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 of America (the)

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 <<>> 157.91.40.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30824
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;157.91.40.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022001 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 21 06:49:26 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.40.91.157.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.40.91.157.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.234.126.35 attack
Oct 11 17:23:50 srv-ubuntu-dev3 sshd[28725]: Invalid user holly from 49.234.126.35
Oct 11 17:23:50 srv-ubuntu-dev3 sshd[28725]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.126.35
Oct 11 17:23:50 srv-ubuntu-dev3 sshd[28725]: Invalid user holly from 49.234.126.35
Oct 11 17:23:52 srv-ubuntu-dev3 sshd[28725]: Failed password for invalid user holly from 49.234.126.35 port 51068 ssh2
Oct 11 17:26:26 srv-ubuntu-dev3 sshd[29035]: Invalid user yoshizumi from 49.234.126.35
Oct 11 17:26:26 srv-ubuntu-dev3 sshd[29035]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.126.35
Oct 11 17:26:26 srv-ubuntu-dev3 sshd[29035]: Invalid user yoshizumi from 49.234.126.35
Oct 11 17:26:28 srv-ubuntu-dev3 sshd[29035]: Failed password for invalid user yoshizumi from 49.234.126.35 port 49978 ssh2
Oct 11 17:29:01 srv-ubuntu-dev3 sshd[29328]: Invalid user duncan from 49.234.126.35
...
2020-10-12 00:04:02
185.42.170.203 attackbots
Oct 11 01:50:38 ssh2 sshd[34372]: Invalid user admin from 185.42.170.203 port 42213
Oct 11 01:50:39 ssh2 sshd[34372]: Failed password for invalid user admin from 185.42.170.203 port 42213 ssh2
Oct 11 01:50:39 ssh2 sshd[34372]: Connection closed by invalid user admin 185.42.170.203 port 42213 [preauth]
...
2020-10-12 00:07:16
122.194.229.37 attack
Oct 11 17:55:05 db sshd[12220]: User root from 122.194.229.37 not allowed because none of user's groups are listed in AllowGroups
...
2020-10-12 00:01:16
88.157.239.6 attackbots
Automatically reported by fail2ban report script (mx1)
2020-10-12 00:10:47
51.223.146.4 attackbots
Unauthorized connection attempt from IP address 51.223.146.4 on Port 445(SMB)
2020-10-12 00:15:30
66.57.151.234 attackbotsspam
Icarus honeypot on github
2020-10-12 00:13:28
195.123.246.16 attack
[N3.H3.VM3] Port Scanner Detected Blocked by UFW
2020-10-11 23:39:48
103.76.253.150 attackbots
2020-10-11T17:30:20.668666ns386461 sshd\[6421\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.76.253.150  user=root
2020-10-11T17:30:22.206529ns386461 sshd\[6421\]: Failed password for root from 103.76.253.150 port 35905 ssh2
2020-10-11T17:36:06.383964ns386461 sshd\[11601\]: Invalid user play from 103.76.253.150 port 5834
2020-10-11T17:36:06.387463ns386461 sshd\[11601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.76.253.150
2020-10-11T17:36:08.094445ns386461 sshd\[11601\]: Failed password for invalid user play from 103.76.253.150 port 5834 ssh2
...
2020-10-11 23:57:31
120.239.196.94 attackspam
(sshd) Failed SSH login from 120.239.196.94 (CN/China/Guangdong/Guangzhou/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct 11 08:14:39 atlas sshd[19662]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.239.196.94  user=root
Oct 11 08:14:41 atlas sshd[19662]: Failed password for root from 120.239.196.94 port 53520 ssh2
Oct 11 08:26:55 atlas sshd[23119]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.239.196.94  user=root
Oct 11 08:26:56 atlas sshd[23119]: Failed password for root from 120.239.196.94 port 37896 ssh2
Oct 11 08:29:46 atlas sshd[23705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.239.196.94  user=root
2020-10-12 00:07:46
106.13.42.140 attack
Oct 11 15:24:05 serwer sshd\[24282\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.42.140  user=root
Oct 11 15:24:08 serwer sshd\[24282\]: Failed password for root from 106.13.42.140 port 35530 ssh2
Oct 11 15:29:06 serwer sshd\[24929\]: Invalid user ellen from 106.13.42.140 port 58314
Oct 11 15:29:06 serwer sshd\[24929\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.42.140
...
2020-10-11 23:41:38
142.93.193.63 attackspambots
142.93.193.63 - - [10/Oct/2020:23:36:39 +0100] "POST /wp-login.php HTTP/1.1" 200 2302 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.193.63 - - [10/Oct/2020:23:36:41 +0100] "POST /wp-login.php HTTP/1.1" 200 2238 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.193.63 - - [10/Oct/2020:23:36:43 +0100] "POST /wp-login.php HTTP/1.1" 200 2282 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-12 00:13:01
114.67.169.63 attackspam
sshd jail - ssh hack attempt
2020-10-11 23:48:38
189.127.144.22 attack
20/10/11@07:58:21: FAIL: IoT-Telnet address from=189.127.144.22
...
2020-10-12 00:04:23
103.223.9.13 attack
Unauthorized connection attempt detected from IP address 103.223.9.13 to port 23
2020-10-12 00:01:43
219.77.50.211 attackspambots
Unauthorised access (Oct 10) SRC=219.77.50.211 LEN=40 TTL=50 ID=27882 TCP DPT=23 WINDOW=9692 SYN
2020-10-11 23:56:11

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