Skip to main content
WorldIP.io
CIDR Range

202.123.128.0/21

Addresses
2,048
2.0K
Sub-ranges
6+
within this block
PTR Density
0.7%
14 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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 202.123.128.0/21

First and last addresses in 202.123.128.0/21

202.123.128.0/21 runs from 202.123.128.0 to 202.123.135.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 202.123.128.0/19.

Announced prefix
Origin AS
Announcement samples
29,009
Last seen
2026-11-13 13:32:45

Frequently Asked Questions

What is 202.123.128.0/21?

202.123.128.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 202.123.128.0 to 202.123.135.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 202.123.128.0/21 network?

The 202.123.128.0/21 range is allocated to PTI Pacifica Inc. and announced via AS7131 from Guam.

Last updated: 2026-11-13 13:54:05 UTC
Share