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: Bahnhof AB

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
Aug 27 12:00:36 host-itldc-nl sshd[28125]: User root from 155.4.138.99 not allowed because not listed in AllowUsers
Aug 27 15:01:54 host-itldc-nl sshd[16093]: User root from 155.4.138.99 not allowed because not listed in AllowUsers
Aug 27 15:02:06 host-itldc-nl sshd[16966]: User root from 155.4.138.99 not allowed because not listed in AllowUsers
...
2020-08-27 22:23:29
Comments on same subnet:
IP Type Details Datetime
155.4.138.59 attackspam
Unauthorized connection attempt detected from IP address 155.4.138.59 to port 5555 [J]
2020-01-07 17:52:33
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 155.4.138.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31577
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			562	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020082700 1800 900 604800 86400

;; Query time: 115 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Aug 27 22:23:21 CST 2020
;; MSG SIZE  rcvd: 116
Host info
99.138.4.155.in-addr.arpa domain name pointer h-138-99.A317.priv.bahnhof.se.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
99.138.4.155.in-addr.arpa	name = h-138-99.A317.priv.bahnhof.se.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
221.160.100.14 attackbots
Oct  9 01:52:03 www5 sshd\[10841\]: Invalid user ubuntu from 221.160.100.14
Oct  9 01:52:03 www5 sshd\[10841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.160.100.14
Oct  9 01:52:04 www5 sshd\[10841\]: Failed password for invalid user ubuntu from 221.160.100.14 port 38758 ssh2
...
2019-10-09 07:10:04
117.2.82.231 attackbots
Unauthorized connection attempt from IP address 117.2.82.231 on Port 445(SMB)
2019-10-09 07:40:03
2607:5300:60:520a:: attackbots
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:19:15 +0200] "POST /[munged]: HTTP/1.1" 200 7062 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:19:21 +0200] "POST /[munged]: HTTP/1.1" 200 6925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:19:24 +0200] "POST /[munged]: HTTP/1.1" 200 6927 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:19:28 +0200] "POST /[munged]: HTTP/1.1" 200 6932 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:19:31 +0200] "POST /[munged]: HTTP/1.1" 200 6924 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2607:5300:60:520a:: - - [08/Oct/2019:23:20:23 +0200] "POST /[munged]: HTTP/1.1"
2019-10-09 07:11:39
222.186.175.163 attackspambots
Oct  9 01:59:13 pkdns2 sshd\[62180\]: Failed password for root from 222.186.175.163 port 47864 ssh2Oct  9 01:59:17 pkdns2 sshd\[62180\]: Failed password for root from 222.186.175.163 port 47864 ssh2Oct  9 01:59:21 pkdns2 sshd\[62180\]: Failed password for root from 222.186.175.163 port 47864 ssh2Oct  9 01:59:40 pkdns2 sshd\[62191\]: Failed password for root from 222.186.175.163 port 23462 ssh2Oct  9 02:00:02 pkdns2 sshd\[62191\]: Failed password for root from 222.186.175.163 port 23462 ssh2Oct  9 02:00:12 pkdns2 sshd\[62247\]: Failed password for root from 222.186.175.163 port 5376 ssh2
...
2019-10-09 07:05:53
200.169.223.98 attackspambots
2019-10-08T22:44:14.160019abusebot-8.cloudsearch.cf sshd\[23239\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.169.223.98  user=root
2019-10-09 07:17:14
176.31.253.204 attackbotsspam
Oct  8 21:44:07 localhost sshd\[26627\]: Invalid user ubuntu from 176.31.253.204 port 51578
Oct  8 21:44:07 localhost sshd\[26627\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.253.204
Oct  8 21:44:09 localhost sshd\[26627\]: Failed password for invalid user ubuntu from 176.31.253.204 port 51578 ssh2
...
2019-10-09 07:31:00
104.168.199.165 attack
Tried sshing with brute force.
2019-10-09 07:04:48
181.189.135.10 attackbotsspam
Port 1433 Scan
2019-10-09 07:34:40
175.211.112.254 attackspam
Oct  8 05:20:44 *** sshd[11656]: Failed password for invalid user open from 175.211.112.254 port 33464 ssh2
2019-10-09 07:37:12
182.74.116.210 attackbots
Unauthorized connection attempt from IP address 182.74.116.210 on Port 445(SMB)
2019-10-09 07:11:22
144.217.40.3 attackbots
Oct  9 00:54:42 core sshd[23946]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.40.3  user=root
Oct  9 00:54:44 core sshd[23946]: Failed password for root from 144.217.40.3 port 56260 ssh2
...
2019-10-09 07:08:24
107.173.145.168 attackbots
2019-10-08T23:16:06.111604abusebot-8.cloudsearch.cf sshd\[23395\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.145.168  user=root
2019-10-09 07:37:38
49.235.86.100 attackspambots
Oct  9 02:58:05 areeb-Workstation sshd[9443]: Failed password for root from 49.235.86.100 port 51874 ssh2
...
2019-10-09 07:04:02
185.36.81.243 attackbots
Oct  8 22:47:12 mail postfix/smtpd\[13308\]: warning: unknown\[185.36.81.243\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct  8 23:09:18 mail postfix/smtpd\[12874\]: warning: unknown\[185.36.81.243\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct  8 23:31:21 mail postfix/smtpd\[14879\]: warning: unknown\[185.36.81.243\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct  9 00:15:46 mail postfix/smtpd\[16234\]: warning: unknown\[185.36.81.243\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-10-09 07:06:26
104.36.46.28 attack
SS5,WP GET /wp-login.php
2019-10-09 07:38:10

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