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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Countries served by Quest Diagnostics, Inc.
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by Quest Diagnostics, Inc.
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 216.203.80.0/20 | 4.1K |
7.3%
|
AS27021 | US | Texas | Dallas |
| 204.235.142.0/23 | 512 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.0/23 | 512 |
2.1%
|
AS27021 | US | — | — |
| 209.242.250.0/23 | 512 |
2.7%
|
AS27021 | US | — | — |
| 65.199.254.0/24 | 256 |
96.9%
|
AS27021 | US | — | — |
| 156.30.5.0/24 | 256 |
0.0%
|
AS27021 | US | New Jersey | Jersey City |
| 156.30.24.0/24 | 256 |
0.0%
|
AS27021 | US | — | — |
| 209.242.241.0/24 | 256 |
0.0%
|
AS27021 | US | — | — |
| 209.242.247.0/24 | 256 |
11.7%
|
AS27021 | US | — | — |
| 209.242.248.0/24 | 256 |
0.8%
|
AS27021 | US | — | — |
| 216.195.72.0/24 | 256 |
65.2%
|
AS27021 | US | — | — |
| 209.242.240.128/25 | 128 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.64/26 | 64 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.0/27 | 32 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.32/28 | 16 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.48/29 | 8 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.56/30 | 4 |
0.0%
|
AS27021 | PR | — | — |
| 209.242.240.62/31 | 2 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.60 | 1 |
0.0%
|
AS27021 | US | — | — |
| 209.242.240.61 | 1 |
0.0%
|
AS27021 | PR | — | — |
Frequently Asked Questions
How many IP addresses does Quest Diagnostics, Inc. own?
Quest Diagnostics, Inc. controls 7.2K IPv4 addresses distributed across 10 CIDR ranges. The organization is registered in United States.
What ASNs does Quest Diagnostics, Inc. operate?
Quest Diagnostics, Inc. operates 1 Autonomous System. Each ASN represents an independently routed network that Quest Diagnostics, Inc. manages for internet traffic delivery.
What type of organization is Quest Diagnostics, Inc.?
Quest Diagnostics, Inc. is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.
