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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.59.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4123
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.59.52.			IN	A

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

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:53:12 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 52.59.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.59.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.36.81.168 attackbots
2019-06-24T15:36:11.064694ns1.unifynetsol.net postfix/smtpd\[14523\]: warning: unknown\[185.36.81.168\]: SASL LOGIN authentication failed: authentication failure
2019-06-24T16:39:37.815211ns1.unifynetsol.net postfix/smtpd\[27783\]: warning: unknown\[185.36.81.168\]: SASL LOGIN authentication failed: authentication failure
2019-06-24T17:44:13.757871ns1.unifynetsol.net postfix/smtpd\[7038\]: warning: unknown\[185.36.81.168\]: SASL LOGIN authentication failed: authentication failure
2019-06-24T18:49:28.983604ns1.unifynetsol.net postfix/smtpd\[16902\]: warning: unknown\[185.36.81.168\]: SASL LOGIN authentication failed: authentication failure
2019-06-24T19:54:48.032153ns1.unifynetsol.net postfix/smtpd\[25287\]: warning: unknown\[185.36.81.168\]: SASL LOGIN authentication failed: authentication failure
2019-06-24 23:15:31
45.118.144.77 attack
WordPress login Brute force / Web App Attack on client site.
2019-06-24 23:13:31
51.68.174.177 attack
Jun 24 14:58:57 tux-35-217 sshd\[1859\]: Invalid user admin from 51.68.174.177 port 34958
Jun 24 14:58:57 tux-35-217 sshd\[1859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.174.177
Jun 24 14:58:59 tux-35-217 sshd\[1859\]: Failed password for invalid user admin from 51.68.174.177 port 34958 ssh2
Jun 24 15:02:25 tux-35-217 sshd\[1861\]: Invalid user stack from 51.68.174.177 port 44290
Jun 24 15:02:25 tux-35-217 sshd\[1861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.174.177
...
2019-06-24 22:44:47
211.159.152.252 attackbotsspam
Triggered by Fail2Ban at Vostok web server
2019-06-24 23:24:34
64.212.73.154 attackspam
SSH Brute-Force reported by Fail2Ban
2019-06-24 22:57:12
185.254.122.35 attackbots
Jun 24 12:06:03   TCP Attack: SRC=185.254.122.35 DST=[Masked] LEN=40 TOS=0x00 PREC=0x00 TTL=246  PROTO=TCP SPT=57369 DPT=25900 WINDOW=1024 RES=0x00 SYN URGP=0
2019-06-24 22:48:00
187.111.55.53 attack
mail.log:Jun 17 21:25:12 mail postfix/smtpd[3486]: warning: unknown[187.111.55.53]: SASL PLAIN authentication failed: authentication failure
2019-06-24 22:59:49
92.119.160.80 attack
Total attacks: 8
2019-06-24 23:31:20
50.121.219.206 attack
Unauthorised access (Jun 24) SRC=50.121.219.206 LEN=44 TTL=240 ID=16740 DF TCP DPT=23 WINDOW=14600 SYN
2019-06-24 23:10:48
190.7.146.165 attackbotsspam
fraudulent SSH attempt
2019-06-24 23:20:10
45.125.65.96 attackbots
Rude login attack (4 tries in 1d)
2019-06-24 23:37:17
36.68.128.182 attackspam
Unauthorised access (Jun 24) SRC=36.68.128.182 LEN=52 TTL=114 ID=7987 DF TCP DPT=445 WINDOW=8192 SYN
2019-06-24 23:02:30
117.86.76.120 attack
2019-06-24T13:57:00.198305 X postfix/smtpd[60116]: warning: unknown[117.86.76.120]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-24T14:24:43.100961 X postfix/smtpd[64266]: warning: unknown[117.86.76.120]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-24T14:52:53.392825 X postfix/smtpd[3394]: warning: unknown[117.86.76.120]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-24 23:41:20
49.66.133.140 attackspambots
20 attempts against mh-ssh on gold.magehost.pro
2019-06-24 23:38:28
177.128.143.217 attack
SMTP-sasl brute force
...
2019-06-24 22:59:15

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