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

Internet Service Provider: Microsoft Corporation

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
May  5 06:16:32 dns1 sshd[19301]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99 
May  5 06:16:35 dns1 sshd[19301]: Failed password for invalid user sergio from 157.55.81.99 port 51304 ssh2
May  5 06:20:58 dns1 sshd[19524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99
2020-05-05 17:38:40
attack
Invalid user zm from 157.55.81.99 port 36028
2020-04-23 15:59:23
attackbotsspam
Apr 22 14:58:28 firewall sshd[11225]: Failed password for invalid user ubuntu from 157.55.81.99 port 39294 ssh2
Apr 22 15:03:05 firewall sshd[11419]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99  user=root
Apr 22 15:03:07 firewall sshd[11419]: Failed password for root from 157.55.81.99 port 34544 ssh2
...
2020-04-23 02:52:02
attack
...
2020-04-20 07:47:49
attackbotsspam
Apr 18 16:32:34 tuxlinux sshd[35585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99  user=root
Apr 18 16:32:36 tuxlinux sshd[35585]: Failed password for root from 157.55.81.99 port 41556 ssh2
Apr 18 16:32:34 tuxlinux sshd[35585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99  user=root
Apr 18 16:32:36 tuxlinux sshd[35585]: Failed password for root from 157.55.81.99 port 41556 ssh2
Apr 18 16:41:28 tuxlinux sshd[35857]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.55.81.99  user=root
...
2020-04-19 01:32:19
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 157.55.81.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19459
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			432	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020041800 1800 900 604800 86400

;; Query time: 98 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Apr 19 01:32:15 CST 2020
;; MSG SIZE  rcvd: 116
Host info
Host 99.81.55.157.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.81.55.157.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
198.108.67.111 attack
Portscan or hack attempt detected by psad/fwsnort
2019-07-06 18:58:54
115.150.224.139 attackbots
ssh failed login
2019-07-06 19:39:37
134.119.213.74 attackbotsspam
Unauthorised access (Jul  6) SRC=134.119.213.74 LEN=40 TTL=245 ID=55788 TCP DPT=445 WINDOW=1024 SYN 
Unauthorised access (Jul  2) SRC=134.119.213.74 LEN=40 TTL=244 ID=52914 TCP DPT=445 WINDOW=1024 SYN
2019-07-06 18:59:20
217.112.128.185 attack
Postfix DNSBL listed. Trying to send SPAM.
2019-07-06 19:40:50
187.120.134.77 attackbotsspam
SMTP-sasl brute force
...
2019-07-06 19:05:49
92.118.37.70 attackbots
Honeypot attack, port: 445, PTR: PTR record not found
2019-07-06 19:22:28
213.32.75.17 attackspam
\[Sat Jul 06 05:37:55.484664 2019\] \[authz_core:error\] \[pid 7253:tid 139998629906176\] \[client 213.32.75.17:60680\] AH01630: client denied by server configuration: /var/www/cyberhill/.user.ini, referer: https://www.cyberhill.fr/.user.ini
...
2019-07-06 19:18:09
118.68.170.172 attackspambots
Jul  6 04:39:41 ip-172-31-1-72 sshd\[12340\]: Invalid user rober from 118.68.170.172
Jul  6 04:39:41 ip-172-31-1-72 sshd\[12340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.68.170.172
Jul  6 04:39:42 ip-172-31-1-72 sshd\[12340\]: Failed password for invalid user rober from 118.68.170.172 port 35714 ssh2
Jul  6 04:42:08 ip-172-31-1-72 sshd\[12403\]: Invalid user vinay from 118.68.170.172
Jul  6 04:42:08 ip-172-31-1-72 sshd\[12403\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.68.170.172
2019-07-06 18:53:41
200.33.93.205 attack
Brute force attack to crack SMTP password (port 25 / 587)
2019-07-06 19:09:24
51.77.146.136 attackspam
Jul  6 11:14:06 vmd17057 sshd\[17998\]: Invalid user dc from 51.77.146.136 port 34688
Jul  6 11:14:06 vmd17057 sshd\[17998\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.146.136
Jul  6 11:14:07 vmd17057 sshd\[17998\]: Failed password for invalid user dc from 51.77.146.136 port 34688 ssh2
...
2019-07-06 19:06:43
68.183.132.245 attack
Jul  6 02:29:54 vps200512 sshd\[16460\]: Invalid user jake from 68.183.132.245
Jul  6 02:29:54 vps200512 sshd\[16460\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.132.245
Jul  6 02:29:56 vps200512 sshd\[16460\]: Failed password for invalid user jake from 68.183.132.245 port 32990 ssh2
Jul  6 02:32:27 vps200512 sshd\[16485\]: Invalid user git5 from 68.183.132.245
Jul  6 02:32:27 vps200512 sshd\[16485\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.132.245
2019-07-06 19:24:03
191.53.195.64 attackbotsspam
Jul  5 23:36:10 web1 postfix/smtpd[31149]: warning: unknown[191.53.195.64]: SASL PLAIN authentication failed: authentication failure
...
2019-07-06 19:43:32
85.93.133.178 attackspambots
Jul  6 12:55:13 core01 sshd\[11959\]: Invalid user deploy from 85.93.133.178 port 11670
Jul  6 12:55:13 core01 sshd\[11959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.93.133.178
...
2019-07-06 19:07:12
45.119.208.187 attackbots
45.119.208.187 - - [06/Jul/2019:05:39:18 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.119.208.187 - - [06/Jul/2019:05:39:19 +0200] "POST /wp-login.php HTTP/1.1" 200 1632 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.119.208.187 - - [06/Jul/2019:05:39:19 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.119.208.187 - - [06/Jul/2019:05:39:19 +0200] "POST /wp-login.php HTTP/1.1" 200 1607 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.119.208.187 - - [06/Jul/2019:05:39:19 +0200] "GET /wp-login.php HTTP/1.1" 200 1237 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.119.208.187 - - [06/Jul/2019:05:39:20 +0200] "POST /wp-login.php HTTP/1.1" 200 1608 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2019-07-06 18:51:53
202.175.113.123 attack
SMB Server BruteForce Attack
2019-07-06 19:31:27

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