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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.135.173.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18637
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.135.173.21.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020602 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 06:21:45 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.173.135.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.173.135.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.40.2.104 attackspambots
proto=tcp  .  spt=19565  .  dpt=25  .     Found on   Blocklist de       (274)
2020-04-28 20:43:44
112.85.42.178 attack
Apr 28 14:26:13 mail sshd[30042]: Failed password for root from 112.85.42.178 port 27550 ssh2
Apr 28 14:26:17 mail sshd[30042]: Failed password for root from 112.85.42.178 port 27550 ssh2
Apr 28 14:26:20 mail sshd[30042]: Failed password for root from 112.85.42.178 port 27550 ssh2
Apr 28 14:26:23 mail sshd[30042]: Failed password for root from 112.85.42.178 port 27550 ssh2
2020-04-28 20:28:07
111.230.248.93 attack
Unauthorised connection attempt detected at AUO NODE 1. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-04-28 20:32:29
222.186.180.142 attack
Apr 28 14:34:49 mail sshd[31671]: Failed password for root from 222.186.180.142 port 63157 ssh2
Apr 28 14:34:51 mail sshd[31671]: Failed password for root from 222.186.180.142 port 63157 ssh2
Apr 28 14:34:54 mail sshd[31671]: Failed password for root from 222.186.180.142 port 63157 ssh2
2020-04-28 20:36:10
222.186.175.151 attack
Apr 28 19:45:10 webhost01 sshd[19080]: Failed password for root from 222.186.175.151 port 49534 ssh2
Apr 28 19:45:24 webhost01 sshd[19080]: error: maximum authentication attempts exceeded for root from 222.186.175.151 port 49534 ssh2 [preauth]
...
2020-04-28 20:47:50
103.79.177.192 attackspambots
2020-04-28T12:18:43.175729abusebot-2.cloudsearch.cf sshd[20788]: Invalid user diego from 103.79.177.192 port 36754
2020-04-28T12:18:43.182174abusebot-2.cloudsearch.cf sshd[20788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.177.192
2020-04-28T12:18:43.175729abusebot-2.cloudsearch.cf sshd[20788]: Invalid user diego from 103.79.177.192 port 36754
2020-04-28T12:18:45.330063abusebot-2.cloudsearch.cf sshd[20788]: Failed password for invalid user diego from 103.79.177.192 port 36754 ssh2
2020-04-28T12:26:29.186363abusebot-2.cloudsearch.cf sshd[20830]: Invalid user nagios from 103.79.177.192 port 39188
2020-04-28T12:26:29.192963abusebot-2.cloudsearch.cf sshd[20830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.177.192
2020-04-28T12:26:29.186363abusebot-2.cloudsearch.cf sshd[20830]: Invalid user nagios from 103.79.177.192 port 39188
2020-04-28T12:26:30.979847abusebot-2.cloudsearch.cf sshd[20830
...
2020-04-28 20:39:43
118.172.217.202 attackbotsspam
Unauthorized connection attempt from IP address 118.172.217.202 on Port 445(SMB)
2020-04-28 20:08:52
119.160.118.35 attack
Honeypot attack, port: 445, PTR: host-35-net-118-160-119.mobilinkinfinity.net.pk.
2020-04-28 20:22:32
158.69.192.35 attack
...
2020-04-28 20:17:56
203.92.113.188 attackbots
Apr 28 14:44:51 OPSO sshd\[20827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.92.113.188  user=root
Apr 28 14:44:54 OPSO sshd\[20827\]: Failed password for root from 203.92.113.188 port 48876 ssh2
Apr 28 14:49:16 OPSO sshd\[21476\]: Invalid user support from 203.92.113.188 port 60924
Apr 28 14:49:16 OPSO sshd\[21476\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.92.113.188
Apr 28 14:49:18 OPSO sshd\[21476\]: Failed password for invalid user support from 203.92.113.188 port 60924 ssh2
2020-04-28 20:50:26
197.50.83.226 attackspambots
23/tcp 23/tcp 23/tcp...
[2020-02-28/04-28]6pkt,1pt.(tcp)
2020-04-28 20:08:15
49.234.56.65 attackbots
2020-04-28T02:41:54.185426linuxbox-skyline sshd[13768]: Invalid user deborah from 49.234.56.65 port 49990
...
2020-04-28 20:09:54
14.182.73.40 attack
Unauthorized connection attempt from IP address 14.182.73.40 on Port 445(SMB)
2020-04-28 20:23:17
85.93.20.30 attackbotsspam
2 attempts against mh-modsecurity-ban on milky
2020-04-28 20:24:51
132.148.104.150 attackspam
Automatic report - XMLRPC Attack
2020-04-28 20:23:37

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