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: Henan Telcom Union Technology Co. Ltd

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Aug  9 06:03:23 UTC__SANYALnet-Labs__cac14 sshd[12608]: Connection from 42.51.40.73 port 34918 on 64.137.176.112 port 22
Aug  9 06:03:27 UTC__SANYALnet-Labs__cac14 sshd[12608]: Address 42.51.40.73 maps to idc.ly.ha, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Aug  9 06:03:27 UTC__SANYALnet-Labs__cac14 sshd[12608]: User r.r from 42.51.40.73 not allowed because not listed in AllowUsers
Aug  9 06:03:27 UTC__SANYALnet-Labs__cac14 sshd[12608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.40.73  user=r.r
Aug  9 06:03:29 UTC__SANYALnet-Labs__cac14 sshd[12608]: Failed password for invalid user r.r from 42.51.40.73 port 34918 ssh2
Aug  9 06:03:29 UTC__SANYALnet-Labs__cac14 sshd[12608]: Received disconnect from 42.51.40.73: 11: Bye Bye [preauth]
Aug  9 06:06:16 UTC__SANYALnet-Labs__cac14 sshd[12670]: Connection from 42.51.40.73 port 56588 on 64.137.176.112 port 22
Aug  9 06:06:18 UTC__SANYALnet-Labs__cac1........
-------------------------------
2020-08-10 07:22:53
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.51.40.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53849
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			331	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020080901 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Aug 10 07:22:50 CST 2020
;; MSG SIZE  rcvd: 115
Host info
73.40.51.42.in-addr.arpa domain name pointer idc.ly.ha.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
73.40.51.42.in-addr.arpa	name = idc.ly.ha.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
106.12.46.23 attack
Jun 17 08:20:25 piServer sshd[17468]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.46.23 
Jun 17 08:20:27 piServer sshd[17468]: Failed password for invalid user gir from 106.12.46.23 port 18015 ssh2
Jun 17 08:23:37 piServer sshd[17729]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.46.23 
...
2020-06-17 15:15:58
60.199.131.62 attackbots
2020-06-17T04:46:32.493310shield sshd\[5523\]: Invalid user all from 60.199.131.62 port 38270
2020-06-17T04:46:32.496990shield sshd\[5523\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60-199-131-62.static.tfn.net.tw
2020-06-17T04:46:34.458310shield sshd\[5523\]: Failed password for invalid user all from 60.199.131.62 port 38270 ssh2
2020-06-17T04:50:12.407583shield sshd\[6108\]: Invalid user search from 60.199.131.62 port 37758
2020-06-17T04:50:12.411409shield sshd\[6108\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60-199-131-62.static.tfn.net.tw
2020-06-17 15:23:19
222.186.30.218 attackspam
Jun 17 09:17:18 v22018053744266470 sshd[2094]: Failed password for root from 222.186.30.218 port 29271 ssh2
Jun 17 09:17:30 v22018053744266470 sshd[2105]: Failed password for root from 222.186.30.218 port 45528 ssh2
...
2020-06-17 15:23:48
125.19.153.156 attackspam
Jun 17 02:40:18 ny01 sshd[4148]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.19.153.156
Jun 17 02:40:20 ny01 sshd[4148]: Failed password for invalid user admin from 125.19.153.156 port 50094 ssh2
Jun 17 02:46:52 ny01 sshd[4932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.19.153.156
2020-06-17 15:03:26
139.59.129.45 attackbotsspam
2020-06-17T07:10:28+0200 Failed SSH Authentication/Brute Force Attack.(Server 2)
2020-06-17 15:00:17
167.114.103.140 attackbots
Jun 17 07:41:07 legacy sshd[30663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.103.140
Jun 17 07:41:09 legacy sshd[30663]: Failed password for invalid user 123456 from 167.114.103.140 port 59918 ssh2
Jun 17 07:44:22 legacy sshd[30775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.103.140
...
2020-06-17 14:59:26
222.186.175.150 attackspam
2020-06-17T09:09:29.247571vps751288.ovh.net sshd\[2970\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.150  user=root
2020-06-17T09:09:30.678171vps751288.ovh.net sshd\[2970\]: Failed password for root from 222.186.175.150 port 45572 ssh2
2020-06-17T09:09:34.343288vps751288.ovh.net sshd\[2970\]: Failed password for root from 222.186.175.150 port 45572 ssh2
2020-06-17T09:09:37.225111vps751288.ovh.net sshd\[2970\]: Failed password for root from 222.186.175.150 port 45572 ssh2
2020-06-17T09:09:40.518081vps751288.ovh.net sshd\[2970\]: Failed password for root from 222.186.175.150 port 45572 ssh2
2020-06-17 15:17:33
95.213.251.133 attackspambots
Web form spam
2020-06-17 15:12:59
151.106.48.100 attack
Jun 17 09:04:17 web1 sshd\[7459\]: Invalid user agp from 151.106.48.100
Jun 17 09:04:17 web1 sshd\[7459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.106.48.100
Jun 17 09:04:19 web1 sshd\[7459\]: Failed password for invalid user agp from 151.106.48.100 port 9864 ssh2
Jun 17 09:07:23 web1 sshd\[7609\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.106.48.100  user=root
Jun 17 09:07:26 web1 sshd\[7609\]: Failed password for root from 151.106.48.100 port 4806 ssh2
2020-06-17 15:16:43
104.236.228.230 attack
Jun 17 08:16:10 gestao sshd[13656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.228.230 
Jun 17 08:16:13 gestao sshd[13656]: Failed password for invalid user administrator from 104.236.228.230 port 45696 ssh2
Jun 17 08:20:26 gestao sshd[13771]: Failed password for root from 104.236.228.230 port 45864 ssh2
...
2020-06-17 15:21:37
94.177.229.123 attack
2020-06-17T05:52:27+02:00  exim[13805]: fixed_login authenticator failed for (USER) [94.177.229.123]: 535 Incorrect authentication data (set_id=info@domonkos.co.uk)
2020-06-17 15:25:32
46.38.145.253 attackspam
Jun 17 08:53:05 relay postfix/smtpd\[20902\]: warning: unknown\[46.38.145.253\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 08:54:13 relay postfix/smtpd\[3283\]: warning: unknown\[46.38.145.253\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 08:54:43 relay postfix/smtpd\[14481\]: warning: unknown\[46.38.145.253\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 08:55:53 relay postfix/smtpd\[16651\]: warning: unknown\[46.38.145.253\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 08:56:16 relay postfix/smtpd\[20898\]: warning: unknown\[46.38.145.253\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-17 15:03:53
113.172.235.69 attack
Icarus honeypot on github
2020-06-17 15:05:26
46.38.150.142 attackbotsspam
Jun 17 08:58:33 v22019058497090703 postfix/smtpd[19481]: warning: unknown[46.38.150.142]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 08:59:24 v22019058497090703 postfix/smtpd[26711]: warning: unknown[46.38.150.142]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 17 09:00:15 v22019058497090703 postfix/smtpd[19481]: warning: unknown[46.38.150.142]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-17 15:05:09
189.89.233.82 attack
20/6/16@23:53:43: FAIL: Alarm-Network address from=189.89.233.82
20/6/16@23:53:43: FAIL: Alarm-Network address from=189.89.233.82
...
2020-06-17 14:58:57

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