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CIDR Range

140.113.9.0/24

Addresses
256
256
Sub-ranges
0+
within this block
PTR Density
0.4%
1 of 256 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.

82/100
Trusted
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 140.113.9.0/24

140.113.9.0/24 runs from 140.113.9.0 to 140.113.9.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 140.112.0.0/12.

Announced prefix
Origin AS
Announcement samples
91,631
Last seen
2026-11-13 08:32:41

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 RIR Transfer arin apnic

Frequently Asked Questions

What is 140.113.9.0/24?

140.113.9.0/24 is a CIDR network block containing 256 IPv4 addresses (from 140.113.9.0 to 140.113.9.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 140.113.9.0/24 network?

The 140.113.9.0/24 range is allocated to National Yang Ming Chiao Tung University and announced via AS9916 from Taiwan.

How many IP addresses are in 140.113.9.0/24?

140.113.9.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-11-13 08:39:05 UTC
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