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: None

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 <<>> 104.21.53.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61030
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.253.			IN	A

;; AUTHORITY SECTION:
.			351	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:00:24 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 253.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.133.248.121 attackbots
none
2020-02-13 18:59:22
220.132.0.42 attack
Unauthorised access (Feb 13) SRC=220.132.0.42 LEN=40 TTL=45 ID=21868 TCP DPT=23 WINDOW=52930 SYN
2020-02-13 18:53:06
45.136.108.66 attackbotsspam
port scan and connect, tcp 119 (nntp)
2020-02-13 18:35:39
221.121.156.49 attackspam
SSH authentication failure x 6 reported by Fail2Ban
...
2020-02-13 18:30:47
112.17.190.29 attackspam
2020-02-13T05:37:46.389960struts4.enskede.local sshd\[19697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.17.190.29  user=root
2020-02-13T05:37:50.665130struts4.enskede.local sshd\[19697\]: Failed password for root from 112.17.190.29 port 14006 ssh2
2020-02-13T05:42:11.191996struts4.enskede.local sshd\[19718\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.17.190.29  user=root
2020-02-13T05:42:15.037948struts4.enskede.local sshd\[19718\]: Failed password for root from 112.17.190.29 port 22811 ssh2
2020-02-13T05:46:34.670831struts4.enskede.local sshd\[19743\]: Invalid user morgan from 112.17.190.29 port 31616
...
2020-02-13 19:08:20
152.32.170.248 attackbotsspam
Invalid user ruthart from 152.32.170.248 port 46950
2020-02-13 18:18:09
128.199.142.148 attackspam
Feb 13 04:45:37 web8 sshd\[32015\]: Invalid user cemergen from 128.199.142.148
Feb 13 04:45:37 web8 sshd\[32015\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.142.148
Feb 13 04:45:39 web8 sshd\[32015\]: Failed password for invalid user cemergen from 128.199.142.148 port 38512 ssh2
Feb 13 04:48:18 web8 sshd\[974\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.142.148  user=root
Feb 13 04:48:20 web8 sshd\[974\]: Failed password for root from 128.199.142.148 port 50500 ssh2
2020-02-13 18:35:07
94.191.120.164 attackbots
Invalid user rieko from 94.191.120.164 port 55250
2020-02-13 18:59:36
181.48.240.10 attackspam
Feb 13 05:47:38 MK-Soft-Root2 sshd[15992]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.240.10 
Feb 13 05:47:40 MK-Soft-Root2 sshd[15992]: Failed password for invalid user tinydns from 181.48.240.10 port 38684 ssh2
...
2020-02-13 19:03:05
189.195.41.134 attackbots
Feb 13 08:22:39 ks10 sshd[150029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.195.41.134 
Feb 13 08:22:41 ks10 sshd[150029]: Failed password for invalid user admin from 189.195.41.134 port 45640 ssh2
...
2020-02-13 18:57:28
37.59.99.243 attack
Invalid user urchin from 37.59.99.243 port 12261
2020-02-13 18:47:25
116.110.64.34 attackbotsspam
1581569308 - 02/13/2020 05:48:28 Host: 116.110.64.34/116.110.64.34 Port: 445 TCP Blocked
2020-02-13 18:28:49
52.171.214.61 attackbots
Feb 13 05:47:39 vmd46246 kernel: [5480672.069762] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:fb:88:28:99:3a:4d:23:91:08:00 SRC=52.171.214.61 DST=144.91.112.181 LEN=60 TOS=0x00 PREC=0x00 TTL=54 ID=39905 DF PROTO=TCP SPT=52242 DPT=25503 WINDOW=64240 RES=0x00 SYN URGP=0 
Feb 13 05:47:39 vmd46246 kernel: [5480672.069830] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:fb:88:28:99:3a:4d:23:91:08:00 SRC=52.171.214.61 DST=144.91.112.181 LEN=60 TOS=0x00 PREC=0x00 TTL=51 ID=4949 DF PROTO=TCP SPT=46112 DPT=25505 WINDOW=64240 RES=0x00 SYN URGP=0 
Feb 13 05:47:39 vmd46246 kernel: [5480672.069847] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:fb:88:28:99:3a:4d:23:91:08:00 SRC=52.171.214.61 DST=144.91.112.181 LEN=60 TOS=0x00 PREC=0x00 TTL=54 ID=35303 DF PROTO=TCP SPT=36862 DPT=25502 WINDOW=64240 RES=0x00 SYN URGP=0 
Feb 13 05:47:39 vmd46246 kernel: [5480672.069862] [UFW BLOCK] IN=eth0 OUT= MAC=00:50:56:3e:fb:88:28:99:3a:4d:23:91:08:00 SRC=52.171.214.61 DST=144.91.112.181 LEN=60 TOS=0x00 PREC=0x00 TTL=51 ID=28202 
...
2020-02-13 19:04:00
112.78.4.147 attack
Automatically reported by fail2ban report script (mx1)
2020-02-13 18:55:26
112.35.26.43 attackbots
Feb 13 04:03:41 firewall sshd[27094]: Invalid user tecnofrota_teste from 112.35.26.43
Feb 13 04:03:43 firewall sshd[27094]: Failed password for invalid user tecnofrota_teste from 112.35.26.43 port 42914 ssh2
Feb 13 04:11:38 firewall sshd[27366]: Invalid user aoyule from 112.35.26.43
...
2020-02-13 18:31:56

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