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 <<>> 104.21.16.61
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47058
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.61.			IN	A

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

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:15:56 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 61.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 61.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.97.213.194 attackspambots
May  3 01:55:40 DAAP sshd[22489]: Invalid user mitra from 118.97.213.194 port 32974
May  3 01:55:40 DAAP sshd[22489]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.97.213.194
May  3 01:55:40 DAAP sshd[22489]: Invalid user mitra from 118.97.213.194 port 32974
May  3 01:55:42 DAAP sshd[22489]: Failed password for invalid user mitra from 118.97.213.194 port 32974 ssh2
May  3 02:00:11 DAAP sshd[22554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.97.213.194  user=root
May  3 02:00:13 DAAP sshd[22554]: Failed password for root from 118.97.213.194 port 38098 ssh2
...
2020-05-03 08:39:06
173.249.39.196 attackspam
May  3 05:57:28 vps647732 sshd[26916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.249.39.196
May  3 05:57:29 vps647732 sshd[26916]: Failed password for invalid user server from 173.249.39.196 port 52072 ssh2
...
2020-05-03 12:01:43
34.80.223.251 attackspambots
k+ssh-bruteforce
2020-05-03 08:43:42
178.154.200.116 attackbotsspam
[Sun May 03 03:32:24.029283 2020] [:error] [pid 24018:tid 139939790259968] [client 178.154.200.116:56396] [client 178.154.200.116] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "Xq3Y2L43rJIGTQDypFE2HgAABaI"]
...
2020-05-03 08:44:26
218.92.0.158 attackspambots
May  3 02:22:01 vpn01 sshd[15996]: Failed password for root from 218.92.0.158 port 30375 ssh2
May  3 02:22:14 vpn01 sshd[15996]: error: maximum authentication attempts exceeded for root from 218.92.0.158 port 30375 ssh2 [preauth]
...
2020-05-03 08:36:59
87.103.120.250 attack
Invalid user frappe from 87.103.120.250 port 34078
2020-05-03 08:45:52
119.29.205.52 attackspambots
SSH / Telnet Brute Force Attempts on Honeypot
2020-05-03 08:41:06
104.248.92.124 attack
May  3 05:53:26 legacy sshd[3931]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.92.124
May  3 05:53:27 legacy sshd[3931]: Failed password for invalid user navi from 104.248.92.124 port 52358 ssh2
May  3 05:57:16 legacy sshd[4103]: Failed password for root from 104.248.92.124 port 34294 ssh2
...
2020-05-03 12:11:12
51.254.32.133 attack
SSH authentication failure x 6 reported by Fail2Ban
...
2020-05-03 08:46:38
88.147.88.167 attackbots
SSH brute-force attempt
2020-05-03 12:23:50
208.79.106.230 attack
May  3 05:49:12 h2779839 sshd[28017]: Invalid user teamspeak from 208.79.106.230 port 37662
May  3 05:49:12 h2779839 sshd[28017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.79.106.230
May  3 05:49:12 h2779839 sshd[28017]: Invalid user teamspeak from 208.79.106.230 port 37662
May  3 05:49:15 h2779839 sshd[28017]: Failed password for invalid user teamspeak from 208.79.106.230 port 37662 ssh2
May  3 05:53:03 h2779839 sshd[29956]: Invalid user bdd from 208.79.106.230 port 43927
May  3 05:53:03 h2779839 sshd[29956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.79.106.230
May  3 05:53:03 h2779839 sshd[29956]: Invalid user bdd from 208.79.106.230 port 43927
May  3 05:53:05 h2779839 sshd[29956]: Failed password for invalid user bdd from 208.79.106.230 port 43927 ssh2
May  3 05:57:08 h2779839 sshd[30160]: Invalid user ops from 208.79.106.230 port 50196
...
2020-05-03 12:15:13
77.88.5.42 attackspambots
Malicious brute force vulnerability hacking attacks
2020-05-03 12:02:15
103.16.223.243 attackspambots
May  3 06:48:49 pkdns2 sshd\[7776\]: Invalid user alfred from 103.16.223.243May  3 06:48:52 pkdns2 sshd\[7776\]: Failed password for invalid user alfred from 103.16.223.243 port 44785 ssh2May  3 06:53:04 pkdns2 sshd\[8009\]: Invalid user xbmc from 103.16.223.243May  3 06:53:06 pkdns2 sshd\[8009\]: Failed password for invalid user xbmc from 103.16.223.243 port 49748 ssh2May  3 06:57:24 pkdns2 sshd\[8179\]: Invalid user donatas from 103.16.223.243May  3 06:57:26 pkdns2 sshd\[8179\]: Failed password for invalid user donatas from 103.16.223.243 port 54683 ssh2
...
2020-05-03 12:01:55
107.77.245.57 spambotsattackproxy
support@opentracker.net
2020-05-03 11:34:52
219.143.70.252 attackspam
port scan and connect, tcp 1433 (ms-sql-s)
2020-05-03 08:33:33

Recently Reported IPs

104.21.16.59 104.21.16.62 104.21.16.70 104.21.16.71
104.21.16.72 104.21.16.79 104.21.16.83 104.21.16.84
104.21.16.87 245.187.217.66 104.21.16.89 104.21.16.91
104.21.16.92 104.21.16.93 104.21.16.95 104.21.16.96
104.21.17.10 104.21.17.100 104.21.17.101 104.21.17.103