AbuseIPDB » 49.74.192.138
49.74.192.138
This IP was reported 9 times. Confidence of
Abuse
is 31% : ?
ISP
CHINANET jiangsu province network
Usage Type
Fixed Line ISP
ASN
AS4134
Domain Name
chinatelecom.cn
Country
🇨🇳
China
City
Nanjing, Jiangsu
IP info including ISP, Usage Type, and Location provided
by IPInfo . Updated weekly.
IP Abuse Reports for 49.74.192.138 :
This IP address has been reported a total of
9
times from
8 distinct
sources.
49.74.192.138 was first reported on
November 20th 2025 , and the most recent report was
3 days ago
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
🇩🇰
cybertailor
2026-10-19 17:35:31
(3 days ago)
Oct 19 22:35:21 sysrq smtpd[7886]: 17ed97f0cf8900c7 smtp failed-command command="AUTH LOGIN" result= ...
show more
Oct 19 22:35:21 sysrq smtpd[7886]: 17ed97f0cf8900c7 smtp failed-command command="AUTH LOGIN" result="503 5.5.1 Invalid command: Command not supported"
Oct 19 22:35:21 sysrq smtpd[7886]: 17ed97f1ff1ee9b0 smtp connected address=49.74.192.138 host=<unknown>
Oct 19 22:35:25 sysrq smtpd[7886]: 17ed97f1ff1ee9b0 smtp failed-command command="AUTH LOGIN" result="503 5.5.1 Invalid command: Command not supported"
Oct 19 22:35:25 sysrq smtpd[7886]: 17ed97f20d08b771 smtp connected address=49.74.192.138 host=<unknown>
Oct 19 22:35:28 sysrq smtpd[7886]: 17ed97f20d08b771 smtp failed-command command="AUTH LOGIN" result="503 5.5.1 Invalid command: Command not supported"
...
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Brute-Force
🇧🇷
ICS Labs
2026-10-17 04:04:21
(6 days ago)
ICS Labs threat intelligence (ICS Feeds): Brute-Force, Exploited Host. Last observed 2026-10-17 UTC.
Brute-Force
Exploited Host
🇨🇿
lp
2026-10-11 10:01:18
(1 week ago)
Email account brute force: 3 attempts were recorded from 49.74.192.138
2026-10-11T11:50:09+0200 warn ...
show more
Email account brute force: 3 attempts were recorded from 49.74.192.138
2026-10-11T11:50:09+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-11T11:50:13+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-11T11:50:17+0200 warning: unknown[49.74.192.138]: SASL authentication failed
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Brute-Force
🇨🇿
lp
2026-10-10 03:46:06
(1 week ago)
Email account brute force: 5 attempts were recorded from 49.74.192.138
2026-10-10T05:24:41+0200 warn ...
show more
Email account brute force: 5 attempts were recorded from 49.74.192.138
2026-10-10T05:24:41+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-10T05:24:45+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-10T05:24:47+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-10T05:24:50+0200 warning: unknown[49.74.192.138]: SASL authentication failed
2026-10-10T05:24:54+0200 warning: unknown[49.74.192.138]: SASL authentication failed
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Brute-Force
🇮🇹
VHosting
2026-10-07 05:05:03
(2 weeks ago)
Detected mail brute force attack from different servers
Brute-Force
🇬🇧
iss-security-operations
2026-10-05 16:04:32
(2 weeks ago)
Seen attempting a bruteforce against SMTP services
Brute-Force
2026-05-01 12:13:56
(5 months ago)
Multiple SASL authentication failures.
Brute-Force
2026-03-21 23:45:49
(7 months ago)
Unauthorized connection attempt
Port Scan
Hacking
Exploited Host
2025-11-20 13:02:52
(11 months ago)
Web attack
Bad Web Bot
Web App Attack
Showing 1 to
9
of 9 reports
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