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 of America (the)

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 <<>> 68.51.21.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57266
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;68.51.21.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 71 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 21:01:13 CST 2025
;; MSG SIZE  rcvd: 104
Host info
21.21.51.68.in-addr.arpa domain name pointer c-68-51-21-21.hsd1.in.comcast.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.21.51.68.in-addr.arpa	name = c-68-51-21-21.hsd1.in.comcast.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
201.151.180.93 attackspam
1581860958 - 02/16/2020 14:49:18 Host: 201.151.180.93/201.151.180.93 Port: 445 TCP Blocked
2020-02-17 00:09:40
77.40.2.123 attackbotsspam
$f2bV_matches
2020-02-16 23:46:19
80.68.89.30 attackspambots
Automatic report - XMLRPC Attack
2020-02-17 00:11:14
93.174.93.195 attack
firewall-block, port(s): 41009/udp, 41010/udp, 41011/udp
2020-02-17 00:16:25
92.118.38.41 attackspambots
2020-02-16 16:57:16 dovecot_login authenticator failed for \(User\) \[92.118.38.41\]: 535 Incorrect authentication data \(set_id=uncredited@no-server.de\)
2020-02-16 16:57:32 dovecot_login authenticator failed for \(User\) \[92.118.38.41\]: 535 Incorrect authentication data \(set_id=earls@no-server.de\)
2020-02-16 16:57:37 dovecot_login authenticator failed for \(User\) \[92.118.38.41\]: 535 Incorrect authentication data \(set_id=earls@no-server.de\)
2020-02-16 16:57:38 dovecot_login authenticator failed for \(User\) \[92.118.38.41\]: 535 Incorrect authentication data \(set_id=earls@no-server.de\)
2020-02-16 16:57:47 dovecot_login authenticator failed for \(User\) \[92.118.38.41\]: 535 Incorrect authentication data \(set_id=earls@no-server.de\)
...
2020-02-16 23:58:46
115.112.61.218 attackbots
Feb 16 16:02:29 lnxded64 sshd[509]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.112.61.218
Feb 16 16:02:29 lnxded64 sshd[509]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.112.61.218
2020-02-16 23:54:34
138.219.26.39 attack
Feb 16 14:49:27 debian-2gb-nbg1-2 kernel: \[4120187.992940\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=138.219.26.39 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=239 ID=44352 DF PROTO=TCP SPT=5101 DPT=8080 WINDOW=14600 RES=0x00 SYN URGP=0
2020-02-16 23:58:12
60.248.118.166 attack
firewall-block, port(s): 23/tcp
2020-02-17 00:23:13
188.95.77.74 attackspambots
Feb 16 14:40:40 minden010 sshd[1091]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.95.77.74
Feb 16 14:40:42 minden010 sshd[1091]: Failed password for invalid user user1 from 188.95.77.74 port 56623 ssh2
Feb 16 14:48:57 minden010 sshd[5634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.95.77.74
...
2020-02-17 00:25:14
185.11.69.73 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-17 00:24:58
192.99.175.182 attack
Automatic report - Banned IP Access
2020-02-16 23:41:54
222.186.30.167 attack
Feb 16 16:43:40 MK-Soft-VM7 sshd[19564]: Failed password for root from 222.186.30.167 port 59847 ssh2
Feb 16 16:43:43 MK-Soft-VM7 sshd[19564]: Failed password for root from 222.186.30.167 port 59847 ssh2
...
2020-02-16 23:47:25
142.93.39.29 attackspam
Feb 16 15:08:39 hcbbdb sshd\[23776\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.39.29  user=root
Feb 16 15:08:41 hcbbdb sshd\[23776\]: Failed password for root from 142.93.39.29 port 44992 ssh2
Feb 16 15:12:05 hcbbdb sshd\[24110\]: Invalid user user from 142.93.39.29
Feb 16 15:12:05 hcbbdb sshd\[24110\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.39.29
Feb 16 15:12:06 hcbbdb sshd\[24110\]: Failed password for invalid user user from 142.93.39.29 port 46764 ssh2
2020-02-17 00:02:01
185.36.81.57 attackspambots
Rude login attack (15 tries in 1d)
2020-02-16 23:55:48
185.216.140.252 attack
02/16/2020-10:53:26.674282 185.216.140.252 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-02-17 00:08:05

Recently Reported IPs

101.111.244.171 206.32.159.225 141.114.83.149 196.221.136.14
39.76.185.195 159.219.218.65 166.37.68.79 174.229.83.232
69.152.185.172 203.178.169.185 239.210.255.50 231.190.106.34
250.157.73.232 42.108.117.63 6.155.25.93 54.64.74.244
120.93.216.211 19.161.196.255 19.128.57.129 226.176.226.67