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 →Present at 3 internet exchanges: IX.br (PTT.br) Fortaleza: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Natal: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 177.91.132.0/22 | 1.0K |
0.0%
|
L R DA FONSECA ME | BR | Rio Grande do Norte | Natal |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS263443 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 |
|---|---|---|
| 177.91.132.0/22 | 104,307 | 2026-08-05 12:25:33 |
| 177.91.135.0/24 | 64,378 | 2026-07-13 06:46:19 |
| 177.91.132.0/23 | 4,873 | 2026-08-05 12:25:52 |
| 177.91.134.0/23 | 4,849 | 2026-08-05 12:30:46 |
Frequently Asked Questions
What is AS263443?
AS263443 is an Autonomous System Number assigned to L R DA FONSECA 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 AS263443 announce?
AS263443 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS263443?
AS263443 is operated by L R DA FONSECA ME. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS263443 registered in?
AS263443 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
