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CIDR Range

38.143.132.0/22

Addresses
1,024
1.0K
Sub-ranges
20+
within this block
PTR Density
2.1%
21 of 1.0K 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

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

Ranges inside 38.143.132.0/22

First and last addresses in 38.143.132.0/22

38.143.132.0/22 runs from 38.143.132.0 to 38.143.135.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 38.0.0.0/8.

Announced prefix
Origin AS
Announcement samples
17,696
Last seen
2026-11-13 13:19:39

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 38.143.132.0/22?

38.143.132.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 38.143.132.0 to 38.143.135.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 38.143.132.0/22 network?

The 38.143.132.0/22 range is allocated to Cogent Communications, LLC and announced via AS174 from Canada.

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