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: Sweden

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 <<>> 138.103.166.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30186
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.103.166.55.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020600 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 00:05:56 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 55.166.103.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.166.103.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
142.93.202.159 attackspambots
Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-12 13:48:07
46.38.150.142 attackbots
Jun 12 07:16:58 srv01 postfix/smtpd\[3040\]: warning: unknown\[46.38.150.142\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 07:17:11 srv01 postfix/smtpd\[32096\]: warning: unknown\[46.38.150.142\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 07:17:48 srv01 postfix/smtpd\[11265\]: warning: unknown\[46.38.150.142\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 07:17:51 srv01 postfix/smtpd\[3040\]: warning: unknown\[46.38.150.142\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 12 07:18:00 srv01 postfix/smtpd\[32096\]: warning: unknown\[46.38.150.142\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-12 13:18:05
106.37.178.172 attackbotsspam
Port probing on unauthorized port 1433
2020-06-12 13:45:55
212.129.144.231 attack
Jun 12 05:39:59 roki-contabo sshd\[31486\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.144.231  user=root
Jun 12 05:40:01 roki-contabo sshd\[31486\]: Failed password for root from 212.129.144.231 port 56382 ssh2
Jun 12 05:53:09 roki-contabo sshd\[31633\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.144.231  user=root
Jun 12 05:53:11 roki-contabo sshd\[31633\]: Failed password for root from 212.129.144.231 port 48542 ssh2
Jun 12 05:56:47 roki-contabo sshd\[31658\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.144.231  user=root
...
2020-06-12 14:04:45
103.200.22.126 attackbotsspam
Jun 11 18:44:40 php1 sshd\[3064\]: Invalid user fog from 103.200.22.126
Jun 11 18:44:40 php1 sshd\[3064\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.200.22.126
Jun 11 18:44:43 php1 sshd\[3064\]: Failed password for invalid user fog from 103.200.22.126 port 56154 ssh2
Jun 11 18:48:38 php1 sshd\[3435\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.200.22.126  user=root
Jun 11 18:48:39 php1 sshd\[3435\]: Failed password for root from 103.200.22.126 port 56128 ssh2
2020-06-12 14:02:38
111.229.185.154 attackbots
Jun 12 06:00:02 cdc sshd[2533]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.185.154 
Jun 12 06:00:03 cdc sshd[2533]: Failed password for invalid user ocysp from 111.229.185.154 port 47742 ssh2
2020-06-12 13:40:34
91.166.95.207 attackspam
3x Failed Password
2020-06-12 13:52:48
178.128.61.101 attackbots
Jun 12 07:06:21 vps687878 sshd\[21546\]: Failed password for invalid user yangdeyue from 178.128.61.101 port 53000 ssh2
Jun 12 07:09:09 vps687878 sshd\[21820\]: Invalid user helpdesk from 178.128.61.101 port 40366
Jun 12 07:09:09 vps687878 sshd\[21820\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.61.101
Jun 12 07:09:12 vps687878 sshd\[21820\]: Failed password for invalid user helpdesk from 178.128.61.101 port 40366 ssh2
Jun 12 07:12:08 vps687878 sshd\[22244\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.61.101  user=root
...
2020-06-12 13:22:05
49.88.112.116 attackbotsspam
Jun 12 05:48:10 django-0 sshd\[27313\]: Failed password for root from 49.88.112.116 port 13584 ssh2Jun 12 05:49:15 django-0 sshd\[27325\]: Failed password for root from 49.88.112.116 port 42369 ssh2Jun 12 05:50:23 django-0 sshd\[27353\]: Failed password for root from 49.88.112.116 port 10987 ssh2
...
2020-06-12 13:47:01
91.121.221.195 attack
Jun 12 07:58:18 lukav-desktop sshd\[10535\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.221.195  user=root
Jun 12 07:58:20 lukav-desktop sshd\[10535\]: Failed password for root from 91.121.221.195 port 50928 ssh2
Jun 12 08:01:26 lukav-desktop sshd\[10594\]: Invalid user ela from 91.121.221.195
Jun 12 08:01:26 lukav-desktop sshd\[10594\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.221.195
Jun 12 08:01:28 lukav-desktop sshd\[10594\]: Failed password for invalid user ela from 91.121.221.195 port 52616 ssh2
2020-06-12 13:43:41
213.32.91.37 attackspambots
Jun 12 00:24:45 ny01 sshd[23287]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.91.37
Jun 12 00:24:47 ny01 sshd[23287]: Failed password for invalid user set from 213.32.91.37 port 55810 ssh2
Jun 12 00:28:02 ny01 sshd[24188]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.91.37
2020-06-12 14:07:42
65.155.9.82 attackspambots
Brute forcing email accounts
2020-06-12 13:25:12
106.52.40.48 attackbots
Jun 12 06:52:15 * sshd[21750]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.40.48
Jun 12 06:52:17 * sshd[21750]: Failed password for invalid user vnc from 106.52.40.48 port 59808 ssh2
2020-06-12 13:52:18
183.89.241.133 attack
Brute force attempt
2020-06-12 14:02:13
106.52.137.120 attackspambots
Tried sshing with brute force.
2020-06-12 14:06:46

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