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 <<>> 21.102.57.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59152
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.102.57.71.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022703 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 28 09:44:58 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 71.57.102.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 71.57.102.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
219.250.188.219 attackbotsspam
May  4 08:44:11 vps647732 sshd[7053]: Failed password for root from 219.250.188.219 port 49785 ssh2
...
2020-05-04 14:53:30
173.23.22.39 attackspambots
May  4 06:52:10 lukav-desktop sshd\[30042\]: Invalid user xzy from 173.23.22.39
May  4 06:52:10 lukav-desktop sshd\[30042\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.23.22.39
May  4 06:52:13 lukav-desktop sshd\[30042\]: Failed password for invalid user xzy from 173.23.22.39 port 45068 ssh2
May  4 06:55:14 lukav-desktop sshd\[921\]: Invalid user admin from 173.23.22.39
May  4 06:55:14 lukav-desktop sshd\[921\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.23.22.39
2020-05-04 15:14:30
164.132.46.14 attackspam
20 attempts against mh-ssh on echoip
2020-05-04 15:09:43
148.70.34.160 attack
May  4 07:46:28 meumeu sshd[2924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.34.160 
May  4 07:46:30 meumeu sshd[2924]: Failed password for invalid user hung from 148.70.34.160 port 39858 ssh2
May  4 07:51:41 meumeu sshd[3773]: Failed password for root from 148.70.34.160 port 46786 ssh2
...
2020-05-04 15:17:01
51.75.18.65 attack
$f2bV_matches
2020-05-04 15:03:13
49.88.112.70 attackspam
2020-05-04T05:03:46.613143shield sshd\[23716\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.70  user=root
2020-05-04T05:03:46.890665shield sshd\[23718\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.70  user=root
2020-05-04T05:03:49.052496shield sshd\[23716\]: Failed password for root from 49.88.112.70 port 36937 ssh2
2020-05-04T05:03:49.329982shield sshd\[23718\]: Failed password for root from 49.88.112.70 port 27819 ssh2
2020-05-04T05:03:51.139571shield sshd\[23716\]: Failed password for root from 49.88.112.70 port 36937 ssh2
2020-05-04 14:52:30
209.126.119.148 attack
2020-05-04T05:43:01.409228shield sshd\[31151\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=condor1881.startdedicated.com  user=root
2020-05-04T05:43:03.489211shield sshd\[31151\]: Failed password for root from 209.126.119.148 port 49911 ssh2
2020-05-04T05:46:42.130940shield sshd\[31754\]: Invalid user bob from 209.126.119.148 port 56312
2020-05-04T05:46:42.134490shield sshd\[31754\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=condor1881.startdedicated.com
2020-05-04T05:46:44.551006shield sshd\[31754\]: Failed password for invalid user bob from 209.126.119.148 port 56312 ssh2
2020-05-04 15:21:56
112.224.17.23 attackbots
05/03/2020-23:54:48.075623 112.224.17.23 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-05-04 15:38:26
222.186.175.216 attackbots
May  4 08:57:20 santamaria sshd\[2648\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.216  user=root
May  4 08:57:21 santamaria sshd\[2648\]: Failed password for root from 222.186.175.216 port 8268 ssh2
May  4 08:57:33 santamaria sshd\[2648\]: Failed password for root from 222.186.175.216 port 8268 ssh2
...
2020-05-04 15:12:32
52.169.250.13 attackbotsspam
20 attempts against mh-ssh on grain
2020-05-04 15:15:35
87.251.74.64 attack
Triggered: repeated knocking on closed ports.
2020-05-04 15:34:44
185.50.149.9 attack
2020-05-04 08:39:59 dovecot_login authenticator failed for \(\[185.50.149.9\]\) \[185.50.149.9\]: 535 Incorrect authentication data \(set_id=ssl@nophost.com\)
2020-05-04 08:40:08 dovecot_login authenticator failed for \(\[185.50.149.9\]\) \[185.50.149.9\]: 535 Incorrect authentication data
2020-05-04 08:40:19 dovecot_login authenticator failed for \(\[185.50.149.9\]\) \[185.50.149.9\]: 535 Incorrect authentication data
2020-05-04 08:40:25 dovecot_login authenticator failed for \(\[185.50.149.9\]\) \[185.50.149.9\]: 535 Incorrect authentication data
2020-05-04 08:40:38 dovecot_login authenticator failed for \(\[185.50.149.9\]\) \[185.50.149.9\]: 535 Incorrect authentication data
2020-05-04 14:52:16
5.188.206.34 attack
May  4 09:29:57 mail kernel: [583015.725441] [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=5.188.206.34 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=48064 PROTO=TCP SPT=59126 DPT=8612 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2020-05-04 15:35:47
41.138.87.199 attack
20/5/3@23:55:33: FAIL: Alarm-Telnet address from=41.138.87.199
...
2020-05-04 15:01:25
157.230.153.75 attack
2020-05-04T08:00:49.183192sd-86998 sshd[34229]: Invalid user zwj from 157.230.153.75 port 35839
2020-05-04T08:00:49.188077sd-86998 sshd[34229]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.153.75
2020-05-04T08:00:49.183192sd-86998 sshd[34229]: Invalid user zwj from 157.230.153.75 port 35839
2020-05-04T08:00:51.546592sd-86998 sshd[34229]: Failed password for invalid user zwj from 157.230.153.75 port 35839 ssh2
2020-05-04T08:04:55.272656sd-86998 sshd[34786]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.153.75  user=root
2020-05-04T08:04:57.068521sd-86998 sshd[34786]: Failed password for root from 157.230.153.75 port 40787 ssh2
...
2020-05-04 15:05:55

Recently Reported IPs

165.146.189.137 151.152.158.236 52.170.224.94 169.154.188.249
234.118.195.75 42.173.1.65 163.253.48.41 69.140.176.45
36.93.244.166 253.119.2.75 205.10.197.12 181.23.157.170
22.126.227.144 205.144.27.170 41.198.168.21 87.237.156.198
181.89.186.172 125.82.183.207 237.213.15.40 143.66.123.248