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CIDR Range

138.44.192.0/20

Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
4.3%
178 of 4.1K 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 138.44.192.0/20

138.44.192.0/20 runs from 138.44.192.0 to 138.44.207.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
33,404
Last seen
2026-11-05 16:53:08

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 138.44.192.0/20?

138.44.192.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 138.44.192.0 to 138.44.207.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 138.44.192.0/20 network?

The 138.44.192.0/20 range is allocated to Australian Academic and Research Network AARNet and announced via AS7575 from Australia.

Last updated: 2026-11-05 17:09:05 UTC
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