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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 21.207.242.153
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30266
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.207.242.153.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012200 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 22 18:15:54 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 153.242.207.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 153.242.207.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
123.24.77.197 attackbotsspam
445/tcp
[2019-07-24]1pkt
2019-07-25 05:47:28
14.98.22.30 attackbotsspam
Jul 24 16:28:17 localhost sshd\[61444\]: Invalid user test from 14.98.22.30 port 43405
Jul 24 16:28:17 localhost sshd\[61444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.98.22.30
Jul 24 16:28:19 localhost sshd\[61444\]: Failed password for invalid user test from 14.98.22.30 port 43405 ssh2
Jul 24 16:39:37 localhost sshd\[61846\]: Invalid user username from 14.98.22.30 port 39935
Jul 24 16:39:37 localhost sshd\[61846\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.98.22.30
...
2019-07-25 06:02:37
170.130.187.2 attack
Honeypot hit.
2019-07-25 05:22:44
45.13.39.167 attackbotsspam
Jul 24 23:21:37 mail postfix/smtpd\[26415\]: warning: unknown\[45.13.39.167\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 24 23:52:09 mail postfix/smtpd\[27633\]: warning: unknown\[45.13.39.167\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 24 23:52:44 mail postfix/smtpd\[28095\]: warning: unknown\[45.13.39.167\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 24 23:53:22 mail postfix/smtpd\[28113\]: warning: unknown\[45.13.39.167\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-07-25 05:52:05
124.195.168.82 attackbots
34567/tcp
[2019-07-24]1pkt
2019-07-25 05:18:27
198.108.66.124 attackbots
firewall-block, port(s): 8883/tcp
2019-07-25 05:40:11
125.64.94.221 attackbotsspam
firewall-block, port(s): 15002/tcp
2019-07-25 05:47:43
205.185.121.52 attack
ZTE Router Exploit Scanner
2019-07-25 05:54:10
27.66.127.191 attackspambots
2019-07-24T12:41:02.603735stt-1.[munged] kernel: [8018080.141307] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=27.66.127.191 DST=[mungedIP1] LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=27164 DF PROTO=TCP SPT=53318 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0 
2019-07-24T12:41:05.648756stt-1.[munged] kernel: [8018083.186327] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=27.66.127.191 DST=[mungedIP1] LEN=52 TOS=0x00 PREC=0x00 TTL=112 ID=27386 DF PROTO=TCP SPT=53318 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0 
2019-07-24T12:41:11.732241stt-1.[munged] kernel: [8018089.269797] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=27.66.127.191 DST=[mungedIP1] LEN=48 TOS=0x00 PREC=0x00 TTL=112 ID=28163 DF PROTO=TCP SPT=53318 DPT=445 WINDOW=8192 RES=0x00 SYN URGP=0
2019-07-25 05:36:42
114.239.164.196 attackbots
23/tcp
[2019-07-24]1pkt
2019-07-25 05:33:01
185.254.122.101 attackbots
24.07.2019 20:09:11 Connection to port 37394 blocked by firewall
2019-07-25 05:19:57
186.226.224.103 attack
NOQUEUE: reject: RCPT from unknown\[186.226.224.103\]: 554 5.7.1 Service unavailable\; host \[186.226.224.103\] blocked using sbl-xbl.spamhaus.org\; https://www.spamhaus.org/sbl/query/SBLCSS
2019-07-25 05:55:12
185.176.27.86 attackbotsspam
24.07.2019 19:44:36 Connection to port 8889 blocked by firewall
2019-07-25 05:18:03
185.8.176.2 attackspam
Mail sent to address obtained from MySpace hack
2019-07-25 05:42:55
104.248.49.171 attackspam
Jul 24 17:16:32 plusreed sshd[28561]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.49.171  user=root
Jul 24 17:16:34 plusreed sshd[28561]: Failed password for root from 104.248.49.171 port 49296 ssh2
...
2019-07-25 05:21:11

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