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: France

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.21.16.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22581
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.21.16.42.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012900 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 29 14:25:40 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 42.16.21.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.16.21.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.235.52.41 attack
Invalid user juliana from 37.235.52.41 port 48692
2020-09-27 04:05:22
205.185.121.13 attackbots
TCP ports : 888 / 3389; UDP port : 1900
2020-09-27 04:03:18
185.191.171.34 attackspambots
Malicious Traffic/Form Submission
2020-09-27 04:06:48
64.64.239.39 attackspam
Invalid user jenkins from 64.64.239.39 port 60564
2020-09-27 04:07:56
1.53.210.72 attackbots
2020-05-14T19:40:28.968515suse-nuc sshd[16381]: Invalid user nagesh from 1.53.210.72 port 56520
...
2020-09-27 04:15:26
122.51.125.71 attack
(sshd) Failed SSH login from 122.51.125.71 (CN/China/-): 5 in the last 3600 secs
2020-09-27 03:53:08
34.106.199.158 attackbots
34.106.199.158 - - [26/Sep/2020:09:53:38 +0100] "POST /wp-login.php HTTP/1.1" 200 2591 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
34.106.199.158 - - [26/Sep/2020:09:53:39 +0100] "POST /wp-login.php HTTP/1.1" 200 2570 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
34.106.199.158 - - [26/Sep/2020:09:53:40 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-09-27 04:10:40
184.69.185.187 attackspam
Icarus honeypot on github
2020-09-27 04:19:45
1.53.129.193 attack
2020-01-31T04:39:47.517077suse-nuc sshd[12178]: Invalid user tets from 1.53.129.193 port 56675
...
2020-09-27 04:18:14
1.34.220.237 attackspambots
2019-12-21T22:16:06.363331suse-nuc sshd[10779]: Invalid user rathnakumar from 1.34.220.237 port 51146
...
2020-09-27 04:24:56
209.45.48.28 attackbots
Invalid user user01 from 209.45.48.28 port 40996
2020-09-27 03:56:19
47.57.184.253 attackbotsspam
ET CINS Active Threat Intelligence Poor Reputation IP group 31 - port: 20761 proto: tcp cat: Misc Attackbytes: 60
2020-09-27 04:14:22
106.13.39.56 attack
Sep 26 15:07:45 firewall sshd[32580]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.39.56
Sep 26 15:07:45 firewall sshd[32580]: Invalid user sami from 106.13.39.56
Sep 26 15:07:46 firewall sshd[32580]: Failed password for invalid user sami from 106.13.39.56 port 52074 ssh2
...
2020-09-27 03:59:00
188.166.251.15 attackspam
Listed on    abuseat.org plus zen-spamhaus   / proto=6  .  srcport=52253  .  dstport=445  .     (3563)
2020-09-27 04:24:39
200.73.128.148 attackspam
Invalid user allan from 200.73.128.148 port 55686
2020-09-27 04:05:48

Recently Reported IPs

124.105.228.239 169.137.63.50 179.180.223.125 204.230.236.159
177.75.121.117 223.189.183.10 175.252.80.10 124.222.73.189
229.254.89.175 91.234.89.219 217.93.47.98 109.207.83.100
34.170.163.124 78.124.234.206 175.171.241.33 38.209.110.221
38.209.57.34 108.13.18.106 187.34.46.170 65.192.17.141