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.
- Baseline (neutral) 65
- Long-established allocation (15y) +6
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 181.131.48.0/21
181.131.48.0/21 runs from 181.131.48.0 to 181.131.55.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 181.128.0.0/12.
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 181.131.48.0/21?
181.131.48.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 181.131.48.0 to 181.131.55.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 181.131.48.0/21 network?
The 181.131.48.0/21 range is allocated to UNE EPM TELECOMUNICACIONES S.A. and announced via AS13489 from Colombia.
