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 <<>> 104.21.50.91
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33342
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.50.91.			IN	A

;; AUTHORITY SECTION:
.			156	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: Thu Feb 17 23:37:03 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 91.50.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 91.50.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
34.67.47.205 attackspambots
2020-04-11T12:58:54.423040abusebot-8.cloudsearch.cf sshd[23537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.47.67.34.bc.googleusercontent.com  user=root
2020-04-11T12:58:55.903021abusebot-8.cloudsearch.cf sshd[23537]: Failed password for root from 34.67.47.205 port 55386 ssh2
2020-04-11T13:02:29.666895abusebot-8.cloudsearch.cf sshd[23864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.47.67.34.bc.googleusercontent.com  user=root
2020-04-11T13:02:31.326438abusebot-8.cloudsearch.cf sshd[23864]: Failed password for root from 34.67.47.205 port 36198 ssh2
2020-04-11T13:06:14.259793abusebot-8.cloudsearch.cf sshd[24061]: Invalid user superman from 34.67.47.205 port 45254
2020-04-11T13:06:14.268542abusebot-8.cloudsearch.cf sshd[24061]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.47.67.34.bc.googleusercontent.com
2020-04-11T13:06:14.259793abusebot-8.clou
...
2020-04-11 23:02:29
118.25.104.200 attackbots
Apr 11 09:01:12 ws22vmsma01 sshd[81115]: Failed password for root from 118.25.104.200 port 55734 ssh2
Apr 11 09:18:20 ws22vmsma01 sshd[108576]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.104.200
...
2020-04-11 23:09:01
178.154.200.136 attack
[Sat Apr 11 19:18:58.633183 2020] [:error] [pid 7944:tid 139985714099968] [client 178.154.200.136:33014] [client 178.154.200.136] 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 "XpG1sskz5Lc7f6enOkJEkgAAAhw"]
...
2020-04-11 22:31:58
219.233.49.245 attack
DATE:2020-04-11 14:18:30, IP:219.233.49.245, PORT:1433 MSSQL brute force auth on honeypot server (epe-honey1-hq)
2020-04-11 23:00:16
93.114.86.226 attack
Automatic report - Banned IP Access
2020-04-11 22:49:57
171.103.25.82 attackbots
Dovecot Invalid User Login Attempt.
2020-04-11 23:05:13
52.14.38.182 attackbotsspam
2020-04-11T12:18:49.516792abusebot-6.cloudsearch.cf sshd[31676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-14-38-182.us-east-2.compute.amazonaws.com  user=root
2020-04-11T12:18:51.828318abusebot-6.cloudsearch.cf sshd[31676]: Failed password for root from 52.14.38.182 port 47892 ssh2
2020-04-11T12:22:31.504371abusebot-6.cloudsearch.cf sshd[31872]: Invalid user barling from 52.14.38.182 port 56640
2020-04-11T12:22:31.510145abusebot-6.cloudsearch.cf sshd[31872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-14-38-182.us-east-2.compute.amazonaws.com
2020-04-11T12:22:31.504371abusebot-6.cloudsearch.cf sshd[31872]: Invalid user barling from 52.14.38.182 port 56640
2020-04-11T12:22:33.299568abusebot-6.cloudsearch.cf sshd[31872]: Failed password for invalid user barling from 52.14.38.182 port 56640 ssh2
2020-04-11T12:26:07.174376abusebot-6.cloudsearch.cf sshd[32149]: pam_unix(sshd:auth): authe
...
2020-04-11 23:08:11
68.183.147.162 attackspam
Apr 11 16:22:28 cloud sshd[20944]: Failed password for root from 68.183.147.162 port 53284 ssh2
2020-04-11 22:28:12
181.174.160.20 attackbotsspam
(sshd) Failed SSH login from 181.174.160.20 (PY/Paraguay/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 11 14:18:37 ubnt-55d23 sshd[25747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.174.160.20  user=root
Apr 11 14:18:39 ubnt-55d23 sshd[25747]: Failed password for root from 181.174.160.20 port 38908 ssh2
2020-04-11 22:47:46
106.12.47.171 attack
Apr 11 14:02:34 ns382633 sshd\[31603\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.47.171  user=root
Apr 11 14:02:36 ns382633 sshd\[31603\]: Failed password for root from 106.12.47.171 port 47212 ssh2
Apr 11 14:16:47 ns382633 sshd\[1909\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.47.171  user=root
Apr 11 14:16:48 ns382633 sshd\[1909\]: Failed password for root from 106.12.47.171 port 45450 ssh2
Apr 11 14:18:59 ns382633 sshd\[2180\]: Invalid user postmaster from 106.12.47.171 port 42824
Apr 11 14:18:59 ns382633 sshd\[2180\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.47.171
2020-04-11 22:31:31
219.233.49.233 attack
DATE:2020-04-11 14:18:49, IP:219.233.49.233, PORT:1433 MSSQL brute force auth on honeypot server (epe-honey1-hq)
2020-04-11 22:41:54
42.119.204.163 attack
" "
2020-04-11 22:13:57
170.84.209.222 attackspambots
Apr 11 10:21:19 vps46666688 sshd[19453]: Failed password for root from 170.84.209.222 port 47198 ssh2
...
2020-04-11 22:40:00
113.175.11.97 attack
SSH authentication failure x 6 reported by Fail2Ban
...
2020-04-11 23:04:21
114.67.75.141 attackspambots
SSH brutforce
2020-04-11 23:06:25

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