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 <<>> 138.42.181.91
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12832
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;138.42.181.91.			IN	A

;; AUTHORITY SECTION:
.			512	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019110102 1800 900 604800 86400

;; Query time: 409 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Nov 02 08:35:48 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 91.181.42.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 91.181.42.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.232.51.60 attackbotsspam
2020-05-28T21:32:30.401569shield sshd\[15320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.51.60  user=root
2020-05-28T21:32:32.157863shield sshd\[15320\]: Failed password for root from 49.232.51.60 port 33254 ssh2
2020-05-28T21:35:52.281894shield sshd\[15783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.51.60  user=root
2020-05-28T21:35:54.769865shield sshd\[15783\]: Failed password for root from 49.232.51.60 port 56394 ssh2
2020-05-28T21:39:23.703966shield sshd\[16633\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.51.60  user=root
2020-05-29 05:40:29
185.251.249.111 attackspambots
May 27 17:51:35 s02-markstaller sshd[21505]: Invalid user euseron from 185.251.249.111
May 27 17:51:37 s02-markstaller sshd[21505]: Failed password for invalid user euseron from 185.251.249.111 port 39834 ssh2
May 27 17:54:49 s02-markstaller sshd[21602]: Failed password for r.r from 185.251.249.111 port 35215 ssh2
May 27 17:57:46 s02-markstaller sshd[21689]: Failed password for r.r from 185.251.249.111 port 58379 ssh2
May 27 18:00:37 s02-markstaller sshd[21785]: Failed password for r.r from 185.251.249.111 port 53312 ssh2
May 27 18:03:32 s02-markstaller sshd[21877]: Failed password for r.r from 185.251.249.111 port 48244 ssh2
May 27 18:06:27 s02-markstaller sshd[21985]: Failed password for r.r from 185.251.249.111 port 43177 ssh2
May 27 18:09:27 s02-markstaller sshd[22135]: Invalid user admin from 185.251.249.111
May 27 18:09:29 s02-markstaller sshd[22135]: Failed password for invalid user admin from 185.251.249.111 port 38107 ssh2
May 27 18:12:22 s02-markstaller sshd[22........
------------------------------
2020-05-29 05:54:55
103.89.88.65 attackbots
Automatic report - Brute Force attack using this IP address
2020-05-29 05:29:25
202.137.154.125 attackspambots
Dovecot Invalid User Login Attempt.
2020-05-29 06:08:28
60.29.31.98 attackspam
Invalid user Lothus from 60.29.31.98 port 35480
2020-05-29 06:10:10
104.32.73.104 attackspam
Honeypot attack, port: 81, PTR: cpe-104-32-73-104.socal.res.rr.com.
2020-05-29 05:47:54
176.228.56.53 attackbots
Honeypot attack, port: 5555, PTR: 176-228-56-53.orange.net.il.
2020-05-29 06:04:40
94.191.66.227 attack
May 29 00:32:17 hosting sshd[30553]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.66.227  user=root
May 29 00:32:19 hosting sshd[30553]: Failed password for root from 94.191.66.227 port 35838 ssh2
...
2020-05-29 06:06:33
51.83.33.88 attackspam
May 28 22:08:56 santamaria sshd\[25474\]: Invalid user openerp from 51.83.33.88
May 28 22:08:56 santamaria sshd\[25474\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.33.88
May 28 22:08:58 santamaria sshd\[25474\]: Failed password for invalid user openerp from 51.83.33.88 port 51478 ssh2
...
2020-05-29 05:29:40
145.255.31.52 attackspambots
May 29 02:58:39 itv-usvr-01 sshd[26199]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.255.31.52  user=root
May 29 02:58:41 itv-usvr-01 sshd[26199]: Failed password for root from 145.255.31.52 port 34255 ssh2
May 29 03:08:40 itv-usvr-01 sshd[26557]: Invalid user admin from 145.255.31.52
May 29 03:08:40 itv-usvr-01 sshd[26557]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.255.31.52
May 29 03:08:40 itv-usvr-01 sshd[26557]: Invalid user admin from 145.255.31.52
May 29 03:08:41 itv-usvr-01 sshd[26557]: Failed password for invalid user admin from 145.255.31.52 port 37124 ssh2
2020-05-29 05:47:34
52.130.74.186 attackbotsspam
May 28 22:42:15 srv-ubuntu-dev3 sshd[91166]: Invalid user alliance from 52.130.74.186
May 28 22:42:15 srv-ubuntu-dev3 sshd[91166]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.130.74.186
May 28 22:42:15 srv-ubuntu-dev3 sshd[91166]: Invalid user alliance from 52.130.74.186
May 28 22:42:17 srv-ubuntu-dev3 sshd[91166]: Failed password for invalid user alliance from 52.130.74.186 port 41968 ssh2
May 28 22:46:27 srv-ubuntu-dev3 sshd[91884]: Invalid user onlyu from 52.130.74.186
May 28 22:46:27 srv-ubuntu-dev3 sshd[91884]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.130.74.186
May 28 22:46:27 srv-ubuntu-dev3 sshd[91884]: Invalid user onlyu from 52.130.74.186
May 28 22:46:29 srv-ubuntu-dev3 sshd[91884]: Failed password for invalid user onlyu from 52.130.74.186 port 43866 ssh2
May 28 22:50:27 srv-ubuntu-dev3 sshd[92527]: Invalid user zxcv123321 from 52.130.74.186
...
2020-05-29 05:37:33
140.143.244.31 attackspambots
2020-05-28T23:04:49.036359lavrinenko.info sshd[15997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.244.31
2020-05-28T23:04:49.027830lavrinenko.info sshd[15997]: Invalid user doug from 140.143.244.31 port 54640
2020-05-28T23:04:51.214118lavrinenko.info sshd[15997]: Failed password for invalid user doug from 140.143.244.31 port 54640 ssh2
2020-05-28T23:08:32.111002lavrinenko.info sshd[16202]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.244.31  user=root
2020-05-28T23:08:34.239160lavrinenko.info sshd[16202]: Failed password for root from 140.143.244.31 port 37738 ssh2
...
2020-05-29 05:55:21
54.38.158.17 attackspam
May 28 23:21:19 PorscheCustomer sshd[26757]: Failed password for root from 54.38.158.17 port 45926 ssh2
May 28 23:24:54 PorscheCustomer sshd[26863]: Failed password for root from 54.38.158.17 port 51586 ssh2
...
2020-05-29 06:04:59
222.187.232.30 attack
Port probing on unauthorized port 22
2020-05-29 06:03:34
81.182.254.124 attackspam
SASL PLAIN auth failed: ruser=...
2020-05-29 06:09:51

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