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: United States

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 <<>> 170.171.42.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13163
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;170.171.42.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025062701 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Jun 28 04:51:40 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.42.171.170.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.42.171.170.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
60.248.249.190 attack
60.248.249.190 - - [05/Oct/2020:12:17:14 +0100] "POST /wp-login.php HTTP/1.1" 200 6940 "http://rapidweightlosstools.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
60.248.249.190 - - [05/Oct/2020:12:17:15 +0100] "POST /wp-login.php HTTP/1.1" 200 6940 "http://rapidweightlosstools.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
60.248.249.190 - - [05/Oct/2020:12:17:16 +0100] "POST /wp-login.php HTTP/1.1" 200 6940 "http://rapidweightlosstools.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0"
...
2020-10-05 20:51:50
140.238.95.47 attackspam
[N1.H1.VM1] Bad Bot Blocked by UFW
2020-10-05 20:58:02
110.80.142.84 attackspam
20 attempts against mh-ssh on echoip
2020-10-05 21:13:40
120.196.181.230 attack
1433/tcp 1433/tcp 1433/tcp
[2020-09-29/10-04]3pkt
2020-10-05 20:59:46
122.165.149.75 attackspambots
2020-10-05T15:08:20.200379amanda2.illicoweb.com sshd\[26892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.165.149.75  user=root
2020-10-05T15:08:22.134409amanda2.illicoweb.com sshd\[26892\]: Failed password for root from 122.165.149.75 port 48180 ssh2
2020-10-05T15:13:04.943287amanda2.illicoweb.com sshd\[27128\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.165.149.75  user=root
2020-10-05T15:13:06.531192amanda2.illicoweb.com sshd\[27128\]: Failed password for root from 122.165.149.75 port 53976 ssh2
2020-10-05T15:17:51.956623amanda2.illicoweb.com sshd\[27459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.165.149.75  user=root
...
2020-10-05 21:20:26
112.85.42.231 attackbots
Oct  5 15:09:47 vps1 sshd[12462]: Failed none for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:09:47 vps1 sshd[12462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.231  user=root
Oct  5 15:09:49 vps1 sshd[12462]: Failed password for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:09:56 vps1 sshd[12462]: Failed password for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:10:01 vps1 sshd[12462]: Failed password for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:10:07 vps1 sshd[12462]: Failed password for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:10:12 vps1 sshd[12462]: Failed password for invalid user root from 112.85.42.231 port 55702 ssh2
Oct  5 15:10:12 vps1 sshd[12462]: error: maximum authentication attempts exceeded for invalid user root from 112.85.42.231 port 55702 ssh2 [preauth]
...
2020-10-05 21:15:36
62.210.177.248 attackspam
62.210.177.248 - - [05/Oct/2020:13:19:18 +0100] "POST //xmlrpc.php HTTP/1.1" 200 413 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
62.210.177.248 - - [05/Oct/2020:13:19:18 +0100] "POST //xmlrpc.php HTTP/1.1" 200 413 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
62.210.177.248 - - [05/Oct/2020:13:19:19 +0100] "POST //xmlrpc.php HTTP/1.1" 200 413 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36"
...
2020-10-05 21:02:11
31.16.207.18 attackbots
Oct  4 22:36:21 extapp sshd[18324]: Invalid user pi from 31.16.207.18
Oct  4 22:36:21 extapp sshd[18326]: Invalid user pi from 31.16.207.18
Oct  4 22:36:23 extapp sshd[18324]: Failed password for invalid user pi from 31.16.207.18 port 41230 ssh2
Oct  4 22:36:23 extapp sshd[18326]: Failed password for invalid user pi from 31.16.207.18 port 41244 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=31.16.207.18
2020-10-05 21:19:16
45.143.221.135 attack
ET SCAN Sipvicious Scan - port: 5060 proto: sip cat: Attempted Information Leakbytes: 456
2020-10-05 21:03:26
5.63.151.102 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-10-05 20:54:56
182.84.46.229 attackbotsspam
Found on   CINS badguys     / proto=6  .  srcport=44587  .  dstport=23 Telnet  .     (3558)
2020-10-05 20:59:18
45.141.84.35 attackspam
RDP Bruteforce
2020-10-05 21:04:54
190.160.57.66 attackbotsspam
23/tcp 37215/tcp
[2020-09-30/10-04]2pkt
2020-10-05 21:07:30
51.254.49.99 attackspam
 TCP (SYN) 51.254.49.99:63737 -> port 1521, len 60
2020-10-05 21:05:37
181.65.252.10 attack
$f2bV_matches
2020-10-05 21:19:38

Recently Reported IPs

118.134.162.114 50.176.214.144 129.6.11.29 135.145.39.227
63.2.34.41 53.45.203.86 110.249.60.76 150.50.137.179
153.95.191.158 133.138.154.49 40.245.196.55 111.197.230.73
8.63.175.184 3.18.186.75 34.180.183.197 120.218.125.1
8.145.62.218 150.88.2.218 48.244.93.120 36.250.235.222