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CIDR Range

66.150.72.0/21

2.0K IPs /21 United States ARIN
Addresses
2,048
2.0K
Sub-ranges
3+
within this block
PTR Density
0.9%
19 of 2.0K IPs have PTR

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 66.150.72.0/21

CIDRIPsOrganizationASNCountry
66.150.72.0/22 1.0K — — US
66.150.76.0/22 1.0K Unitas Global AS13789 US
66.150.76.0/22 1.0K Unitas Global AS13789 US

Geolocation

First and last addresses in 66.150.72.0/21

66.150.72.0/21 runs from 66.150.72.0 to 66.150.79.255.

First 16
Last 16

Frequently Asked Questions

What is 66.150.72.0/21?

66.150.72.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 66.150.72.0 to 66.150.79.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 66.150.72.0/21 network?

The 66.150.72.0/21 range is allocated to an unknown organization from United States.

Last updated: 2026-11-05 17:09:05 UTC
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