The data shown may not match the actual data as the AS data is updated monthly.
AS42763 FPUH Czajen Krzysztof Czaja
Spam statistics of AS42763 FPUH Czajen Krzysztof Czaja
| Country | Number of networks | IP Addresses | Purpose of use |
|---|---|---|---|
| Poland | 1 | 11 | Hosting |
| Domain | Detected IP addresses | Spam active IPs | Spam rate |
| - | 82 | 3 | 0.00% |
| Websites count | IP addresses with websites | ||
| 44 | 15 |
Spam activity log
About AS42763
Owner of AS42763
The owner of Autonomous System (AS) AS42763 is CJSC "ER-Telecom Holding" also known as Dom.ru, which is a telecommunications company based in Russia.
Main Operational Activity of AS42763's Owner
The main operational activity of CJSC "ER-Telecom Holding" involves providing a wide range of services including broadband internet access, television, and telephony services to both residential and corporate customers.
Establishment of AS42763
There is no specific public data on the exact establishment date of AS42763. Typically, the establishment of an AS correlates with the expansion of its owner's network infrastructure and services.
Malicious Use of AS42763
Like many large networks, AS42763 may occasionally be misused by hackers or spammers. The website CleanTalk provides a blacklist service that tracks such activities. As of the last update, there could be instances where certain IP addresses within AS42763 have been reported for abusive behavior, but this does not necessarily indicate a widespread issue with the entire AS. It is important to note that network owners often take steps to mitigate and address such issues when they arise.
For up-to-date information on any reported abuse coming from AS42763, one would need to check the latest reports on platforms that track malicious activities originating from various autonomous systems.
Whois AS42763
SPAM active IP addresses in AS42763 FPUH Czajen Krzysztof Czaja
| # | Sender IP | Detected | Last seen | Reported as spam |
|---|---|---|---|---|
| 1 | 77.87.7.21 | 2023-06-14 00:20:54 | 2026-06-12 15:26:04 | 6 |
| 2 | 77.87.7.82 | 2026-02-13 03:24:43 | 2026-06-04 23:35:20 | 3 |
| 3 | 91.193.121.188 | 2026-01-27 16:58:17 | 2026-06-14 01:52:43 | 9 |
Detected networks prefixes
| # | Network prefix | Country | Length | Detected IP addresses | Spam active IP addresses | Spam rate |
|---|---|---|---|---|---|---|
| 1 | 77.87.0.0/21 | Poland | 2048 | 68 | 2 | 0.00% |
| 2 | 77.87.7.0/24 | Poland | 256 | 49 | 2 | 1.00% |
| 3 | 91.193.121.0/24 | Poland | 256 | 5 | 1 | 0.00% |
| 4 | 77.87.0.0/24 | Poland | 256 | 3 | 0 | 0.00% |
| 5 | 77.87.1.0/24 | Poland | 256 | 5 | 0 | 0.00% |
| 6 | 77.87.2.0/24 | Poland | 256 | 2 | 0 | 0.00% |
| 7 | 77.87.3.0/24 | Poland | 256 | 9 | 0 | 0.00% |
| 8 | 91.193.120.0/24 | Poland | 256 | 1 | 0 | 0.00% |
| 9 | 91.193.123.0/24 | Poland | 256 | 3 | 0 | 0.00% |
| 10 | 193.33.174.0/24 | Poland | 256 | 1 | 0 | 0.00% |
| 11 | 193.33.175.0/24 | Poland | 256 | 11 | 0 | 0.00% |