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CIDR Range

91.125.144.0/20

Addresses
4,096
4.1K
Sub-ranges
16+
within this block
PTR Density
100.0%
4.1K of 4.1K 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 →

Ranges inside 91.125.144.0/20

First and last addresses in 91.125.144.0/20

91.125.144.0/20 runs from 91.125.144.0 to 91.125.159.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 91.125.0.0/16.

Announced prefix
Origin AS
Announcement samples
16,074
Last seen
2026-11-13 05:41:44

Frequently Asked Questions

What is 91.125.144.0/20?

91.125.144.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 91.125.144.0 to 91.125.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 91.125.144.0/20 network?

The 91.125.144.0/20 range is allocated to British Telecommunications Limited and announced via AS6871 from United Kingdom.

Last updated: 2026-11-13 08:24:05 UTC
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