CIDR Range

181.10.28.0/22

1.0K IPs /22 Telecom Argentina S.A. AS7303 Argentina LACNIC

Addresses

1,024

1.0K

IP Range

181.10.28.0

→ 181.10.31.255

Sub-ranges

within this block

PTR Density

99.3%

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

Baseline (neutral) 65
Long-established allocation (16y) +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 181.10.28.0/22

181.10.28.0/22 runs from 181.10.28.0 to 181.10.31.255.

First 16

181.10.28.0 181.10.28.1 181.10.28.2 181.10.28.3 181.10.28.4 181.10.28.5 181.10.28.6 181.10.28.7 181.10.28.8 181.10.28.9 181.10.28.10 181.10.28.11 181.10.28.12 181.10.28.13 181.10.28.14 181.10.28.15

Last 16

181.10.31.240 181.10.31.241 181.10.31.242 181.10.31.243 181.10.31.244 181.10.31.245 181.10.31.246 181.10.31.247 181.10.31.248 181.10.31.249 181.10.31.250 181.10.31.251 181.10.31.252 181.10.31.253 181.10.31.254 181.10.31.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 181.10.0.0/15.

Announced prefix

181.10.0.0/15

Origin AS

AS7303

Announcement samples

31,597

Last seen

2026-11-13 08:11:48

Frequently Asked Questions

What is 181.10.28.0/22?

181.10.28.0/22 is a CIDR network block containing 1,024 IPv4 addresses (from 181.10.28.0 to 181.10.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 181.10.28.0/22 network?

The 181.10.28.0/22 range is allocated to Telecom Argentina S.A. and announced via AS7303 from Argentina.

Last updated: 2026-11-13 08:24:05 UTC