Skip to main content
WorldIP.io
CIDR Range

181.131.0.0/19

Addresses
8,192
8.2K
Sub-ranges
14+
within this block
PTR Density
95.9%
7.9K of 8.2K 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 181.131.0.0/19

First and last addresses in 181.131.0.0/19

181.131.0.0/19 runs from 181.131.0.0 to 181.131.31.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 181.128.0.0/12.

Announced prefix
Origin AS
Announcement samples
31,808
Last seen
2026-10-27 12:24:50

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 — CO

Frequently Asked Questions

What is 181.131.0.0/19?

181.131.0.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 181.131.0.0 to 181.131.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 181.131.0.0/19 network?

The 181.131.0.0/19 range is allocated to UNE EPM TELECOMUNICACIONES S.A. and announced via AS13489 from Colombia.

Last updated: 2026-10-27 13:39:05 UTC
Share