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CIDR Range

202.175.16.0/21

Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
87.9%
1.8K of 2.0K 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 202.175.16.0/21

202.175.16.0/21 runs from 202.175.16.0 to 202.175.23.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 202.175.0.0/19.

Announced prefix
Origin AS
Announcement samples
15,993
Last seen
2026-11-13 21:48:18

Frequently Asked Questions

What is 202.175.16.0/21?

202.175.16.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 202.175.16.0 to 202.175.23.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 202.175.16.0/21 network?

The 202.175.16.0/21 range is allocated to Companhia de Telecomunicacoes de Macau SARL and announced via AS4609 from Macao.

Last updated: 2026-11-13 22:09:05 UTC
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