51.75.154.123
Recent Activity
This IP has received recent abuse reports, which causes the score to increase.
- ISP
- OVH GmbH
- Usage Type
- Data Center/Web Hosting/Transit
- ASN
- AS16276
- Hostname(s)
- lunge.zerobounces.eu
- Domain Name
- ovh.net
- Country
- 🇩🇪 Germany
- City
- Frankfurt am Main, Hesse
Abuse Reports
Total reports
65 from
31 distinct
reporters
First reported
Most recent report
Recent reports
We have received reports of abusive activity from this IP address within the last week. It is
potentially still actively engaged in abusive activities.
| Reporter | IoA Timestamp (UTC) | Comment | Categories |
|---|---|---|---|
| Anonymous |
|
Email Spam | |
| 🇩🇪 VapaSec |
Mail server abuse: RCPT probes for non-existent mailboxes (port 25) x1. 2026-11-11T07:43:03Z
|
Email Spam | |
| Anonymous |
Inbound email denied: 1 rejected connection(s) in 24h detected by CRMON security monitor. AbuseIPDB confidence score at block time: 51%.
|
Email Spam | |
| Anonymous |
SMTP scanner - relay access denied
|
Brute-Force Exploited Host | |
| 🇩🇪 LRob |
Spam delivery attempts | 2026-11-08 07:15 UTC
|
Email Spam | |
| 🇩🇪 LRob |
Spam delivery attempts | 2026-11-06 23:51 UTC
|
Email Spam | |
| Anonymous |
2026-11-05T17:16:49.375979+01:00 postfix/smtpd[1188504]: NOQUEUE: reject: RCPT from lunge.zerobounces.eu[51.75.154.123]: 550 5.1.1 Recipient address rejected: User unknown in virtual mailbox table; from=<> proto=ESMTP helo=<lunge.zerobounces.eu>
|
Email Spam | |
| 🇺🇸 Landon Veitch |
Blocked by Fail2Ban - Exim DDoS Attempt
...
|
Brute-Force | |
| 🇺🇸 DiodeDave |
Attempted access after blacklisting
|
Email Spam | |
| Anonymous |
SMTP scanner - relay access denied
|
Brute-Force Exploited Host | |
| Anonymous |
postfix
|
Email Spam Web App Attack | |
| 🇨🇦 polycoda |
📮 Sends email spam and/or tries to probe for a ton of inexistent email accounts to send spam to and/or tries to brute force its way into an email account
|
Email Spam | |
| 🇭🇺 Lacika555 |
RdpGuard detected brute-force attempt on SMTP
|
Brute-Force | |
| 🇩🇪 LRob |
Spam delivery attempts
|
Email Spam | |
| 🇩🇰 powerhostingdk |
[mailserver] CrowdSec detected crowdsecurity/postfix-relay-denied (2 events). Automated abuse report.
|
Brute-Force |
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