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CIDR Range

206.174.120.0/21

Addresses
2,048
2.0K
Sub-ranges
3+
within this block
PTR Density
98.8%
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.

80/100
Trusted
How this score is built

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

Ranges inside 206.174.120.0/21

First and last addresses in 206.174.120.0/21

206.174.120.0/21 runs from 206.174.120.0 to 206.174.127.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 206.174.0.0/17.

Announced prefix
Origin AS
Announcement samples
17,504
Last seen
2026-11-13 15:10:40

Frequently Asked Questions

What is 206.174.120.0/21?

206.174.120.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 206.174.120.0 to 206.174.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 206.174.120.0/21 network?

The 206.174.120.0/21 range is allocated to GENERAL COMMUNICATION, INC. and announced via AS8047 from United States.

Last updated: 2026-11-13 15:24:05 UTC
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