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CIDR Range

166.81.54.16/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
0.0%
0 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.

76/100
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 16 IP addresses in 166.81.54.16/28

Not announced as an exact prefix — covered by the announced supernet 166.81.54.0/24.

Announced prefix
Origin AS
Announcement samples
48,471
Last seen
2026-10-20 09:44:51

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — HK

Frequently Asked Questions

What is 166.81.54.16/28?

166.81.54.16/28 is a CIDR network block containing 16 IPv4 addresses (from 166.81.54.16 to 166.81.54.31). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 166.81.54.16/28 network?

The 166.81.54.16/28 range is allocated to Standard Chartered Bank Hong Kong Limited.Banking and and announced via AS38166 from Hong Kong.

How many IP addresses are in 166.81.54.16/28?

166.81.54.16/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-10-20 16:39:05 UTC
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