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 (the 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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.142.0.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44212
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.142.0.20.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012201 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 23 09:09:57 CST 2025
;; MSG SIZE  rcvd: 105
Host info
b'Host 20.0.142.121.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 20.0.142.121.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
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52.142.63.44 attack
Invalid user 253 from 52.142.63.44 port 44131
2020-09-28 05:50:18
106.12.108.208 attackspambots
Port probing on unauthorized port 2377
2020-09-28 05:46:47
122.116.164.89 attackspam
Found on Block CINS-badguys  / proto=6  .  srcport=17533  .  dstport=23  .     (2721)
2020-09-28 05:45:18
199.34.83.51 attackspambots
Port Scan: TCP/443
2020-09-28 05:42:13
106.13.230.219 attackbotsspam
(sshd) Failed SSH login from 106.13.230.219 (CN/China/-): 5 in the last 3600 secs
2020-09-28 05:42:43
154.115.221.225 spambotsattackproxynormal
4994821
2020-09-28 05:51:10
154.115.221.225 spambotsattackproxynormal
4994821
2020-09-28 05:51:20
115.237.255.29 attack
3389/tcp
[2020-09-26]1pkt
2020-09-28 05:33:37
111.172.193.40 attackspam
Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-09-28 05:34:28
69.55.49.187 attackbots
Sep 27 23:52:55 jane sshd[21947]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.55.49.187 
Sep 27 23:52:57 jane sshd[21947]: Failed password for invalid user lin from 69.55.49.187 port 60540 ssh2
...
2020-09-28 05:58:54
68.183.114.34 attack
Automatic Fail2ban report - Trying login SSH
2020-09-28 05:31:34
92.246.146.119 attackspambots
 TCP (SYN) 92.246.146.119:31161 -> port 8080, len 40
2020-09-28 06:01:59
125.167.98.47 attack
445/tcp
[2020-09-26]1pkt
2020-09-28 05:52:08
5.183.94.94 attackspam
[2020-09-27 17:06:29] NOTICE[1159] chan_sip.c: Registration from '' failed for '5.183.94.94:65499' - Wrong password
[2020-09-27 17:06:29] SECURITY[1198] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-27T17:06:29.748-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="201",SessionID="0x7fcaa065d078",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.183.94.94/65499",Challenge="06ae6c14",ReceivedChallenge="06ae6c14",ReceivedHash="fe478cb105f27eb5a241cab78e6264d5"
[2020-09-27 17:15:56] NOTICE[1159] chan_sip.c: Registration from '' failed for '5.183.94.94:53875' - Wrong password
[2020-09-27 17:15:56] SECURITY[1198] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-09-27T17:15:56.028-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="abcd9876",SessionID="0x7fcaa02091e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/5.183.94.94/5
...
2020-09-28 05:36:13
61.99.208.42 attackbotsspam
Invalid user pi from 61.99.208.42 port 57181
2020-09-28 05:29:46

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