IP Address: 51.116.117.203

Threat level: 36%

Attack count: 77

Country: Germany

Region: Hesse

City: Frankfurt am Main

ASN: 8075

ISP: MICROSOFT-CORP-MSN-AS-BLOCK

Net Block: 51.116.0.0-51.116.255.255

Domain name: microsoft.com

Abuse contact: [email protected]

Stats (UTC)

Last 60 Minutes
Last 24 Hours
Last 30 days
Last 12 months

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Recent submissions

Reported by

Timestamp

Notes

Flags

System

✅ Gordon

4 hours ago

ipban 2.0.0

BruteForce

SMTP

✅ Chris

3 days ago

ipban 3.1.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Tim Walker

4 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ Anonymous

5 days ago

Real-time Intercept: SMTP attack. Reference: 2026-06-08 19:23:17.2423 Login failure: 51.116.117.203 SMTP

BruteForce, Hacking

SMTP

✅ Craig

5 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Gordon

7 days ago

ipban 2.0.0

BruteForce

SMTP

✅ WEBMEDIA

12 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

12 days ago

ipbanpro 5.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Pedro Johansson

13 days ago

ipbanpro 5.0.0

BruteForce

IceWarp

✅ Terry

14 days ago

ipbanpro 4.4.0 - Authentication failed

BruteForce

SmarterMail

✅ Tim Walker

17 days ago

ipban 1.8.0 - LogonDenied

BruteForce

MSExchangeLogs

✅ tuya

19 days ago

ipban 1.9.0 - Authentication failed

BruteForce

SmarterMail

✅ Anonymous

19 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-25 01:10:38.7664 Login failure: 51.116.117.203 SMTP

BruteForce

SMTP

✅ Craig

20 days ago

ipban 2.0.0 - Invalid Username or Password

BruteForce

MailEnable

✅ Anonymous

20 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-24 00:43:48.8814 Login failure: 51.116.117.203 SMTP

BruteForce

SMTP

✅ Gordon

20 days ago

ipban 2.0.0

BruteForce

SMTP

✅ Anonymous

22 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-22 15:33:20.1771 Login failure: 51.116.117.203 SMTP 2

BruteForce

SMTP

✅ Anonymous

23 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-21 11:29:51.6396 Login failure: 51.116.117.203 SMTP

BruteForce

SMTP

✅ Anonymous

24 days ago

Real-time Intercept: SMTP attack. Reference: 2026-05-20 16:40:18.7285 Login failure: 51.116.117.203 SMTP

BruteForce

SMTP