AS263537
Via Fibra Internet Banda Larga EIRELI
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 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 191.5.112.0/20 | 4.1K |
84.4%
|
Via Fibra Internet Banda Larga EIRELI | BR | São Paulo | Olímpia |
| 45.70.140.0/22 | 1.0K |
86.9%
|
Via Fibra Internet Banda Larga EIRELI | BR | São Paulo | Olímpia |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS263537 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 |
|---|---|---|
| 191.5.112.0/20 | 88,051 | 2026-07-31 04:27:16 |
| 191.5.112.0/24 | 68,910 | 2026-07-31 03:27:06 |
| 45.70.140.0/22 | 56,747 | 2026-07-31 03:26:03 |
| 191.5.124.0/24 | 13,172 | 2026-07-31 04:43:57 |
| 191.5.125.0/24 | 8,814 | 2026-07-29 15:43:28 |
| 191.5.114.0/24 | 7,197 | 2026-07-29 15:43:28 |
| 191.5.120.0/21 | 1,036 | 2026-07-30 23:59:15 |
| 191.5.112.0/21 | 1,029 | 2026-07-30 23:59:15 |
| 191.5.124.0/22 | 1,027 | 2026-07-30 23:59:15 |
| 191.5.120.0/22 | 1,008 | 2026-07-30 23:59:15 |
| 191.5.112.0/23 | 1,006 | 2026-07-30 23:59:15 |
| 191.5.112.0/22 | 1,002 | 2026-07-30 23:59:15 |
| 191.5.116.0/22 | 987 | 2026-07-30 23:59:15 |
| 191.5.122.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.115.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.113.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.117.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.121.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.126.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.116.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.127.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.120.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.123.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.119.0/24 | 193 | 2026-07-29 15:43:28 |
| 191.5.118.0/24 | 193 | 2026-07-29 15:43:28 |
| 45.70.142.0/24 | 184 | 2026-07-28 22:11:09 |
| 45.70.143.0/24 | 184 | 2026-07-28 22:11:09 |
| 45.70.141.0/24 | 184 | 2026-07-28 22:11:09 |
| 45.70.140.0/24 | 184 | 2026-07-28 22:11:09 |
Frequently Asked Questions
What is AS263537?
AS263537 is an Autonomous System Number assigned to Via Fibra Internet Banda Larga EIRELI. 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 AS263537 announce?
AS263537 announces 5.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS263537?
AS263537 is operated by Via Fibra Internet Banda Larga EIRELI. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS263537 registered in?
AS263537 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
