | AS-DGX |
| Organization | Quest Diagnostics, Inc. |
| Country | United States |
| Registry | ARIN |
IPv4 Prefixes for AS27021
| Network | Location | Addresses | |
|---|---|---|---|
| 156.30.24.0/24 | Quest Diagnostics, Inc. |  St Louis |
256 |
| 156.30.5.0/24 | Quest Diagnostics, Inc. | New York |
256 |
| 204.235.142.0/23 | Quest Diagnostics, Inc. | Greensboro |
512 |
| 209.242.240.0/24 | Quest Diagnostics, Inc. | New York |
256 |
| 209.242.241.0/24 | Quest Diagnostics, Inc. | Dallas |
256 |
| 209.242.247.0/24 | Quest Diagnostics, Inc. | Albany |
256 |
| 209.242.248.0/24 | Quest Diagnostics, Inc. | Dallas |
256 |
| 209.242.250.0/24 | Quest Diagnostics, Inc. | Dallas |
256 |
| 209.242.251.0/24 | LabOne | Lenexa (Renner Ridge Corporate Center) |
256 |
| 216.195.72.0/24 | CyrusOne LLC | Cincinnati (Central Business District) |
256 |
| 216.203.80.0/20 | Quest Diagnostics, Inc. | Coto de Caza |
4,096 |
| 216.203.80.0/21 | Quest Diagnostics, Inc. | Coto de Caza |
2,048 |
| 216.203.80.0/24 | Quest Diagnostics, Inc. | Coto de Caza |
256 |
| 216.203.87.0/24 | Quest Diagnostics, Inc. | Boston |
256 |
| 216.203.88.0/21 | Quest Diagnostics, Inc. | Lyndhurst |
2,048 |
| 216.203.92.0/22 | Quest Diagnostics, Inc. | Dallas |
1,024 |
| 65.199.254.0/24 | Verizon Business | Greensboro |
256 |