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CIDR Range

38.70.18.0/23

512 IPs /23 United States ARIN
Addresses
512
512
Sub-ranges
6+
within this block
PTR Density
13.9%
71 of 512 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.

76/100
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 38.70.18.0/23

First and last addresses in 38.70.18.0/23

38.70.18.0/23 runs from 38.70.18.0 to 38.70.19.255.

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
17,134
Last seen
2026-11-04 23:20:41

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 38.70.18.0/23?

38.70.18.0/23 is a CIDR network block containing 512 IPv4 addresses (from 38.70.18.0 to 38.70.19.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 38.70.18.0/23 network?

The 38.70.18.0/23 range is allocated to an unknown organization from United States.

Last updated: 2026-11-05 00:09:07 UTC
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