5.181.50.17

Neutral Activity There is no recent abuse activity, or the IP address is whitelisted.
Abuse Confidence Score
0% Low Risk
34 reports
26 reporters · latest 4 months ago
ISP
netcup GmbH
Usage Type
Data Center/Web Hosting/Transit
ASN
AS197540
Hostname(s)
v2202506250199356722.bestsrv.de
Domain Name
netcup.de
Country
🇩🇪 Germany
City
Nuremberg, Bavaria
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No reports in the last 60 days

5.181.50.17 has been reported 34 times. The most recent report is from .

The full history is preserved below and remains searchable. A 0% score reflects the absence of recent activity, but this is not a guarantee that earlier reports were invalid. Abuse confidence score decays, naturally, over time, when the abusive activity stops.

Abuse Reports

Total reports
34 from 26 distinct reporters
First reported
Most recent report
Reporter IoA Timestamp (UTC) Comment Categories
🇬🇧 PeravixGroup
Honeypot detection: Telnet / IoT device brute-force or exploitation attempt on port 23. Severity: MEDIUM. Aaran.cloud
IoT Targeted Brute-Force
🇨🇿 Countryman
repeated unauthorized connection attempts, host sweep, port 23
Hacking Brute-Force
🇺🇸 drewf.ink
[01:04] Attempted telnet login on port 23 with username 
Brute-Force Exploited Host
🇳🇱 ByeByte API
byebyte.space auth: TCP packet to port 23 (telnet) at 2026-06-17T00:59:31Z. Source port 2215. TCP flags: SYN. Packet: 40B, TTL 52, window 60849, IP id 8660. Single packet, dropped at firewall. p0f: 12 hops.
Port Scan
🇳🇱 ByeByte API
Port scan from this IP. Firewall dropped every packet. Targeted TCP ports: 23. Single burst at 2026-06-17 00:59 UTC.
Port Scan
🇺🇸 MPL
tcp/23 (2 or more attempts)
Port Scan
🇯🇵 knock
Knock-Knock honeypot brute-force: Telnet (54 total hits)
Brute-Force
Anonymous
Unauthorized connection attempt on Port 23
Port Scan Hacking Exploited Host
🇧🇪 sauron-le-noir
scan port : 23 from Allemagne at Wed Jun 17 01:43:04 2026
Port Scan
🇱🇹 NotACaptcha
Unauthorised access (Jun 17 01:52) SRC=5.181.50.17 LEN=40 TTL=52 ID=54744 TCP DPT=23 WINDOW=60849 SYN
Port Scan
🇩🇪 Admins@FBN
FW-PortScan: Traffic Blocked srcport=2215 dstport=23
Port Scan
🇺🇸 RAP
2026-06-16 22:38:59 UTC Unauthorized activity to TCP port 23. Telnet
Port Scan
🇬🇧 essinghigh
IPS Detection: 5.181.50.17 -> DPT: 23
Port Scan
🇩🇪 iNetWorker
trying to access non-authorized port
Port Scan
🇨🇭 m_vlasov
SSH/Telnet honeypot: 0 login attempts, 1 sessions, 0 shell commands.
Port Scan IoT Targeted

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