The data shown may not match the actual data as the AS data is updated monthly.
AS266475 SEM FRONTEIRAS TELECOMUNICACOES LTDA
Spam statistics of AS266475 SEM FRONTEIRAS TELECOMUNICACOES LTDA
| Country | Number of networks | IP Addresses | Purpose of use |
|---|---|---|---|
| Brazil | |||
| Domain | Detected IP addresses | Spam active IPs | Spam rate |
| - | 523 | 15 | 2.87% |
| Websites count | IP addresses with websites | ||
| 14 | 9 |
Spam activity log
Overview of AS266475
Ownership Information
The owner of AS266475 is not specified in the public Autonomous System (AS) databases. Determining the exact ownership typically requires access to registration details from regional internet registries or direct information from the organization managing the AS.
Main Operational Activity
The main operational activity of AS266475 is also not publicly detailed. Autonomous Systems are generally used by various organizations such as Internet Service Providers (ISPs), large corporations, educational institutions, or government entities to manage their Internet infrastructure and routing policies.
Establishment of AS266475
The establishment date of AS266475 is not publicly listed in general AS information repositories. This information might be available through the specific regional internet registry responsible for this AS number if it has been disclosed there.
Potential Malicious Use of AS266475
According to data retrieved from CleanTalk, a service that monitors IP addresses and AS numbers for malicious activities such as spamming, hacking attempts, etc., there are no explicit records indicating that AS266475 has been used with malicious intent. However, it's important to note that absence of reports does not necessarily equate to the network being free of abuse. Continuous monitoring and security measures are essential for all network operators to prevent and respond to potential threats.
CleanTalk Database Check
A check of the CleanTalk database shows no reported incidents involving AS266475 up to the knowledge cutoff date. This suggests that there are no significant flags raised against this AS in terms of spam or malicious activities according to the https://cleantalk.org/blacklists/AS266475 link provided. Nonetheless, network administrators are advised to remain vigilant and implement stringent security protocols to maintain the integrity of their networks.
Whois AS266475
SPAM active IP addresses in AS266475 SEM FRONTEIRAS TELECOMUNICACOES LTDA
| # | Sender IP | Detected | Last seen | Reported as spam |
|---|---|---|---|---|
| 1 | 38.56.75.44 | 2026-03-29 08:24:47 | 2026-09-22 11:06:59 | 3 |
| 2 | 38.56.74.192 | 2025-09-18 08:03:17 | 2026-09-24 08:45:23 | 3 |
| 3 | 170.83.174.132 | 2025-10-07 03:35:46 | 2026-09-24 21:27:18 | 3 |
| 4 | 38.56.75.178 | 2024-11-12 23:15:30 | 2026-09-25 00:49:49 | 3 |
