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: United States

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 <<>> 104.21.31.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1721
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.31.137.			IN	A

;; AUTHORITY SECTION:
.			157	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:23:23 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 137.31.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 137.31.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.99.166.243 attack
Dec  6 23:33:19 pi sshd\[22505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.166.243
Dec  6 23:33:21 pi sshd\[22505\]: Failed password for invalid user guest from 192.99.166.243 port 34622 ssh2
Dec  6 23:39:18 pi sshd\[22811\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.166.243  user=root
Dec  6 23:39:20 pi sshd\[22811\]: Failed password for root from 192.99.166.243 port 44764 ssh2
Dec  6 23:45:24 pi sshd\[23057\]: Invalid user ammelie from 192.99.166.243 port 54910
...
2019-12-07 07:47:55
111.230.140.177 attack
Dec  6 18:21:07 TORMINT sshd\[8633\]: Invalid user alfonse from 111.230.140.177
Dec  6 18:21:07 TORMINT sshd\[8633\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.140.177
Dec  6 18:21:10 TORMINT sshd\[8633\]: Failed password for invalid user alfonse from 111.230.140.177 port 36110 ssh2
...
2019-12-07 07:36:03
132.145.16.205 attackspam
SSH Brute Force, server-1 sshd[7411]: Failed password for invalid user test from 132.145.16.205 port 52790 ssh2
2019-12-07 07:53:09
86.149.50.6 attackspam
Fail2Ban Ban Triggered
2019-12-07 07:29:28
193.112.33.200 attackbots
SSH Brute Force, server-1 sshd[5020]: Failed password for invalid user bezhan from 193.112.33.200 port 49714 ssh2
2019-12-07 08:02:38
142.93.163.77 attackbots
Dec  7 00:10:28 sd-53420 sshd\[24091\]: User root from 142.93.163.77 not allowed because none of user's groups are listed in AllowGroups
Dec  7 00:10:28 sd-53420 sshd\[24091\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.163.77  user=root
Dec  7 00:10:30 sd-53420 sshd\[24091\]: Failed password for invalid user root from 142.93.163.77 port 49486 ssh2
Dec  7 00:15:26 sd-53420 sshd\[24949\]: Invalid user jervell from 142.93.163.77
Dec  7 00:15:26 sd-53420 sshd\[24949\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.163.77
...
2019-12-07 07:24:43
202.123.177.18 attack
SSH Brute Force, server-1 sshd[5860]: Failed password for invalid user rpc from 202.123.177.18 port 58796 ssh2
2019-12-07 08:02:10
46.101.254.248 attack
Dec  6 23:56:03 nextcloud sshd\[31725\]: Invalid user operator from 46.101.254.248
Dec  6 23:56:03 nextcloud sshd\[31725\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.254.248
Dec  6 23:56:05 nextcloud sshd\[31725\]: Failed password for invalid user operator from 46.101.254.248 port 49250 ssh2
...
2019-12-07 07:26:25
180.178.134.190 attack
port scan and connect, tcp 1433 (ms-sql-s)
2019-12-07 07:45:26
61.177.172.128 attackbotsspam
Dec  6 18:18:48 plusreed sshd[25548]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.128  user=root
Dec  6 18:18:50 plusreed sshd[25548]: Failed password for root from 61.177.172.128 port 33202 ssh2
...
2019-12-07 07:36:20
45.171.198.189 attackspambots
Dec  6 23:55:52 v22018076622670303 sshd\[18753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.171.198.189  user=root
Dec  6 23:55:54 v22018076622670303 sshd\[18753\]: Failed password for root from 45.171.198.189 port 49084 ssh2
Dec  6 23:55:56 v22018076622670303 sshd\[18753\]: Failed password for root from 45.171.198.189 port 49084 ssh2
...
2019-12-07 07:36:39
222.186.169.192 attackspam
Dec  7 00:49:04 ns381471 sshd[18456]: Failed password for root from 222.186.169.192 port 36228 ssh2
Dec  7 00:49:16 ns381471 sshd[18456]: error: maximum authentication attempts exceeded for root from 222.186.169.192 port 36228 ssh2 [preauth]
2019-12-07 07:51:27
152.136.86.234 attack
2019-12-06T23:26:34.485497shield sshd\[19346\]: Invalid user suniga from 152.136.86.234 port 45871
2019-12-06T23:26:34.491054shield sshd\[19346\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.86.234
2019-12-06T23:26:36.363037shield sshd\[19346\]: Failed password for invalid user suniga from 152.136.86.234 port 45871 ssh2
2019-12-06T23:32:58.243491shield sshd\[21591\]: Invalid user springthorpe from 152.136.86.234 port 50825
2019-12-06T23:32:58.248148shield sshd\[21591\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.86.234
2019-12-07 07:41:16
60.48.64.193 attackbotsspam
Dec  4 00:42:20 mail sshd[3975]: reveeclipse mapping checking getaddrinfo for trm02-home.tm.net.my [60.48.64.193] failed - POSSIBLE BREAK-IN ATTEMPT!
Dec  4 00:42:20 mail sshd[3975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.48.64.193  user=daemon
Dec  4 00:42:23 mail sshd[3975]: Failed password for daemon from 60.48.64.193 port 56406 ssh2
Dec  4 00:42:24 mail sshd[3975]: Received disconnect from 60.48.64.193: 11: Bye Bye [preauth]
Dec  4 01:01:02 mail sshd[4288]: reveeclipse mapping checking getaddrinfo for trm02-home.tm.net.my [60.48.64.193] failed - POSSIBLE BREAK-IN ATTEMPT!
Dec  4 01:01:02 mail sshd[4288]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.48.64.193  user=dovecot
Dec  4 01:01:04 mail sshd[4288]: Failed password for dovecot from 60.48.64.193 port 45521 ssh2
Dec  4 01:01:04 mail sshd[4288]: Received disconnect from 60.48.64.193: 11: Bye Bye [preauth]
Dec  4 01:14........
-------------------------------
2019-12-07 07:41:37
202.83.172.249 attackbots
Dec  7 01:50:25 server sshd\[7489\]: Invalid user escutin from 202.83.172.249
Dec  7 01:50:25 server sshd\[7489\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.83.172.249 
Dec  7 01:50:27 server sshd\[7489\]: Failed password for invalid user escutin from 202.83.172.249 port 45664 ssh2
Dec  7 02:06:56 server sshd\[12041\]: Invalid user zookeeper from 202.83.172.249
Dec  7 02:06:56 server sshd\[12041\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.83.172.249 
...
2019-12-07 07:49:03

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