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CIDR Range

81.174.169.144/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
37.5%
6 of 16 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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 16 IP addresses in 81.174.169.144/28

Not announced as an exact prefix — covered by the announced supernet 81.174.128.0/17.

Announced prefix
Origin AS
Announcement samples
14,033
Last seen
2026-10-14 22:15:11

Frequently Asked Questions

What is 81.174.169.144/28?

81.174.169.144/28 is a CIDR network block containing 16 IPv4 addresses (from 81.174.169.144 to 81.174.169.159). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.174.169.144/28 network?

The 81.174.169.144/28 range is allocated to British Telecommunications PLC and announced via AS6871 from United Kingdom.

How many IP addresses are in 81.174.169.144/28?

81.174.169.144/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-10-14 22:39:05 UTC
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