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: China

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 <<>> 42.166.57.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41494
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.166.57.121.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 18:11:11 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 121.57.166.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.57.166.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
95.56.183.234 attack
2020-05-21 22:38:02.351850-0500  localhost smtpd[56970]: NOQUEUE: reject: RCPT from unknown[95.56.183.234]: 554 5.7.1 Service unavailable; Client host [95.56.183.234] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/95.56.183.234; from= to= proto=ESMTP helo=<[95.56.183.234]>
2020-05-22 19:14:01
221.239.42.14 attackbots
Invalid user nzt from 221.239.42.14 port 45120
2020-05-22 19:04:03
156.96.118.35 attackbotsspam
May 22 06:39:53 ws-vm postfix/smtpd[23347]: connect from unknown[156.96.118.35]
May 22 06:39:54 ws-vm postfix/smtpd[23347]: disconnect from unknown[156.96.118.35] ehlo=1 auth=0/1 quit=1 commands=2/3
May 22 06:39:59 ws-vm postfix/anvil[27805]: statistics: max connection rate 2/60s for (submission:156.96.118.35) at May 22 06:30:29
May 22 06:39:59 ws-vm postfix/anvil[27805]: statistics: max connection count 1 for (submission:156.96.118.35) at May 22 06:30:29
2020-05-22 19:38:56
162.243.135.209 attackspambots
firewall-block, port(s): 587/tcp
2020-05-22 19:01:18
202.38.153.233 attackspam
May 22 10:58:43 XXXXXX sshd[18819]: Invalid user yuanshishi from 202.38.153.233 port 18422
2020-05-22 19:25:52
54.37.224.163 attackspam
May 22 12:15:52 vps687878 sshd\[21306\]: Failed password for invalid user lusifen from 54.37.224.163 port 37932 ssh2
May 22 12:19:15 vps687878 sshd\[21602\]: Invalid user bcc from 54.37.224.163 port 44076
May 22 12:19:15 vps687878 sshd\[21602\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.224.163
May 22 12:19:17 vps687878 sshd\[21602\]: Failed password for invalid user bcc from 54.37.224.163 port 44076 ssh2
May 22 12:22:55 vps687878 sshd\[21999\]: Invalid user yus from 54.37.224.163 port 50222
May 22 12:22:55 vps687878 sshd\[21999\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.224.163
...
2020-05-22 19:25:37
122.165.119.171 attack
Invalid user geq from 122.165.119.171 port 60300
2020-05-22 19:20:54
128.199.207.192 attack
May 22 10:46:02 web8 sshd\[12161\]: Invalid user gib from 128.199.207.192
May 22 10:46:02 web8 sshd\[12161\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.207.192
May 22 10:46:05 web8 sshd\[12161\]: Failed password for invalid user gib from 128.199.207.192 port 45712 ssh2
May 22 10:50:17 web8 sshd\[14466\]: Invalid user lvi from 128.199.207.192
May 22 10:50:17 web8 sshd\[14466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.207.192
2020-05-22 19:01:44
120.70.100.13 attackbotsspam
Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-05-22 19:29:27
203.162.123.151 attackbotsspam
May 22 02:52:20 pixelmemory sshd[3787091]: Invalid user hut from 203.162.123.151 port 54190
May 22 02:52:20 pixelmemory sshd[3787091]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.162.123.151 
May 22 02:52:20 pixelmemory sshd[3787091]: Invalid user hut from 203.162.123.151 port 54190
May 22 02:52:22 pixelmemory sshd[3787091]: Failed password for invalid user hut from 203.162.123.151 port 54190 ssh2
May 22 02:53:09 pixelmemory sshd[3788298]: Invalid user nhh from 203.162.123.151 port 37530
...
2020-05-22 19:04:51
152.32.135.74 attackbots
2020-05-22T10:37:34.941308server.espacesoutien.com sshd[25372]: Invalid user mkd from 152.32.135.74 port 40376
2020-05-22T10:37:34.959859server.espacesoutien.com sshd[25372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.32.135.74
2020-05-22T10:37:34.941308server.espacesoutien.com sshd[25372]: Invalid user mkd from 152.32.135.74 port 40376
2020-05-22T10:37:37.100963server.espacesoutien.com sshd[25372]: Failed password for invalid user mkd from 152.32.135.74 port 40376 ssh2
...
2020-05-22 19:35:08
94.137.48.94 attackspambots
Unauthorised access (May 22) SRC=94.137.48.94 LEN=52 TTL=117 ID=7055 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-22 19:36:36
187.33.200.45 attackspambots
port scan and connect, tcp 23 (telnet)
2020-05-22 19:08:28
138.68.253.235 attackbots
[2020-05-22 07:04:17] NOTICE[1157] chan_sip.c: Registration from 'xxxxxtestxxxx ' failed for '138.68.253.235:5060' - Wrong password
[2020-05-22 07:04:17] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-22T07:04:17.599-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="xxxxxtestxxxx",SessionID="0x7f5f1027fe28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/138.68.253.235/5060",Challenge="3c172517",ReceivedChallenge="3c172517",ReceivedHash="e5b97e8b67cb390a3c75058abbd5d2e6"
[2020-05-22 07:04:17] NOTICE[1157] chan_sip.c: Registration from '7501 ' failed for '138.68.253.235:5060' - Wrong password
[2020-05-22 07:04:17] SECURITY[1173] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-22T07:04:17.758-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7501",SessionID="0x7f5f100266a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",
...
2020-05-22 19:16:57
123.206.14.58 attackspambots
2020-05-22 03:56:49.693235-0500  localhost sshd[83117]: Failed password for invalid user agc from 123.206.14.58 port 43881 ssh2
2020-05-22 19:10:02

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