Skip to main content
CIDR Range

183.81.224.240/28

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 183.81.224.240/28

Not announced as an exact prefix — covered by the announced supernet 183.81.224.0/24.

Announced prefix
Origin AS
Announcement samples
21,811
Last seen
2026-10-20 22:38:28

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 — SG

Frequently Asked Questions

What is 183.81.224.240/28?

183.81.224.240/28 is a CIDR network block containing 16 IPv4 addresses (from 183.81.224.240 to 183.81.224.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 183.81.224.240/28 network?

The 183.81.224.240/28 range is allocated to Singapore Telecom, ConnectPlus and announced via AS136041 from Malaysia.

How many IP addresses are in 183.81.224.240/28?

183.81.224.240/28 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 22:39:05 UTC
Share