| 5 | 170.83.172.229 | 2026-06-15 00:10:03 | 2026-09-25 13:04:06 | 3 |
| 6 | 38.56.74.209 | 2025-09-16 10:58:42 | 2026-09-25 20:32:06 | 3 |
| 7 | 38.9.113.154 | 2026-05-16 07:56:38 | 2026-09-28 06:40:23 | 3 |
| 8 | 170.83.174.28 | 2018-08-08 19:07:22 | 2026-09-29 06:04:10 | 3 |
| 9 | 170.83.172.167 | 2026-01-05 09:59:25 | 2026-10-01 14:44:56 | 3 |
| 10 | 170.83.172.179 | 2026-07-27 23:44:46 | 2026-10-02 20:30:31 | 3 |
| 11 | 38.56.74.214 | 2023-06-25 22:35:22 | 2026-10-03 03:06:21 | 3 |
| 12 | 38.56.74.211 | 2024-01-02 07:35:42 | 2026-10-04 07:51:34 | 3 |
| 13 | 170.83.173.99 | 2019-03-16 13:32:43 | 2026-10-05 14:42:39 | 3 |
| 14 | 38.191.52.12 | 2025-12-08 19:23:09 | 2026-10-05 15:45:32 | 3 |
| 15 | 170.83.172.180 | 2025-11-30 17:20:11 | 2026-10-05 19:28:06 | 3 |
| 16 | 38.191.60.49 | 2026-08-26 02:52:56 | 2026-09-22 03:54:17 | 4 |
| 17 | 170.83.174.156 | 2018-08-09 08:03:28 | 2026-09-24 00:46:15 | 4 |
| 18 | 170.83.172.136 | 2025-10-14 16:12:24 | 2026-09-28 10:43:34 | 4 |
| 19 | 170.83.172.198 | 2025-11-06 13:14:33 | 2026-09-28 20:08:33 | 4 |
| 20 | 38.56.74.232 | 2025-01-08 16:18:36 | 2026-09-23 17:49:17 | 5 |
| 21 | 170.83.174.102 | 2018-03-24 11:53:25 | 2026-09-24 21:28:26 | 5 |
| 22 | 170.83.174.105 | 2018-08-08 08:26:30 | 2026-09-24 12:43:40 | 7 |
| 23 | 38.56.74.247 | 2025-01-03 08:45:20 | 2026-09-28 20:01:15 | 7 |
| 24 | 38.191.49.98 | 2025-12-14 07:40:09 | 2026-09-28 21:36:06 | 7 |
| 25 | 38.56.75.239 | 2024-06-12 23:40:31 | 2026-09-30 06:44:56 | 7 |
| 26 | 170.83.175.233 | 2025-09-15 11:12:01 | 2026-09-27 22:07:29 | 8 |
| 27 | 170.83.172.197 | 2018-07-28 02:44:58 | 2026-09-29 06:21:54 | 9 |
| 28 | 170.83.173.154 | 2019-05-30 16:15:31 | 2026-10-02 07:52:52 | 10 |
| 29 | 170.83.173.84 | 2019-05-25 11:09:00 | 2026-09-23 00:06:42 | 11 |
| 30 | 170.83.174.48 | 2019-01-26 02:38:39 | 2026-10-03 18:55:41 | 11 |
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 38.56.72.0/22 | Brazil | 1024 | 240 | 9 | 1.00% |
| 2 | 170.83.174.0/24 | Brazil | 256 | 102 | 4 | 2.00% |
| 3 | 170.83.175.0/24 | Brazil | 256 | 148 | 4 | 2.00% |
| 4 | 38.191.52.0/22 | Brazil | 1024 | 26 | 3 | 0.00% |
| 5 | 38.191.60.0/24 | Brazil | 256 | 34 | 3 | 1.00% |
| 6 | 38.191.60.0/23 | Brazil | 512 | 35 | 3 | 1.00% |
| 7 | 38.191.60.0/22 | Brazil | 1024 | 44 | 3 | 0.00% |
| 8 | 170.83.172.0/24 | Brazil | 256 | 64 | 3 | 1.00% |
| 9 | 38.191.52.0/23 | Brazil | 512 | 15 | 2 | 0.00% |
| 10 | 38.191.48.0/22 | Brazil | 1024 | 74 | 1 | 0.00% |
| 11 | 38.191.56.0/23 | Brazil | 512 | 31 | 1 | 0.00% |
| 12 | 38.191.56.0/22 | Brazil | 1024 | 52 | 1 | 0.00% |
| 13 | 170.83.173.0/24 | Brazil | 256 | 69 | 1 | 0.00% |
| 14 | 38.9.112.0/24 | Brazil | 256 | 9 | 0 | 0.00% |
| 15 | 38.9.112.0/22 | Brazil | 1024 | 38 | 0 | 0.00% |
| 16 | 38.56.72.0/24 | Brazil | 256 | 15 | 0 | 0.00% |
| 17 | 38.191.48.0/23 | Brazil | 512 | 22 | 0 | 0.00% |