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CIDR Range

123.143.128.0/18

Addresses
16,384
16.4K
Sub-ranges
2+
within this block
PTR Density
0.0%
2 of 16.4K 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 123.143.128.0/18

First and last addresses in 123.143.128.0/18

123.143.128.0/18 runs from 123.143.128.0 to 123.143.191.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 123.140.0.0/14.

Announced prefix
Origin AS
Announcement samples
28,486
Last seen
2026-11-14 11:45:06

Frequently Asked Questions

What is 123.143.128.0/18?

123.143.128.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 123.143.128.0 to 123.143.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 123.143.128.0/18 network?

The 123.143.128.0/18 range is allocated to LG DACOM Corporation and announced via AS3786 from South Korea.

Last updated: 2026-11-14 16:54:06 UTC
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