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: Germany

Internet Service Provider: FNorden e.V. - Freifunk Hannover

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
Apr  5 14:42:59 mail postfix/smtpd[71779]: lost connection after STARTTLS from leintor.e.ffh.zone[81.3.6.94]
2020-04-05 23:54:37
Comments on same subnet:
IP Type Details Datetime
81.3.6.162 attackbots
TCP port : 23
2020-10-05 02:30:47
81.3.6.166 attack
TCP port : 23
2020-10-05 02:03:40
81.3.6.164 attackspam
TCP port : 23
2020-10-05 01:12:11
81.3.6.162 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-10-04 18:13:53
81.3.6.166 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-10-04 17:46:54
81.3.6.164 attack
 TCP (SYN) 81.3.6.164:29491 -> port 23, len 44
2020-10-04 16:54:12
81.3.6.162 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-09-18 19:36:29
81.3.6.164 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-09-18 19:34:52
81.3.6.164 attackspambots
*Port Scan* detected from 81.3.6.164 (DE/Germany/Lower Saxony/Hanover (Linden-Limmer)/w3.tutanota.de). 4 hits in the last 256 seconds
2020-08-26 12:19:41
81.3.6.170 attack
Scan
2020-08-22 17:02:27
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 81.3.6.94
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34624
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			444	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020040500 1800 900 604800 86400

;; Query time: 98 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Apr 05 23:54:30 CST 2020
;; MSG SIZE  rcvd: 113
Host info
94.6.3.81.in-addr.arpa domain name pointer leintor.e.ffh.zone.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
94.6.3.81.in-addr.arpa	name = leintor.e.ffh.zone.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
171.245.4.70 attack
Apr 20 17:11:06 server sshd\[227012\]: Invalid user admin from 171.245.4.70
Apr 20 17:11:06 server sshd\[227012\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.245.4.70
Apr 20 17:11:08 server sshd\[227012\]: Failed password for invalid user admin from 171.245.4.70 port 33477 ssh2
...
2019-10-09 12:19:24
171.238.59.76 attack
Aug  4 09:51:11 server sshd\[47877\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.238.59.76  user=root
Aug  4 09:51:12 server sshd\[47877\]: Failed password for root from 171.238.59.76 port 35414 ssh2
Aug  4 09:51:14 server sshd\[47877\]: Failed password for root from 171.238.59.76 port 35414 ssh2
...
2019-10-09 12:27:36
67.205.135.188 attackbots
Oct  9 06:09:10 lnxmysql61 sshd[23945]: Failed password for root from 67.205.135.188 port 35420 ssh2
Oct  9 06:09:10 lnxmysql61 sshd[23945]: Failed password for root from 67.205.135.188 port 35420 ssh2
2019-10-09 12:26:53
168.243.232.149 attackspambots
Jul  3 18:09:32 server sshd\[235870\]: Invalid user up from 168.243.232.149
Jul  3 18:09:32 server sshd\[235870\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.243.232.149
Jul  3 18:09:34 server sshd\[235870\]: Failed password for invalid user up from 168.243.232.149 port 60382 ssh2
...
2019-10-09 12:57:27
49.235.214.68 attack
2019-10-09T05:47:48.438758lon01.zurich-datacenter.net sshd\[12639\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.214.68  user=root
2019-10-09T05:47:50.717311lon01.zurich-datacenter.net sshd\[12639\]: Failed password for root from 49.235.214.68 port 46528 ssh2
2019-10-09T05:52:29.975439lon01.zurich-datacenter.net sshd\[12737\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.214.68  user=root
2019-10-09T05:52:32.162983lon01.zurich-datacenter.net sshd\[12737\]: Failed password for root from 49.235.214.68 port 51450 ssh2
2019-10-09T05:57:15.379257lon01.zurich-datacenter.net sshd\[12840\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.214.68  user=root
...
2019-10-09 12:38:46
111.230.116.149 attack
Oct  8 18:33:40 hanapaa sshd\[16355\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.116.149  user=root
Oct  8 18:33:42 hanapaa sshd\[16355\]: Failed password for root from 111.230.116.149 port 47830 ssh2
Oct  8 18:38:15 hanapaa sshd\[16737\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.116.149  user=root
Oct  8 18:38:17 hanapaa sshd\[16737\]: Failed password for root from 111.230.116.149 port 53308 ssh2
Oct  8 18:42:51 hanapaa sshd\[17222\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.116.149  user=root
2019-10-09 12:54:07
169.0.166.54 attack
May  6 01:50:38 server sshd\[136559\]: Invalid user www from 169.0.166.54
May  6 01:50:38 server sshd\[136559\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=169.0.166.54
May  6 01:50:41 server sshd\[136559\]: Failed password for invalid user www from 169.0.166.54 port 47265 ssh2
...
2019-10-09 12:52:06
170.80.225.115 attack
Jul 18 08:44:55 server sshd\[193457\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.80.225.115  user=root
Jul 18 08:44:58 server sshd\[193457\]: Failed password for root from 170.80.225.115 port 54627 ssh2
Jul 18 08:45:00 server sshd\[193457\]: Failed password for root from 170.80.225.115 port 54627 ssh2
...
2019-10-09 12:40:11
222.186.31.136 attackbotsspam
Oct  9 06:28:39 srv206 sshd[15465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.136  user=root
Oct  9 06:28:41 srv206 sshd[15465]: Failed password for root from 222.186.31.136 port 53556 ssh2
...
2019-10-09 12:36:07
157.157.77.168 attack
Oct  9 06:14:05 markkoudstaal sshd[13070]: Failed password for root from 157.157.77.168 port 65164 ssh2
Oct  9 06:18:01 markkoudstaal sshd[13395]: Failed password for root from 157.157.77.168 port 62921 ssh2
2019-10-09 12:23:47
94.230.135.178 attackspambots
" "
2019-10-09 12:55:57
49.88.112.90 attackbots
Oct  9 06:13:14 MK-Soft-Root2 sshd[8440]: Failed password for root from 49.88.112.90 port 46569 ssh2
Oct  9 06:13:16 MK-Soft-Root2 sshd[8440]: Failed password for root from 49.88.112.90 port 46569 ssh2
...
2019-10-09 12:18:28
203.125.145.58 attackspambots
Oct  5 06:31:27 xb3 sshd[20926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:31:29 xb3 sshd[20926]: Failed password for r.r from 203.125.145.58 port 45898 ssh2
Oct  5 06:31:29 xb3 sshd[20926]: Received disconnect from 203.125.145.58: 11: Bye Bye [preauth]
Oct  5 06:36:06 xb3 sshd[21157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:36:08 xb3 sshd[21157]: Failed password for r.r from 203.125.145.58 port 58332 ssh2
Oct  5 06:36:08 xb3 sshd[21157]: Received disconnect from 203.125.145.58: 11: Bye Bye [preauth]
Oct  5 06:40:48 xb3 sshd[21413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=r.r
Oct  5 06:40:50 xb3 sshd[21413]: Failed password for r.r from 203.125.145.58 port 42540 ssh2
Oct  5 06:40:50 xb3 sshd[21413]: Received disconnect from 203.125.145.58: 1........
-------------------------------
2019-10-09 12:48:08
199.87.154.255 attackbots
2019-10-09T04:47:32.366707abusebot.cloudsearch.cf sshd\[11369\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor.les.net  user=root
2019-10-09 12:50:52
87.98.238.106 attackspambots
2019-10-09T04:29:17.247389abusebot-6.cloudsearch.cf sshd\[6800\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.98.238.106  user=root
2019-10-09 12:50:18

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