AS28257
CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA
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 →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 186.225.80.0/20 | 4.1K |
89.2%
|
CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA | BR | Rio Grande do Norte | Baraúna |
| 177.129.40.0/21 | 2.0K |
89.9%
|
CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA | BR | Ceará | Limoeiro do Norte |
| 138.36.140.0/22 | 1.0K |
94.7%
|
CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA | BR | Rio Grande do Norte | Baraúna |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28257 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 |
|---|---|---|
| 138.36.140.0/22 | 56,962 | 2026-07-29 05:17:12 |
| 186.225.80.0/20 | 29,235 | 2026-07-29 05:17:12 |
| 177.129.40.0/21 | 28,974 | 2026-07-29 05:17:12 |
| 177.129.41.0/24 | 8,612 | 2026-07-29 04:22:42 |
| 177.129.43.0/24 | 1,557 | 2026-06-20 17:29:21 |
Frequently Asked Questions
What is AS28257?
AS28257 is an Autonomous System Number assigned to CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA. 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 AS28257 announce?
AS28257 announces 7.2K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS28257?
AS28257 is operated by CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS28257 registered in?
AS28257 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
