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
- Isp allocation +5
- Trust score 70 / 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) São Paulo: ATM/MPLA, Equinix São Paulo: Equinix IX - SP Metro, IX.br (PTT.br) Ribeirão Preto
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 177.200.64.0/20 | 4.1K |
90.2%
|
ALCANS TELECOM LTDA | BR | São Paulo | Ribeirão Preto |
| 177.52.80.0/21 | 2.0K |
91.7%
|
ALCANS SERVICOS EM TELECOMUNICACOES LTDA | BR | São Paulo | Ribeirão Preto |
| 177.74.184.0/21 | 2.0K |
84.9%
|
ALCANS TELECOM LTDA | BR | São Paulo | Ribeirão Preto |
| 131.255.116.0/22 | 1.0K |
94.4%
|
ALCANS TELECOM LTDA | BR | São Paulo | Ribeirão Preto |
| 138.122.132.0/22 | 1.0K |
79.4%
|
ALCANS TELECOM LTDA | BR | Minas Gerais | Monte Santo de Minas |
| 138.255.192.0/22 | 1.0K |
92.3%
|
ALCANS TELECOM LTDA | BR | Minas Gerais | Monte Santo de Minas |
| 170.78.116.0/22 | 1.0K |
63.1%
|
ALCANS TELECOM LTDA | BR | São Paulo | Ribeirão Preto |
| 170.254.76.0/22 | 1.0K |
60.1%
|
ALCANS TELECOM LTDA | BR | Minas Gerais | Monte Santo de Minas |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS52783 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 |
|---|---|---|
| 131.255.116.0/23 | 126,241 | 2026-07-13 06:46:20 |
| 177.52.80.0/21 | 35,824 | 2026-07-24 21:02:46 |
| 177.200.64.0/20 | 34,825 | 2026-07-24 21:09:58 |
| 177.74.184.0/21 | 34,762 | 2026-07-24 21:09:58 |
| 138.122.132.0/22 | 34,730 | 2026-07-24 21:09:58 |
| 131.255.116.0/22 | 34,711 | 2026-07-24 21:09:58 |
| 138.255.192.0/22 | 34,699 | 2026-07-24 21:09:58 |
| 170.78.116.0/22 | 34,693 | 2026-07-24 21:09:58 |
| 170.254.76.0/22 | 34,683 | 2026-07-24 21:09:58 |
| 177.52.82.0/23 | 33,731 | 2026-07-24 21:02:46 |
| 177.200.68.0/24 | 33,525 | 2026-07-24 21:09:58 |
| 177.200.76.0/24 | 9,617 | 2026-07-24 20:28:20 |
| 177.200.74.0/24 | 9,483 | 2026-07-24 20:28:20 |
| 170.254.79.0/24 | 8,819 | 2026-07-24 20:28:23 |
| 138.122.134.0/23 | 6,760 | 2026-07-24 20:28:20 |
| 138.122.132.0/23 | 6,743 | 2026-07-24 20:28:20 |
Frequently Asked Questions
What is AS52783?
AS52783 is an Autonomous System Number assigned to ALCANS TELECOM LTDA. 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 AS52783 announce?
AS52783 announces 13.3K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS52783?
AS52783 is operated by ALCANS TELECOM LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS52783 registered in?
AS52783 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
