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: Switzerland

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 <<>> 81.221.73.27
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63971
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;81.221.73.27.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022200 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 22 22:21:16 CST 2025
;; MSG SIZE  rcvd: 105
Host info
27.73.221.81.in-addr.arpa domain name pointer 27-73-221-81.pool.dsl-net.ch.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
27.73.221.81.in-addr.arpa	name = 27-73-221-81.pool.dsl-net.ch.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
216.218.206.97 attack
Port scan: Attack repeated for 24 hours
2020-10-14 01:00:06
46.32.252.149 attack
[N1.H1.VM1] Port Scanner Detected Blocked by UFW
2020-10-14 00:39:17
186.212.218.206 attackbotsspam
[Mon Oct 12 22:45:21 2020] IN=enp34s0 OUT= MAC=SERVERMAC SRC=186.212.218.206 DST=MYSERVERIP LEN=52 TOS=0x00 PREC=0x00 TTL=111 ID=2455 DF PROTO=TCP SPT=55086 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0 Ports: 445
2020-10-14 00:41:03
109.125.137.170 attackspambots
various type of attack
2020-10-14 01:13:10
161.35.170.145 attackbots
Lines containing failures of 161.35.170.145
Oct 12 22:41:45 kmh-mb-001 sshd[27590]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.170.145  user=r.r
Oct 12 22:41:47 kmh-mb-001 sshd[27590]: Failed password for r.r from 161.35.170.145 port 46862 ssh2
Oct 12 22:41:49 kmh-mb-001 sshd[27590]: Received disconnect from 161.35.170.145 port 46862:11: Bye Bye [preauth]
Oct 12 22:41:49 kmh-mb-001 sshd[27590]: Disconnected from authenticating user r.r 161.35.170.145 port 46862 [preauth]
Oct 12 22:46:58 kmh-mb-001 sshd[27793]: Invalid user m5 from 161.35.170.145 port 59870
Oct 12 22:46:58 kmh-mb-001 sshd[27793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=161.35.170.145 
Oct 12 22:47:00 kmh-mb-001 sshd[27793]: Failed password for invalid user m5 from 161.35.170.145 port 59870 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=161.35.170.145
2020-10-14 01:14:30
196.1.97.206 attackspambots
Fail2Ban Ban Triggered (2)
2020-10-14 00:55:42
139.255.86.19 attack
Unauthorized connection attempt detected from IP address 139.255.86.19 to port 445 [T]
2020-10-14 01:15:51
177.107.35.26 attackbotsspam
177.107.35.26 (BR/Brazil/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct 13 18:16:26 server sshd[25846]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.107.35.26  user=root
Oct 13 18:13:23 server sshd[25428]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.163.101.205  user=root
Oct 13 18:13:43 server sshd[25446]: Failed password for root from 186.121.204.10 port 35930 ssh2
Oct 13 18:13:25 server sshd[25428]: Failed password for root from 118.163.101.205 port 60234 ssh2
Oct 13 18:11:04 server sshd[25061]: Failed password for root from 106.12.205.108 port 38926 ssh2

IP Addresses Blocked:
2020-10-14 01:05:59
182.116.83.188 attackbots
Blocked by Sophos UTM Network Protection / proto=6  .  srcport=44855  .  dstport=8080  .     (2582)
2020-10-14 00:41:37
82.193.145.123 attackbotsspam
2020-10-13T19:05:49+0200 Failed SSH Authentication/Brute Force Attack. (Server 5)
2020-10-14 01:18:12
45.116.112.22 attackspam
Oct 13 19:45:08 ift sshd\[53464\]: Invalid user tony from 45.116.112.22Oct 13 19:45:11 ift sshd\[53464\]: Failed password for invalid user tony from 45.116.112.22 port 48876 ssh2Oct 13 19:49:24 ift sshd\[53867\]: Invalid user naoya from 45.116.112.22Oct 13 19:49:26 ift sshd\[53867\]: Failed password for invalid user naoya from 45.116.112.22 port 53784 ssh2Oct 13 19:53:31 ift sshd\[54614\]: Invalid user marci from 45.116.112.22
...
2020-10-14 01:13:40
185.220.101.209 attack
Hacking
2020-10-14 00:35:56
110.185.104.126 attack
Oct 13 18:51:05 rancher-0 sshd[463566]: Invalid user teamspeak3 from 110.185.104.126 port 45969
Oct 13 18:51:07 rancher-0 sshd[463566]: Failed password for invalid user teamspeak3 from 110.185.104.126 port 45969 ssh2
...
2020-10-14 01:06:51
182.119.249.17 attackbotsspam
Port probing on unauthorized port 23
2020-10-14 01:00:21
78.140.9.57 attackspam
TCP Port Scanning
2020-10-14 01:03:20

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