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 <<>> 139.211.102.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56582
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;139.211.102.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020401 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 13:55:47 CST 2025
;; MSG SIZE  rcvd: 107
Host info
21.102.211.139.in-addr.arpa domain name pointer 21.102.211.139.adsl-pool.jlccptt.net.cn.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.102.211.139.in-addr.arpa	name = 21.102.211.139.adsl-pool.jlccptt.net.cn.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
51.75.126.115 attackbots
2020-05-10T14:52:49.092214vivaldi2.tree2.info sshd[29583]: Invalid user manager from 51.75.126.115
2020-05-10T14:52:49.111544vivaldi2.tree2.info sshd[29583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.ip-51-75-126.eu
2020-05-10T14:52:49.092214vivaldi2.tree2.info sshd[29583]: Invalid user manager from 51.75.126.115
2020-05-10T14:52:50.870474vivaldi2.tree2.info sshd[29583]: Failed password for invalid user manager from 51.75.126.115 port 52258 ssh2
2020-05-10T14:56:34.672450vivaldi2.tree2.info sshd[29732]: Invalid user python from 51.75.126.115
...
2020-05-10 14:27:11
106.12.56.41 attackspam
2020-05-10T03:55:51.288136abusebot-2.cloudsearch.cf sshd[13565]: Invalid user users from 106.12.56.41 port 34856
2020-05-10T03:55:51.293942abusebot-2.cloudsearch.cf sshd[13565]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.56.41
2020-05-10T03:55:51.288136abusebot-2.cloudsearch.cf sshd[13565]: Invalid user users from 106.12.56.41 port 34856
2020-05-10T03:55:52.932463abusebot-2.cloudsearch.cf sshd[13565]: Failed password for invalid user users from 106.12.56.41 port 34856 ssh2
2020-05-10T04:00:31.812423abusebot-2.cloudsearch.cf sshd[13669]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.56.41  user=root
2020-05-10T04:00:33.556304abusebot-2.cloudsearch.cf sshd[13669]: Failed password for root from 106.12.56.41 port 37000 ssh2
2020-05-10T04:05:09.145922abusebot-2.cloudsearch.cf sshd[13831]: Invalid user asconex from 106.12.56.41 port 39142
...
2020-05-10 14:31:29
60.169.214.182 attackbotsspam
Unauthorized IMAP connection attempt
2020-05-10 14:58:07
5.188.211.10 attack
Automatic report - Banned IP Access
2020-05-10 14:20:58
162.62.17.185 attackbotsspam
Port probing on unauthorized port 8042
2020-05-10 15:00:40
27.155.99.122 attackbotsspam
May 10 05:47:53 eventyay sshd[17052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
May 10 05:47:55 eventyay sshd[17052]: Failed password for invalid user may from 27.155.99.122 port 56103 ssh2
May 10 05:53:46 eventyay sshd[17168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.99.122
...
2020-05-10 14:33:07
122.51.27.69 attackbots
2020-05-10T03:48:17.614382abusebot-2.cloudsearch.cf sshd[13422]: Invalid user de from 122.51.27.69 port 51878
2020-05-10T03:48:17.620615abusebot-2.cloudsearch.cf sshd[13422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.27.69
2020-05-10T03:48:17.614382abusebot-2.cloudsearch.cf sshd[13422]: Invalid user de from 122.51.27.69 port 51878
2020-05-10T03:48:19.264362abusebot-2.cloudsearch.cf sshd[13422]: Failed password for invalid user de from 122.51.27.69 port 51878 ssh2
2020-05-10T03:53:41.357441abusebot-2.cloudsearch.cf sshd[13518]: Invalid user andrey from 122.51.27.69 port 49174
2020-05-10T03:53:41.363360abusebot-2.cloudsearch.cf sshd[13518]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.27.69
2020-05-10T03:53:41.357441abusebot-2.cloudsearch.cf sshd[13518]: Invalid user andrey from 122.51.27.69 port 49174
2020-05-10T03:53:43.488510abusebot-2.cloudsearch.cf sshd[13518]: Failed password for 
...
