The data shown may not match the actual data as the AS data is updated monthly.
AS266356 PRONTO FIBRA LTDA
Spam statistics of AS266356 PRONTO FIBRA LTDA
| Country | Number of networks | IP Addresses | Purpose of use |
|---|---|---|---|
| Brazil | |||
| Domain | Detected IP addresses | Spam active IPs | Spam rate |
| - | 644 | 17 | 2.64% |
| Websites count | IP addresses with websites | ||
| 10 | 10 |
Spam activity log
Overview of AS266356
Ownership and Main Operational Activity
AS266356 is assigned to the entity 'Vitória Sistemas de Informatica Ltda'. This organization primarily engages in information technology services, focusing on systems development and maintenance for various software applications. The activities are likely centered around providing IT solutions and support.
Establishment
The exact establishment date of AS266356 is not specified in public records. Autonomous Systems numbers (ASNs) are typically allocated to organizations upon their request and after meeting specific criteria set by regional internet registries responsible for the geographical area where the organization operates.
Security Concerns: Hackers and Spammers
According to cleantalk.org, a website that monitors IP addresses and ASNs for malicious activities, AS266356 does not currently have a significant record of being used by hackers or spammers. However, it's important to note that any network can potentially be compromised and used for malicious intents without the owner's consent. Therefore, continuous monitoring and implementing robust security measures are essential to prevent such activities.
It is always recommended to refer to updated security databases and resources to get the most current information regarding the security status of any Autonomous System.
Whois AS266356
SPAM active IP addresses in AS266356 PRONTO FIBRA LTDA
| # | Sender IP | Detected | Last seen | Reported as spam |
|---|---|---|---|---|
| 1 | 45.234.138.193 | 2025-10-07 04:36:20 | 2026-09-18 21:17:16 | 3 |
| 2 | 45.234.138.246 | 2025-10-05 11:19:26 | 2026-09-19 07:32:56 | 3 |
| 3 | 45.234.138.153 | 2024-09-19 12:55:26 | 2026-09-20 18:04:57 | 3 |
| 4 | 170.239.226.121 | 2019-04-27 13:36:02 | 2026-09-20 19:08:05 | 3 |
| 5 | 45.234.136.80 | 2026-01-14 22:14:29 | 2026-09-21 00:59:36 | 3 |
| 6 | 45.234.137.72 | 2025-10-11 09:23:29 | 2026-09-21 11:07:42 | 3 |
| 7 | 45.234.138.61 | 2025-10-15 19:37:11 | 2026-09-21 20:28:43 | 3 |
| 8 | 45.234.137.23 | 2025-10-11 20:40:51 | 2026-09-22 04:54:04 | 3 |
| 9 | 45.234.138.6 | 2025-10-07 17:17:40 | 2026-09-23 08:55:11 | 3 |
| 10 | 45.234.138.37 | 2024-06-13 04:30:36 | 2026-09-24 03:57:42 | 3 |
| 11 | 187.121.236.190 | 2026-01-28 17:39:49 | 2026-09-24 04:07:33 | 3 |
| 12 | 187.121.236.44 | 2025-11-22 06:50:35 | 2026-09-24 11:22:58 | 3 |
| 13 | 170.239.226.25 | 2025-12-13 13:36:08 | 2026-09-24 23:05:31 | 3 |
| 14 | 45.234.138.76 | 2024-02-04 18:03:53 | 2026-09-25 05:46:23 | 3 |
| 15 | 170.239.226.234 | 2019-01-23 09:21:21 | 2026-09-26 07:08:59 | 3 |
| 16 | 170.239.226.120 | 2025-11-03 18:04:38 | 2026-09-26 16:32:08 | 3 |
| 17 | 45.234.136.79 | 2026-07-28 18:35:25 | 2026-09-27 17:06:14 | 3 |
| 18 | 170.239.226.36 | 2025-10-15 21:48:33 | 2026-09-28 22:21:06 | 3 |
| 19 | 170.239.227.123 | 2026-03-28 04:46:39 | 2026-09-20 20:39:33 | 4 |
| 20 | 45.234.137.87 | 2024-06-16 03:10:35 | 2026-09-25 02:02:50 | 4 |
| 21 | 170.239.226.32 | 2018-05-31 23:30:38 | 2026-09-18 20:55:11 | 5 |
| 22 | 187.121.236.56 | 2026-02-21 08:20:36 | 2026-09-22 16:47:46 | 5 |
| 23 | 170.239.226.176 | 2026-01-09 18:16:35 | 2026-09-17 15:28:45 | 6 |
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 170.239.226.0/23 | Brazil | 512 | 394 | 20 | 4.00% |
| 2 | 170.239.226.0/24 | Brazil | 256 | 254 | 14 | 5.00% |
| 3 | 187.121.224.0/20 | Brazil | 4096 | 517 | 10 | 0.00% |
| 4 | 45.234.138.0/24 | Brazil | 256 | 256 | 9 | 4.00% |
| 5 | 45.234.138.0/23 | Brazil | 512 | 258 | 9 | 2.00% |
| 6 | 45.234.136.0/23 | Brazil | 512 | 142 | 6 | 1.00% |
| 7 | 170.239.227.0/24 | Brazil | 256 | 140 | 6 | 2.00% |
| 8 | 45.234.136.0/24 | Brazil | 256 | 14 | 1 | 0.00% |
| 9 | 170.239.224.0/23 | Brazil | 512 | 14 | 0 | 0.00% |
| 10 | 170.239.224.0/24 | Brazil | 256 | 6 | 0 | 0.00% |
| 11 | 170.239.225.0/24 | Brazil | 256 | 8 | 0 | 0.00% |
| 12 | 187.121.224.0/24 | Brazil | 256 | 12 | 0 | 0.00% |
| 13 | 187.121.224.0/21 | Brazil | 2048 | 52 | 0 | 0.00% |
| 14 | 187.121.225.0/24 | Brazil | 256 | 7 | 0 | 0.00% |
| 15 | 187.121.228.0/24 | Brazil | 256 | 3 | 0 | 0.00% |
| 16 | 187.121.229.0/24 | Brazil | 256 | 8 | 0 | 0.00% |
| 17 | 187.121.230.0/24 | Brazil | 256 | 14 | 0 | 0.00% |
| 18 | 187.121.231.0/24 | Brazil | 256 | 5 | 0 | 0.00% |