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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.52.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23328
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.139.			IN	A

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

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:46:26 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
129.226.61.157 attackbots
May  3 23:20:28 eventyay sshd[401]: Failed password for root from 129.226.61.157 port 59958 ssh2
May  3 23:24:22 eventyay sshd[589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.61.157
May  3 23:24:23 eventyay sshd[589]: Failed password for invalid user adminuser from 129.226.61.157 port 38342 ssh2
...
2020-05-04 05:25:40
167.99.77.94 attackspam
May  3 23:03:49 vps sshd[358754]: Failed password for invalid user wx from 167.99.77.94 port 59520 ssh2
May  3 23:07:49 vps sshd[381060]: Invalid user lpj from 167.99.77.94 port 40098
May  3 23:07:49 vps sshd[381060]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.77.94
May  3 23:07:52 vps sshd[381060]: Failed password for invalid user lpj from 167.99.77.94 port 40098 ssh2
May  3 23:11:48 vps sshd[404216]: Invalid user elena from 167.99.77.94 port 48906
...
2020-05-04 05:17:54
221.133.18.115 attackbots
May  3 17:05:35 NPSTNNYC01T sshd[6999]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.133.18.115
May  3 17:05:37 NPSTNNYC01T sshd[6999]: Failed password for invalid user ey from 221.133.18.115 port 39609 ssh2
May  3 17:10:18 NPSTNNYC01T sshd[7307]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.133.18.115
...
2020-05-04 05:25:23
93.48.49.66 attackbots
Port probing on unauthorized port 8000
2020-05-04 05:22:18
222.186.175.169 attack
May  3 23:09:35 home sshd[20573]: Failed password for root from 222.186.175.169 port 57286 ssh2
May  3 23:09:38 home sshd[20573]: Failed password for root from 222.186.175.169 port 57286 ssh2
May  3 23:09:41 home sshd[20573]: Failed password for root from 222.186.175.169 port 57286 ssh2
May  3 23:09:44 home sshd[20573]: Failed password for root from 222.186.175.169 port 57286 ssh2
...
2020-05-04 05:12:16
122.51.227.65 attackspambots
$f2bV_matches
2020-05-04 05:45:20
1.162.144.100 attack
Telnet Server BruteForce Attack
2020-05-04 05:18:35
103.108.228.111 attackbotsspam
May  3 21:09:13 124388 sshd[8857]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.108.228.111
May  3 21:09:13 124388 sshd[8857]: Invalid user vnc from 103.108.228.111 port 38068
May  3 21:09:15 124388 sshd[8857]: Failed password for invalid user vnc from 103.108.228.111 port 38068 ssh2
May  3 21:13:50 124388 sshd[8889]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.108.228.111  user=root
May  3 21:13:52 124388 sshd[8889]: Failed password for root from 103.108.228.111 port 48718 ssh2
2020-05-04 05:33:13
13.67.211.29 attackspam
May  3 22:39:18 vpn01 sshd[14927]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.67.211.29
May  3 22:39:20 vpn01 sshd[14927]: Failed password for invalid user plotter from 13.67.211.29 port 39198 ssh2
...
2020-05-04 05:46:46
210.22.155.2 attackspam
Fail2Ban - SSH Bruteforce Attempt
2020-05-04 05:26:48
103.4.217.138 attackspam
May  3 21:44:22 scw-6657dc sshd[23312]: Failed password for root from 103.4.217.138 port 54437 ssh2
May  3 21:44:22 scw-6657dc sshd[23312]: Failed password for root from 103.4.217.138 port 54437 ssh2
May  3 21:49:42 scw-6657dc sshd[23477]: Invalid user odoo from 103.4.217.138 port 33638
...
2020-05-04 05:50:26
219.133.104.157 attack
$f2bV_matches
2020-05-04 05:47:00
180.76.36.158 attackspam
May  3 22:52:54 inter-technics sshd[23604]: Invalid user confluence from 180.76.36.158 port 50824
May  3 22:52:54 inter-technics sshd[23604]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.36.158
May  3 22:52:54 inter-technics sshd[23604]: Invalid user confluence from 180.76.36.158 port 50824
May  3 22:52:56 inter-technics sshd[23604]: Failed password for invalid user confluence from 180.76.36.158 port 50824 ssh2
May  3 22:59:50 inter-technics sshd[25293]: Invalid user unix from 180.76.36.158 port 53200
...
2020-05-04 05:41:04
174.255.200.27 attackbotsspam
High volume WP login attempts -nov
2020-05-04 05:32:59
84.201.173.199 attackbotsspam
May  3 23:22:53 legacy sshd[8218]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=84.201.173.199
May  3 23:22:55 legacy sshd[8218]: Failed password for invalid user mcadmin from 84.201.173.199 port 41556 ssh2
May  3 23:26:58 legacy sshd[8418]: Failed password for root from 84.201.173.199 port 52828 ssh2
...
2020-05-04 05:30:49

Recently Reported IPs

104.21.52.135 104.21.52.141 104.21.52.142 104.21.52.145
104.21.52.146 104.21.52.147 104.21.52.149 118.118.31.154
104.21.52.150 104.21.52.153 104.21.52.154 59.207.55.43
104.21.52.158 104.21.52.159 104.21.52.160 104.21.52.161
104.21.52.163 104.21.52.166 23.106.13.8 104.21.52.168