2020-05-10 14:34:28
193.254.135.252 attackbots
May 10 08:09:44 roki-contabo sshd\[16803\]: Invalid user cron from 193.254.135.252
May 10 08:09:44 roki-contabo sshd\[16803\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.254.135.252
May 10 08:09:46 roki-contabo sshd\[16803\]: Failed password for invalid user cron from 193.254.135.252 port 37124 ssh2
May 10 08:21:56 roki-contabo sshd\[17040\]: Invalid user daniels from 193.254.135.252
May 10 08:21:56 roki-contabo sshd\[17040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.254.135.252
...
2020-05-10 14:22:18
222.186.30.76 attackbots
May 10 06:07:24 ip-172-31-61-156 sshd[12873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.76  user=root
May 10 06:07:26 ip-172-31-61-156 sshd[12873]: Failed password for root from 222.186.30.76 port 44677 ssh2
...
2020-05-10 14:17:11
179.228.97.179 attackbotsspam
2020-05-10T08:18:43.5908381240 sshd\[29098\]: Invalid user admin1 from 179.228.97.179 port 63611
2020-05-10T08:18:43.5942581240 sshd\[29098\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.228.97.179
2020-05-10T08:18:45.3522261240 sshd\[29098\]: Failed password for invalid user admin1 from 179.228.97.179 port 63611 ssh2
...
2020-05-10 14:36:00
222.186.42.155 attackspam
May 10 08:39:06 piServer sshd[21356]: Failed password for root from 222.186.42.155 port 46720 ssh2
May 10 08:39:10 piServer sshd[21356]: Failed password for root from 222.186.42.155 port 46720 ssh2
May 10 08:39:13 piServer sshd[21356]: Failed password for root from 222.186.42.155 port 46720 ssh2
...
2020-05-10 14:44:58
106.12.93.251 attackbotsspam
2020-05-10T06:04:37.313742shield sshd\[8768\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.93.251  user=root
2020-05-10T06:04:39.262580shield sshd\[8768\]: Failed password for root from 106.12.93.251 port 38024 ssh2
2020-05-10T06:09:36.270265shield sshd\[10372\]: Invalid user chile from 106.12.93.251 port 59042
2020-05-10T06:09:36.273800shield sshd\[10372\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.93.251
2020-05-10T06:09:37.936513shield sshd\[10372\]: Failed password for invalid user chile from 106.12.93.251 port 59042 ssh2
2020-05-10 14:56:44
167.71.91.205 attackbots
2020-05-10T05:56:45.006881shield sshd\[5995\]: Invalid user ts3server from 167.71.91.205 port 53278
2020-05-10T05:56:45.009339shield sshd\[5995\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.91.205
2020-05-10T05:56:47.162941shield sshd\[5995\]: Failed password for invalid user ts3server from 167.71.91.205 port 53278 ssh2
2020-05-10T06:00:26.864446shield sshd\[7674\]: Invalid user metrics from 167.71.91.205 port 60340
2020-05-10T06:00:26.867979shield sshd\[7674\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.91.205
2020-05-10 14:43:32
139.199.228.154 attackspam
k+ssh-bruteforce
2020-05-10 14:26:02
51.91.8.222 attackbotsspam
May 10 06:05:20 Ubuntu-1404-trusty-64-minimal sshd\[1389\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.8.222  user=root
May 10 06:05:22 Ubuntu-1404-trusty-64-minimal sshd\[1389\]: Failed password for root from 51.91.8.222 port 39480 ssh2
May 10 06:18:41 Ubuntu-1404-trusty-64-minimal sshd\[7345\]: Invalid user spark from 51.91.8.222
May 10 06:18:41 Ubuntu-1404-trusty-64-minimal sshd\[7345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.8.222
May 10 06:18:44 Ubuntu-1404-trusty-64-minimal sshd\[7345\]: Failed password for invalid user spark from 51.91.8.222 port 48958 ssh2
2020-05-10 14:37:33

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