AS27021

Summary

Country	United States
Organization	Quest Diagnostics, Inc.
Domain	questdiagnostics.com
Number of IPv4	8,704
Number of IPv6	0
AS Type	Business
Registry	ARIN
Allocated	January 14, 2003 (about 23 years ago)
Updated	May 30, 2014 (about 12 years ago)

IP Ranges

AS27021 announces 16 IPv4 ranges and 0 IPv6 range.

That's a total of 8,704 IPv4 address and 0 IPv6 address.

Prefix	Organization	Size	Registry	Status
65.199.254.0/24	Spectrum Laboratory	256	ARIN	REASSIGNMENT
156.30.5.0/24	Quest Diagnostics, Inc.	256	ARIN	ALLOCATION
156.30.24.0/24	Quest Diagnostics, Inc.	256	ARIN	ALLOCATION
204.235.142.0/23	Solstas Lab Partners, LLC	512	ARIN	ALLOCATION
209.242.240.0/24	Labone, Inc.	256	ARIN	ALLOCATION
209.242.241.0/24	Labone, Inc.	256	ARIN	ALLOCATION
209.242.247.0/24	Labone, Inc.	256	ARIN	ALLOCATION
209.242.248.0/24	Labone, Inc.	256	ARIN	ALLOCATION
209.242.250.0/24	Labone, Inc.	256	ARIN	ALLOCATION
209.242.251.0/24	Labone, Inc.	256	ARIN	ALLOCATION
216.195.72.0/24	MedPlus	256	ARIN	REASSIGNMENT
216.203.80.0/21	Quest Diagnostics, Inc.	2,048	ARIN	ALLOCATION
216.203.80.0/24	Quest Diagnostics, Inc.	256	ARIN	ALLOCATION
216.203.87.0/24	Quest Diagnostics, Inc.	256	ARIN	ALLOCATION
216.203.88.0/21	Quest Diagnostics, Inc.	2,048	ARIN	ALLOCATION
216.203.92.0/22	Quest Diagnostics, Inc.	1,024	ARIN	ALLOCATION

Peers

AS27021 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS27021 connects to the global Internet via at least 4 upstream providers. In this setup, AS27021 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS27021 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.