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: China

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:
IP Type Details Datetime
81.70.21.113 attackspambots
(sshd) Failed SSH login from 81.70.21.113 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  8 22:27:23 server sshd[24400]: Invalid user rob from 81.70.21.113
Oct  8 22:27:23 server sshd[24400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113 
Oct  8 22:27:25 server sshd[24400]: Failed password for invalid user rob from 81.70.21.113 port 41866 ssh2
Oct  8 22:39:59 server sshd[26469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=root
Oct  8 22:40:01 server sshd[26469]: Failed password for root from 81.70.21.113 port 39022 ssh2
2020-10-09 05:52:12
81.70.21.113 attack
Oct  8 11:44:44 db sshd[20064]: User root from 81.70.21.113 not allowed because none of user's groups are listed in AllowGroups
...
2020-10-08 22:09:00
81.70.21.113 attackspam
Oct  8 04:09:35 marvibiene sshd[21743]: Failed password for root from 81.70.21.113 port 51680 ssh2
Oct  8 04:15:17 marvibiene sshd[22096]: Failed password for root from 81.70.21.113 port 57520 ssh2
2020-10-08 14:03:16
81.70.21.113 attackspambots
Aug 28 14:23:08 home sshd[2040220]: Invalid user ubuntu from 81.70.21.113 port 57788
Aug 28 14:23:08 home sshd[2040220]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113 
Aug 28 14:23:08 home sshd[2040220]: Invalid user ubuntu from 81.70.21.113 port 57788
Aug 28 14:23:10 home sshd[2040220]: Failed password for invalid user ubuntu from 81.70.21.113 port 57788 ssh2
Aug 28 14:25:21 home sshd[2040972]: Invalid user chn from 81.70.21.113 port 53578
...
2020-08-28 20:29:39
81.70.21.113 attackspambots
$f2bV_matches
2020-08-23 15:08:55
81.70.21.113 attack
Aug 21 03:56:31 *** sshd[3470]: User root from 81.70.21.113 not allowed because not listed in AllowUsers
2020-08-21 14:59:11
81.70.21.113 attackbotsspam
Aug 10 11:11:40 host sshd[7567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=r.r
Aug 10 11:11:42 host sshd[7567]: Failed password for r.r from 81.70.21.113 port 40580 ssh2
Aug 10 11:11:43 host sshd[7567]: Received disconnect from 81.70.21.113: 11: Bye Bye [preauth]
Aug 10 11:35:20 host sshd[21255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=r.r
Aug 10 11:35:22 host sshd[21255]: Failed password for r.r from 81.70.21.113 port 39350 ssh2
Aug 10 11:35:23 host sshd[21255]: Received disconnect from 81.70.21.113: 11: Bye Bye [preauth]
Aug 10 11:38:19 host sshd[30781]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=r.r
Aug 10 11:38:21 host sshd[30781]: Failed password for r.r from 81.70.21.113 port 52302 ssh2
Aug 10 11:38:22 host sshd[30781]: Received disconnect from 81.70.21.113: 11: Bye Bye [........
-------------------------------
2020-08-15 21:00:16
81.70.21.113 attackbotsspam
Aug  5 22:44:51 pl3server sshd[23951]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=r.r
Aug  5 22:44:53 pl3server sshd[23951]: Failed password for r.r from 81.70.21.113 port 42222 ssh2
Aug  5 22:44:53 pl3server sshd[23951]: Received disconnect from 81.70.21.113 port 42222:11: Bye Bye [preauth]
Aug  5 22:44:53 pl3server sshd[23951]: Disconnected from 81.70.21.113 port 42222 [preauth]
Aug  5 22:57:51 pl3server sshd[1619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.70.21.113  user=r.r
Aug  5 22:57:52 pl3server sshd[1619]: Failed password for r.r from 81.70.21.113 port 34890 ssh2
Aug  5 22:57:52 pl3server sshd[1619]: Received disconnect from 81.70.21.113 port 34890:11: Bye Bye [preauth]
Aug  5 22:57:52 pl3server sshd[1619]: Disconnected from 81.70.21.113 port 34890 [preauth]
Aug  5 23:04:13 pl3server sshd[6328]: pam_unix(sshd:auth): authentication failure; logname= ........
-------------------------------
2020-08-08 01:21:11
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 81.70.21.147
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37514
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;81.70.21.147.			IN	A

;; AUTHORITY SECTION:
.			243	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020702 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 08 09:38:11 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 147.21.70.81.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 147.21.70.81.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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2020-01-29 06:52:40
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2020-01-29 06:26:11
31.25.134.178 attackspam
Unauthorized connection attempt detected from IP address 31.25.134.178 to port 81 [J]
2020-01-29 06:54:06
103.249.180.81 attackspam
Unauthorized connection attempt detected from IP address 103.249.180.81 to port 8080 [J]
2020-01-29 06:46:35
14.170.213.141 attackspambots
Unauthorized connection attempt detected from IP address 14.170.213.141 to port 4567 [J]
2020-01-29 06:54:50
124.228.29.87 attack
Unauthorized connection attempt detected from IP address 124.228.29.87 to port 80 [J]
2020-01-29 06:40:16
124.88.113.101 attack
Unauthorized connection attempt detected from IP address 124.88.113.101 to port 8081 [J]
2020-01-29 06:41:18
111.224.235.254 attack
Unauthorized connection attempt detected from IP address 111.224.235.254 to port 8080 [J]
2020-01-29 06:43:33
101.89.147.85 attack
Invalid user brian from 101.89.147.85 port 38417
2020-01-29 06:47:19
47.110.147.84 attack
Unauthorized connection attempt detected from IP address 47.110.147.84 to port 7002 [J]
2020-01-29 06:51:05

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