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CIDR Range

142.66.208.0/20

Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 4.1K 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.

77/100
Moderate
How this score is built

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

Geolocation

First and last addresses in 142.66.208.0/20

142.66.208.0/20 runs from 142.66.208.0 to 142.66.223.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 142.66.0.0/16.

Announced prefix
Origin AS
Announcement samples
25,988
Last seen
2026-11-14 16:31:38

Frequently Asked Questions

What is 142.66.208.0/20?

142.66.208.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 142.66.208.0 to 142.66.223.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 142.66.208.0/20 network?

The 142.66.208.0/20 range is allocated to University of Lethbridge and announced via AS11257 from Canada.

Last updated: 2026-11-14 17:09:05 UTC
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