Autonomous System
AS27021 Quest Diagnostics, Inc.
BusinessActiveUnited StatesARIN
AS27021 (AS-DGX) is a business network operated by Quest Diagnostics, Inc. in United States, registered with ARIN. It has 17 IPv4 prefixes with 12,800 addresses, which makes it the 8,915th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses12,800in 17 prefixes
IPv6 prefixes0none
Size rank#8,915of 82,200 active ASNs
Details
OrganizationQuest Diagnostics, Inc.
AS nameAS-DGX
Websitequestdiagnostics.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactinf-tech@questdiagnostics.com
Registered2003-01-14
Last updated2014-05-30
IPv4 prefixes
17 prefixes · 12,800 addresses| Network | Addresses | First – last address |
|---|---|---|
| 216.203.80.0/20 | 4,096 | 216.203.80.0 – 216.203.95.255 |
| 216.203.80.0/21 | 2,048 | 216.203.80.0 – 216.203.87.255 |
| 216.203.88.0/21 | 2,048 | 216.203.88.0 – 216.203.95.255 |
| 216.203.92.0/22 | 1,024 | 216.203.92.0 – 216.203.95.255 |
| 204.235.142.0/23 | 512 | 204.235.142.0 – 204.235.143.255 |
| 65.199.254.0/24 | 256 | 65.199.254.0 – 65.199.254.255 |
| 156.30.5.0/24 | 256 | 156.30.5.0 – 156.30.5.255 |
| 156.30.24.0/24 | 256 | 156.30.24.0 – 156.30.24.255 |
| 209.242.240.0/24 | 256 | 209.242.240.0 – 209.242.240.255 |
| 209.242.241.0/24 | 256 | 209.242.241.0 – 209.242.241.255 |
| 209.242.247.0/24 | 256 | 209.242.247.0 – 209.242.247.255 |
| 209.242.248.0/24 | 256 | 209.242.248.0 – 209.242.248.255 |
| 209.242.250.0/24 | 256 | 209.242.250.0 – 209.242.250.255 |
| 209.242.251.0/24 | 256 | 209.242.251.0 – 209.242.251.255 |
| 216.195.72.0/24 | 256 | 216.195.72.0 – 216.195.72.255 |
| 216.203.80.0/24 | 256 | 216.203.80.0 – 216.203.80.255 |
| 216.203.87.0/24 | 256 | 216.203.87.0 – 216.203.87.255 |
216.203.80.0/20 216.203.80.0/21 216.203.88.0/21 216.203.92.0/22 204.235.142.0/23 65.199.254.0/24 156.30.5.0/24 156.30.24.0/24 209.242.240.0/24 209.242.241.0/24 209.242.247.0/24 209.242.248.0/24 209.242.250.0/24 209.242.251.0/24 216.195.72.0/24 216.203.80.0/24 216.203.87.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS27021 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS27021&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS27021, with or without a key:
curl "https://api.ipapi.is/?q=216.203.80.1"
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