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 <<>> 104.21.4.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21111
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.19.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:46:46 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 19.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 19.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.118.194.139 attackspam
Port probing on unauthorized port 23
2020-06-29 21:17:39
222.186.173.183 attackspam
2020-06-29T09:02:27.398025uwu-server sshd[294342]: Failed password for root from 222.186.173.183 port 36104 ssh2
2020-06-29T09:02:32.004390uwu-server sshd[294342]: Failed password for root from 222.186.173.183 port 36104 ssh2
2020-06-29T09:02:37.275389uwu-server sshd[294342]: Failed password for root from 222.186.173.183 port 36104 ssh2
2020-06-29T09:02:42.429579uwu-server sshd[294342]: Failed password for root from 222.186.173.183 port 36104 ssh2
2020-06-29T09:02:47.582060uwu-server sshd[294342]: Failed password for root from 222.186.173.183 port 36104 ssh2
...
2020-06-29 21:06:13
49.150.104.128 attackspambots
xmlrpc attack
2020-06-29 20:48:47
101.53.157.232 attackspam
Jun 29 14:29:54 electroncash sshd[2643]: Failed password for root from 101.53.157.232 port 11708 ssh2
Jun 29 14:33:45 electroncash sshd[3660]: Invalid user ts from 101.53.157.232 port 13148
Jun 29 14:33:45 electroncash sshd[3660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.53.157.232 
Jun 29 14:33:45 electroncash sshd[3660]: Invalid user ts from 101.53.157.232 port 13148
Jun 29 14:33:47 electroncash sshd[3660]: Failed password for invalid user ts from 101.53.157.232 port 13148 ssh2
...
2020-06-29 20:48:27
218.92.0.185 attack
Jun 29 14:58:05 PorscheCustomer sshd[3856]: Failed password for root from 218.92.0.185 port 10767 ssh2
Jun 29 14:58:08 PorscheCustomer sshd[3856]: Failed password for root from 218.92.0.185 port 10767 ssh2
Jun 29 14:58:11 PorscheCustomer sshd[3856]: Failed password for root from 218.92.0.185 port 10767 ssh2
Jun 29 14:58:14 PorscheCustomer sshd[3856]: Failed password for root from 218.92.0.185 port 10767 ssh2
...
2020-06-29 20:59:50
188.170.193.187 attackbots
Lines containing failures of 188.170.193.187 (max 1000)
Jun 29 11:03:22 UTC__SANYALnet-Labs__cac1 sshd[11305]: Connection from 188.170.193.187 port 41699 on 64.137.179.160 port 22
Jun 29 11:03:23 UTC__SANYALnet-Labs__cac1 sshd[11305]: Did not receive identification string from 188.170.193.187 port 41699
Jun 29 11:03:26 UTC__SANYALnet-Labs__cac1 sshd[11306]: Connection from 188.170.193.187 port 18966 on 64.137.179.160 port 22
Jun 29 11:03:28 UTC__SANYALnet-Labs__cac1 sshd[11306]: Invalid user service from 188.170.193.187 port 18966
Jun 29 11:03:28 UTC__SANYALnet-Labs__cac1 sshd[11306]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.170.193.187
Jun 29 11:03:31 UTC__SANYALnet-Labs__cac1 sshd[11306]: Failed password for invalid user service from 188.170.193.187 port 18966 ssh2
Jun 29 11:03:31 UTC__SANYALnet-Labs__cac1 sshd[11306]: Connection closed by 188.170.193.187 port 18966 [preauth]


........
-----------------------------------------------
https://www.blocklist.d
2020-06-29 21:27:50
176.106.242.148 attack
rusian web spam
2020-06-29 20:54:46
80.218.98.19 attack
SSH invalid-user multiple login try
2020-06-29 21:22:53
221.141.107.112 attackbots
Port probing on unauthorized port 1433
2020-06-29 21:08:08
68.183.42.230 attackspambots
Fail2Ban Ban Triggered
2020-06-29 20:45:07
222.186.175.151 attack
Jun 29 15:07:50 home sshd[17251]: Failed password for root from 222.186.175.151 port 63392 ssh2
Jun 29 15:07:54 home sshd[17251]: Failed password for root from 222.186.175.151 port 63392 ssh2
Jun 29 15:07:57 home sshd[17251]: Failed password for root from 222.186.175.151 port 63392 ssh2
Jun 29 15:08:05 home sshd[17251]: error: maximum authentication attempts exceeded for root from 222.186.175.151 port 63392 ssh2 [preauth]
...
2020-06-29 21:16:28
27.24.28.126 attackbotsspam
 TCP (SYN) 27.24.28.126:10091 -> port 26, len 44
2020-06-29 20:42:39
218.92.0.173 attackbotsspam
Jun 29 08:59:48 NPSTNNYC01T sshd[20919]: Failed password for root from 218.92.0.173 port 59915 ssh2
Jun 29 09:00:01 NPSTNNYC01T sshd[20919]: error: maximum authentication attempts exceeded for root from 218.92.0.173 port 59915 ssh2 [preauth]
Jun 29 09:00:07 NPSTNNYC01T sshd[20962]: Failed password for root from 218.92.0.173 port 24116 ssh2
...
2020-06-29 21:13:32
222.186.173.142 attackbotsspam
2020-06-29T14:59:32.364563vps751288.ovh.net sshd\[24329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.142  user=root
2020-06-29T14:59:34.392826vps751288.ovh.net sshd\[24329\]: Failed password for root from 222.186.173.142 port 1476 ssh2
2020-06-29T14:59:37.432000vps751288.ovh.net sshd\[24329\]: Failed password for root from 222.186.173.142 port 1476 ssh2
2020-06-29T14:59:40.882766vps751288.ovh.net sshd\[24329\]: Failed password for root from 222.186.173.142 port 1476 ssh2
2020-06-29T14:59:44.217950vps751288.ovh.net sshd\[24329\]: Failed password for root from 222.186.173.142 port 1476 ssh2
2020-06-29 21:04:55
193.56.28.155 attack
2020-06-29T14:40:25+02:00  exim[28413]: fixed_login authenticator failed for (User) [193.56.28.155]: 535 Incorrect authentication data (set_id=prueba3@dosoft.hu)
2020-06-29 21:14:55

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