Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: Korea Republic of

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
IP Type Details Datetime
121.138.155.41 attackspam
Unauthorized IMAP connection attempt
2020-06-03 08:24:39
121.138.155.41 attackbots
Apr 29 13:47:45 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:52 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:54 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:56 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:48:03 web01.agentur-b-2.de po
2020-04-29 20:44:35
121.138.155.41 attackbotsspam
2019-09-19 20:06:48 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/121.138.155.41)
2019-09-19 20:06:48 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/121.138.155.41)
2019-09-19 20:06:50 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/121.138.155.41)
...
2019-09-20 10:26:23
121.138.155.41 attackbotsspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:53:32
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.138.155.239
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8814
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.138.155.239.		IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020702 1800 900 604800 86400

;; Query time: 95 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 08 06:33:15 CST 2022
;; MSG SIZE  rcvd: 108
Host info
Host 239.155.138.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 239.155.138.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.152.110.47 attackspambots
Unauthorized connection attempt detected from IP address 175.152.110.47 to port 123
2020-06-13 08:15:26
117.82.245.33 attackbotsspam
Unauthorized connection attempt detected from IP address 117.82.245.33 to port 23
2020-06-13 08:19:00
13.56.251.57 attackspambots
Unauthorized connection attempt detected from IP address 13.56.251.57 to port 8080
2020-06-13 08:05:11
189.242.45.249 attackbots
Unauthorized connection attempt detected from IP address 189.242.45.249 to port 88
2020-06-13 07:43:11
218.146.164.3 attackbotsspam
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-06-13 07:40:19
91.185.140.152 attackspambots
Unauthorized connection attempt detected from IP address 91.185.140.152 to port 23
2020-06-13 07:56:49
46.59.24.123 attackspam
Unauthorized connection attempt detected from IP address 46.59.24.123 to port 23
2020-06-13 08:03:04
118.81.86.170 attack
Unauthorized connection attempt detected from IP address 118.81.86.170 to port 123
2020-06-13 08:18:08
49.51.10.34 attackspambots
Unauthorized connection attempt detected from IP address 49.51.10.34 to port 6061
2020-06-13 08:02:06
202.83.57.38 attack
Unauthorized connection attempt detected from IP address 202.83.57.38 to port 80
2020-06-13 08:07:50
95.229.246.143 attack
Unauthorized connection attempt detected from IP address 95.229.246.143 to port 80
2020-06-13 07:55:54
181.197.176.43 attackspambots
Unauthorized connection attempt detected from IP address 181.197.176.43 to port 81
2020-06-13 07:44:35
54.151.95.227 attackspam
Unauthorized connection attempt detected from IP address 54.151.95.227 to port 8545
2020-06-13 08:01:36
180.124.152.158 attackspam
Telnet Server BruteForce Attack
2020-06-13 08:14:24
111.93.117.66 attackspambots
Unauthorized connection attempt detected from IP address 111.93.117.66 to port 445
2020-06-13 07:53:32

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