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CIDR Range

181.131.56.0/22

1.0K IPs /22 UNE EPM TELECOMUNICACIONES S.A. AS13489 Colombia LACNIC
Addresses
1,024
1.0K
IP Range
181.131.56.0
→ 181.131.59.255
Sub-ranges
0+
within this block
PTR Density
99.2%
1.0K of 1.0K 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 →

Geolocation

First and last addresses in 181.131.56.0/22

181.131.56.0/22 runs from 181.131.56.0 to 181.131.59.255.

First 16
181.131.56.0 181.131.56.1 181.131.56.2 181.131.56.3 181.131.56.4 181.131.56.5 181.131.56.6 181.131.56.7 181.131.56.8 181.131.56.9 181.131.56.10 181.131.56.11 181.131.56.12 181.131.56.13 181.131.56.14 181.131.56.15
Last 16
181.131.59.240 181.131.59.241 181.131.59.242 181.131.59.243 181.131.59.244 181.131.59.245 181.131.59.246 181.131.59.247 181.131.59.248 181.131.59.249 181.131.59.250 181.131.59.251 181.131.59.252 181.131.59.253 181.131.59.254 181.131.59.255

BGP Routing

Live BGP anomalies →

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

Announced prefix
181.128.0.0/12
Origin AS
AS13489
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 181.131.56.0/22?

181.131.56.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 181.131.56.0 to 181.131.59.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 181.131.56.0/22 network?

The 181.131.56.0/22 range is allocated to UNE EPM TELECOMUNICACIONES S.A. and announced via AS13489 from Colombia.

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