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
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationQuest Diagnostics, Inc.
AS nameAS-DGX
Country United States (US)
Network typeBusiness
RegistryARIN
Registered2003-01-14
Last updated2014-05-30

IPv4 prefixes

17 prefixes · 12,800 addresses
NetworkAddressesFirst – last address
216.203.80.0/204,096216.203.80.0 – 216.203.95.255
216.203.80.0/212,048216.203.80.0 – 216.203.87.255
216.203.88.0/212,048216.203.88.0 – 216.203.95.255
216.203.92.0/221,024216.203.92.0 – 216.203.95.255
204.235.142.0/23512204.235.142.0 – 204.235.143.255
65.199.254.0/2425665.199.254.0 – 65.199.254.255
156.30.5.0/24256156.30.5.0 – 156.30.5.255
156.30.24.0/24256156.30.24.0 – 156.30.24.255
209.242.240.0/24256209.242.240.0 – 209.242.240.255
209.242.241.0/24256209.242.241.0 – 209.242.241.255
209.242.247.0/24256209.242.247.0 – 209.242.247.255
209.242.248.0/24256209.242.248.0 – 209.242.248.255
209.242.250.0/24256209.242.250.0 – 209.242.250.255
209.242.251.0/24256209.242.251.0 – 209.242.251.255
216.195.72.0/24256216.195.72.0 – 216.195.72.255
216.203.80.0/24256216.203.80.0 – 216.203.80.255
216.203.87.0/24256216.203.87.0 – 216.203.87.255

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"

Largest networks in United States