5.77.21.39
| ISP | CJSC ER-Telecom Holding Bryansk branch |
|---|---|
| Usage Type | Fixed Line ISP |
| ASN | AS57044 |
| Domain Name | ertelecom.ru |
| Country | 🇷🇺 Russian Federation |
| City | Bryansk, Bryansk Oblast |
ISP, Usage Type, and Location provided by IPInfo. Updated weekly.
IP Abuse Reports for 5.77.21.39
This IP address has been reported a total of 33 times from 21 distinct sources. 5.77.21.39 was first reported on , and the most recent report was . In the last 60 days, the top reporter locations were: United States of America with 15 reports; Germany with 7 reports; France with 4 reports. The most common categories in these recent reports were: Port Scan 26 times; Hacking 8 times; Brute-Force 8 times; SSH 3 times; Exploited Host 2 times; Other 4 times.
| Reporter | IoA Timestamp (UTC) | Comment | Categories | |
|---|---|---|---|---|
| 🇺🇸 MPL |
tcp/23 (2 or more attempts)
|
Port Scan | ||
| 🇩🇪 klaus_ph |
2026-09-26 19:36:59,943 fail2ban.actions [594716]: NOTICE [ipblocklist] Ban 5.77.21.39
...
|
Bad Web Bot | ||
| 🇺🇸 MPL |
tcp/23 (4 or more attempts)
|
Port Scan | ||
| 🇺🇸 MPL |
tcp/23 (3 or more attempts)
|
Port Scan | ||
| 🇩🇪 klaus_ph |
2026-09-26 15:22:12,407 fail2ban.actions [8144]: NOTICE [ipblocklist] Ban 5.77.21.39
...
|
Bad Web Bot | ||
| 🇫🇷 security.rdmc.fr |
Port Scan Attack proto:TCP src:44715 dst:23
|
Port Scan | ||
| 🇷🇴 abuse_IP_reporter |
Sep 27 02:49:32 server UFW BLOCK SRC=5.77.21.39 PROTO=TCP SPT=59210 DPT=23
|
Port Scan | ||
| 🇳🇱 EGP Abuse Dept |
Unauthorized connection to Telnet port 23
|
Port Scan Hacking | ||
| 🇮🇹 CoreTech srl |
|
Hacking | ||
| 🇺🇸 MPL |
tcp/23 (3 or more attempts)
|
Port Scan | ||
| 🇺🇸 MPL |
tcp/23 (2 or more attempts)
|
Port Scan | ||
| 🇺🇸 ShadowWhisperer |
botnet node - mirai (Mirai-family shell-verification handshake) [handshake, mirai, worm]
|
Brute-Force IoT Targeted | ||
| 🇩🇪 Tsumugi Kotobuki |
|
Port Scan Hacking | ||
| 🇫🇷 security.rdmc.fr |
Port Scan Attack proto:TCP src:55216 dst:23
|
Port Scan | ||
| 🇷🇺 genokrad |
Unauthorized connection try on TCP/23 (Telnet)
|
Port Scan |
Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown 🚩