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CIDR Range

81.9.29.0/25

Addresses
128
128
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 128 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.

75/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 128 IP addresses in 81.9.29.0/25

Not announced as an exact prefix — covered by the announced supernet 81.9.16.0/20.

Announced prefix
Origin AS
Announcement samples
164,511
Last seen
2026-10-15 23:21:42

Frequently Asked Questions

What is 81.9.29.0/25?

81.9.29.0/25 is a CIDR network block containing 128 IPv4 addresses (from 81.9.29.0 to 81.9.29.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.9.29.0/25 network?

The 81.9.29.0/25 range is allocated to PVimpelCom and announced via AS3216 from Russia.

How many IP addresses are in 81.9.29.0/25?

81.9.29.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-10-15 23:39:06 UTC
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