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CIDR Range

203.129.16.0/22

Addresses
1,024
1.0K
Sub-ranges
0+
within this block
PTR Density
99.4%
1.0K of 1.0K 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.

81/100
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 203.129.16.0/22

203.129.16.0/22 runs from 203.129.16.0 to 203.129.19.255.

First 16
Last 16

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

Announced prefix
Origin AS
Announcement samples
36,353
Last seen
2026-11-13 08:32:42

Frequently Asked Questions

What is 203.129.16.0/22?

203.129.16.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 203.129.16.0 to 203.129.19.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 203.129.16.0/22 network?

The 203.129.16.0/22 range is allocated to Aussie Broadband and announced via AS4764 from Australia.

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