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
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 200.152.96.0/19 | 8.2K |
29.9%
|
MLS Wireless SA | BR | Rio de Janeiro | Rio de Janeiro |
| 201.23.224.0/19 | 8.2K |
21.5%
|
MLS Wireless SA | BR | Rio de Janeiro | Rio de Janeiro |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21571 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 200.152.97.0/24 | 497,718 | 2026-09-18 00:13:50 |
| 200.152.96.0/24 | 422,679 | 2026-09-18 00:14:59 |
| 200.152.112.0/20 | 409,022 | 2026-09-18 00:14:59 |
| 200.152.96.0/20 | 408,819 | 2026-09-18 00:14:59 |
| 200.152.98.0/24 | 408,731 | 2026-09-18 00:14:59 |
| 201.23.224.0/19 | 295,440 | 2026-09-18 00:14:59 |
| 200.152.126.0/24 | 93,093 | 2026-09-18 00:13:54 |
| 200.152.110.0/24 | 92,664 | 2026-09-18 00:13:54 |
| 200.152.121.0/24 | 92,154 | 2026-09-18 00:13:54 |
| 200.152.106.0/24 | 17,914 | 2026-09-18 00:14:59 |
| 200.152.111.0/24 | 17,898 | 2026-09-18 00:14:59 |
| 200.152.104.0/24 | 17,885 | 2026-09-18 00:14:59 |
| 200.152.117.0/24 | 17,880 | 2026-09-18 00:14:59 |
| 200.152.107.0/24 | 17,859 | 2026-09-18 00:14:59 |
| 200.152.125.0/24 | 17,845 | 2026-09-18 00:14:59 |
| 200.152.101.0/24 | 17,843 | 2026-09-18 00:14:59 |
| 200.152.124.0/24 | 17,841 | 2026-09-18 00:14:59 |
| 200.152.119.0/24 | 17,835 | 2026-09-18 00:14:59 |
| 200.152.114.0/24 | 17,833 | 2026-09-18 00:14:59 |
| 200.152.116.0/24 | 17,825 | 2026-09-18 00:14:59 |
| 200.152.109.0/24 | 17,818 | 2026-09-18 00:14:59 |
| 200.152.100.0/24 | 17,815 | 2026-09-18 00:14:59 |
| 200.152.113.0/24 | 17,807 | 2026-09-18 00:14:59 |
| 200.152.105.0/24 | 17,801 | 2026-09-18 00:14:59 |
| 200.152.118.0/24 | 17,797 | 2026-09-18 00:14:59 |
| 200.152.108.0/24 | 17,776 | 2026-09-18 00:14:59 |
| 200.152.103.0/24 | 17,765 | 2026-09-18 00:14:59 |
| 201.23.225.0/24 | 17,753 | 2026-09-18 00:14:59 |
| 200.152.102.0/24 | 17,743 | 2026-09-18 00:14:59 |
| 200.152.115.0/24 | 17,729 | 2026-09-18 00:14:59 |
| 201.23.230.0/24 | 17,725 | 2026-09-18 00:14:59 |
| 201.23.235.0/24 | 17,711 | 2026-09-18 00:14:59 |
| 201.23.229.0/24 | 17,680 | 2026-09-18 00:14:59 |
| 201.23.227.0/24 | 17,678 | 2026-09-18 00:14:59 |
| 201.23.228.0/24 | 17,675 | 2026-09-18 00:14:59 |
| 201.23.226.0/24 | 17,673 | 2026-09-18 00:14:59 |
| 201.23.224.0/24 | 17,651 | 2026-09-18 00:14:59 |
| 201.23.234.0/24 | 17,650 | 2026-09-18 00:14:59 |
| 201.23.231.0/24 | 17,649 | 2026-09-18 00:14:59 |
| 201.23.233.0/24 | 17,641 | 2026-09-18 00:14:59 |
| 201.23.232.0/24 | 17,640 | 2026-09-18 00:14:59 |
| 200.152.120.0/24 | 17,452 | 2026-09-18 00:14:59 |
| 201.23.236.0/24 | 17,428 | 2026-09-18 00:14:59 |
| 200.152.99.0/24 | 3,408 | 2026-09-17 23:48:26 |
Frequently Asked Questions
What is AS21571?
AS21571 is an Autonomous System Number assigned to MLS Wireless S/A. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS21571 announce?
AS21571 announces 16.4K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS21571?
AS21571 is operated by MLS Wireless S/A. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS21571 registered in?
AS21571 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
