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CIDR Range

138.217.118.0/25

Addresses
128
128
Sub-ranges
0+
within this block
PTR Density
42.2%
54 of 128 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 →

Geolocation

First and last addresses in 138.217.118.0/25

138.217.118.0/25 runs from 138.217.118.0 to 138.217.118.127.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 138.217.0.0/16.

Announced prefix
Origin AS
Announcement samples
27,337
Last seen
2026-11-06 07:02:21

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 138.217.118.0/25?

138.217.118.0/25 is a CIDR network block containing 128 IPv4 addresses (from 138.217.118.0 to 138.217.118.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 138.217.118.0/25 network?

The 138.217.118.0/25 range is allocated to Telstra Limited and announced via AS1221 from Australia.

How many IP addresses are in 138.217.118.0/25?

138.217.118.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-11-06 07:09:05 UTC
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