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CIDR Range

125.253.8.0/21

Addresses
2,048
2.0K
Sub-ranges
4+
within this block
PTR Density
99.3%
2.0K 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.

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 →

Ranges inside 125.253.8.0/21

First and last addresses in 125.253.8.0/21

125.253.8.0/21 runs from 125.253.8.0 to 125.253.15.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 125.253.0.0/18.

Announced prefix
Origin AS
Announcement samples
61,795
Last seen
2026-11-14 09:18:02

Frequently Asked Questions

What is 125.253.8.0/21?

125.253.8.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 125.253.8.0 to 125.253.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 125.253.8.0/21 network?

The 125.253.8.0/21 range is allocated to Superloop and announced via AS38195 from Australia.

Last updated: 2026-11-14 09:24:05 UTC
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