CIDR Range

166.82.0.0/21

2.0K IPs /21 Windstream Communications LLC AS7029 United States ARIN

Addresses

2,048

2.0K

IP Range

166.82.0.0

→ 166.82.7.255

Sub-ranges

within this block

PTR Density

97.9%

2.0K 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.

81/100

Trusted

How this score is built

Baseline (neutral) 65
Long-established allocation (33y) +6
Has a reverse-DNS (PTR) record +5
Isp allocation +5
Trust score 81 / 100

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

Geolocation

First and last addresses in 166.82.0.0/21

166.82.0.0/21 runs from 166.82.0.0 to 166.82.7.255.

First 16

166.82.0.0 166.82.0.1 166.82.0.2 166.82.0.3 166.82.0.4 166.82.0.5 166.82.0.6 166.82.0.7 166.82.0.8 166.82.0.9 166.82.0.10 166.82.0.11 166.82.0.12 166.82.0.13 166.82.0.14 166.82.0.15

Last 16

166.82.7.240 166.82.7.241 166.82.7.242 166.82.7.243 166.82.7.244 166.82.7.245 166.82.7.246 166.82.7.247 166.82.7.248 166.82.7.249 166.82.7.250 166.82.7.251 166.82.7.252 166.82.7.253 166.82.7.254 166.82.7.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 166.82.0.0/16.

Announced prefix

166.82.0.0/16

Origin AS

AS7029

Announcement samples

14,878

Last seen

2026-10-30 18:15:12

Frequently Asked Questions

What is 166.82.0.0/21?

166.82.0.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 166.82.0.0 to 166.82.7.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 166.82.0.0/21 network?

The 166.82.0.0/21 range is allocated to Windstream Communications LLC and announced via AS7029 from United States.

Last updated: 2026-10-30 18:24:06 UTC