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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: IX.br (PTT.br) Rio de Janeiro: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 191.240.224.0/19 | 8.2K |
94.7%
|
Friburgo Online LTDA ME | BR | Rio de Janeiro | Nova Friburgo |
| 177.54.112.0/20 | 4.1K |
86.6%
|
Friburgo Online LTDA ME | BR | Rio de Janeiro | Nova Friburgo |
| 186.194.192.0/20 | 4.1K |
96.1%
|
Friburgo Online LTDA ME | BR | Rio de Janeiro | Nova Friburgo |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS53142 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 |
|---|---|---|
| 191.240.255.0/24 | 142,487 | 2026-10-18 08:51:08 |
| 186.194.205.0/24 | 80,538 | 2026-10-18 08:51:06 |
| 186.194.204.0/24 | 71,235 | 2026-10-18 08:51:06 |
| 186.194.203.0/24 | 71,219 | 2026-10-18 08:51:06 |
| 191.240.254.0/24 | 63,241 | 2026-10-18 08:51:07 |
| 177.54.114.0/24 | 62,744 | 2026-10-18 08:51:07 |
| 177.54.112.0/20 | 51,695 | 2026-10-18 08:51:09 |
| 186.194.192.0/20 | 51,254 | 2026-10-18 08:51:09 |
| 191.240.224.0/19 | 50,803 | 2026-10-18 08:51:09 |
| 177.54.120.0/21 | 2,345 | 2026-10-17 22:09:39 |
| 186.194.192.0/21 | 2,182 | 2026-10-17 22:09:39 |
| 177.54.112.0/21 | 2,137 | 2026-10-17 22:09:39 |
| 186.194.192.0/22 | 2,130 | 2026-10-18 00:59:46 |
| 177.54.120.0/22 | 2,110 | 2026-10-18 00:59:46 |
| 186.194.204.0/22 | 2,100 | 2026-10-18 00:59:46 |
| 191.240.240.0/21 | 2,095 | 2026-10-17 22:09:39 |
| 191.240.252.0/22 | 2,083 | 2026-10-18 00:59:46 |
| 191.240.232.0/21 | 2,083 | 2026-10-17 22:09:39 |
| 191.240.224.0/21 | 2,082 | 2026-10-17 22:09:39 |
| 191.240.248.0/21 | 2,078 | 2026-10-17 22:09:39 |
| 186.194.196.0/22 | 2,061 | 2026-10-18 00:59:46 |
| 186.194.200.0/22 | 2,059 | 2026-10-18 00:59:46 |
| 191.240.248.0/22 | 2,058 | 2026-10-18 00:59:46 |
| 186.194.200.0/21 | 2,058 | 2026-10-17 22:09:39 |
| 191.240.224.0/22 | 2,053 | 2026-10-18 01:00:30 |
| 177.54.112.0/22 | 2,052 | 2026-10-18 00:59:46 |
| 191.240.232.0/22 | 2,048 | 2026-10-18 00:59:46 |
| 191.240.236.0/22 | 2,048 | 2026-10-18 00:59:46 |
| 177.54.116.0/22 | 2,046 | 2026-10-18 01:00:30 |
| 191.240.244.0/22 | 2,046 | 2026-10-18 01:00:30 |
| 191.240.228.0/22 | 2,045 | 2026-10-18 01:00:30 |
| 177.54.124.0/22 | 2,043 | 2026-10-18 00:59:46 |
| 191.240.240.0/22 | 2,039 | 2026-10-18 01:00:30 |
| 191.240.224.0/24 | 138 | 2026-10-01 22:07:56 |
| 191.240.225.0/24 | 138 | 2026-10-01 22:07:56 |
| 191.240.227.0/24 | 138 | 2026-10-01 22:07:56 |
| 191.240.226.0/24 | 138 | 2026-10-01 22:07:56 |
| 191.240.228.0/24 | 134 | 2026-10-01 22:07:56 |
| 191.240.224.0/20 | 134 | 2026-10-01 22:07:56 |
| 191.240.242.0/23 | 134 | 2026-10-01 22:07:56 |
| 191.240.230.0/24 | 134 | 2026-10-01 22:07:56 |
| 191.240.234.0/23 | 134 | 2026-10-01 22:07:56 |
| 186.194.197.0/24 | 134 | 2026-10-01 22:07:56 |
| 191.240.238.0/23 | 134 | 2026-10-01 22:07:56 |
| 191.240.244.0/24 | 134 | 2026-10-01 22:07:56 |
| 186.194.200.0/23 | 134 | 2026-10-01 22:07:56 |
| 191.240.229.0/24 | 134 | 2026-10-01 22:07:56 |
| 191.240.245.0/24 | 134 | 2026-10-01 22:07:56 |
| 186.194.207.0/24 | 134 | 2026-10-01 22:07:56 |
| 186.194.199.0/24 | 134 | 2026-10-01 22:07:56 |
Showing top 50 of 82 announced prefixes by sample volume.
Frequently Asked Questions
What is AS53142?
AS53142 is an Autonomous System Number assigned to Friburgo Online LTDA ME. 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 AS53142 announce?
AS53142 announces 16.4K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS53142?
AS53142 is operated by Friburgo Online LTDA ME. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS53142 registered in?
AS53142 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
