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
- Trust score 65 / 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 |
|---|---|---|---|---|---|---|
| 131.221.252.0/22 | 1.0K |
0.4%
|
BRASIL TECPAR | AMIGO | AVATO | BR | Mato Grosso | Sinop |
| 138.186.52.0/22 | 1.0K |
0.0%
|
BRASIL TECPAR | AMIGO | AVATO | BR | Mato Grosso | Sorriso |
| 186.251.156.0/22 | 1.0K |
0.0%
|
BRASIL TECPAR | AMIGO | AVATO | BR | Mato Grosso | Sinop |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS52900 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 |
|---|---|---|
| 138.186.52.0/22 | 67,940 | 2026-09-12 08:54:52 |
| 186.251.156.0/22 | 67,214 | 2026-09-12 08:54:52 |
| 131.221.252.0/22 | 66,780 | 2026-09-12 08:54:52 |
| 131.221.255.0/24 | 23,277 | 2026-07-29 09:20:41 |
| 131.221.254.0/23 | 23,267 | 2026-07-29 09:20:41 |
| 131.221.252.0/23 | 23,255 | 2026-07-29 09:20:41 |
| 138.186.55.0/24 | 23,217 | 2026-07-29 09:20:41 |
| 131.221.253.0/24 | 23,216 | 2026-07-29 09:20:41 |
| 131.221.252.0/24 | 23,214 | 2026-07-29 09:20:41 |
| 138.186.54.0/23 | 23,199 | 2026-07-29 09:20:41 |
| 138.186.52.0/23 | 23,199 | 2026-07-29 09:20:41 |
| 138.186.54.0/24 | 23,196 | 2026-07-29 09:20:41 |
| 186.251.158.0/24 | 23,187 | 2026-07-29 09:20:41 |
| 186.251.158.0/23 | 23,186 | 2026-07-29 09:20:41 |
| 138.186.53.0/24 | 23,179 | 2026-07-29 09:20:41 |
| 138.186.52.0/24 | 23,175 | 2026-07-29 09:20:41 |
| 186.251.157.0/24 | 23,172 | 2026-07-29 09:20:41 |
| 131.221.254.0/24 | 23,162 | 2026-07-29 09:20:41 |
| 186.251.156.0/23 | 23,149 | 2026-07-29 09:20:41 |
| 186.251.159.0/24 | 23,132 | 2026-07-29 09:20:41 |
| 186.251.156.0/24 | 23,128 | 2026-07-29 09:20:41 |
| 192.140.104.0/24 | 115 | 2026-08-28 20:15:56 |
Frequently Asked Questions
What is AS52900?
AS52900 is an Autonomous System Number assigned to AS52900. 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 AS52900 announce?
AS52900 announces 3.1K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS52900?
AS52900 is operated by AS52900. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS52900 registered in?
AS52900 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
