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 <<>> 104.21.235.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17026
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.235.52.			IN	A

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

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:18:46 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 52.235.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.235.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
68.183.233.228 attackspam
68.183.233.228 (SG/Singapore/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 17 07:06:37 jbs1 sshd[11255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.202.14.184  user=root
Sep 17 07:06:39 jbs1 sshd[11255]: Failed password for root from 154.202.14.184 port 60828 ssh2
Sep 17 07:07:08 jbs1 sshd[11374]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.233.228  user=root
Sep 17 07:06:02 jbs1 sshd[11005]: Failed password for root from 213.32.70.208 port 57438 ssh2
Sep 17 07:05:56 jbs1 sshd[10850]: Failed password for root from 51.178.17.221 port 49782 ssh2

IP Addresses Blocked:

154.202.14.184 (US/United States/-)
2020-09-17 19:55:02
49.235.132.88 attackspam
Invalid user jemmons from 49.235.132.88 port 45616
2020-09-17 19:59:59
101.80.136.47 attack
Unauthorized connection attempt from IP address 101.80.136.47 on Port 445(SMB)
2020-09-17 19:52:00
5.224.155.100 attack
Blocked by Sophos UTM Network Protection . /    / proto=6  .  srcport=40685  .  dstport=22  .     (1082)
2020-09-17 19:42:23
61.177.172.128 attackspam
Sep 17 14:10:44 minden010 sshd[20073]: Failed password for root from 61.177.172.128 port 52759 ssh2
Sep 17 14:10:58 minden010 sshd[20073]: error: maximum authentication attempts exceeded for root from 61.177.172.128 port 52759 ssh2 [preauth]
Sep 17 14:11:04 minden010 sshd[20169]: Failed password for root from 61.177.172.128 port 18611 ssh2
...
2020-09-17 20:12:06
123.194.79.187 attackspam
Sep 16 18:05:07 ssh2 sshd[64979]: User root from 123-194-79-187.dynamic.kbronet.com.tw not allowed because not listed in AllowUsers
Sep 16 18:05:08 ssh2 sshd[64979]: Failed password for invalid user root from 123.194.79.187 port 34486 ssh2
Sep 16 18:05:08 ssh2 sshd[64979]: Connection closed by invalid user root 123.194.79.187 port 34486 [preauth]
...
2020-09-17 20:03:46
103.211.20.205 attack
Unauthorized connection attempt from IP address 103.211.20.205 on Port 445(SMB)
2020-09-17 20:15:23
24.214.246.113 attack
Sep 16 19:02:12 vps639187 sshd\[31371\]: Invalid user cablecom from 24.214.246.113 port 35530
Sep 16 19:02:12 vps639187 sshd\[31371\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=24.214.246.113
Sep 16 19:02:15 vps639187 sshd\[31371\]: Failed password for invalid user cablecom from 24.214.246.113 port 35530 ssh2
...
2020-09-17 20:10:12
189.142.162.206 attackbots
1600275399 - 09/16/2020 18:56:39 Host: 189.142.162.206/189.142.162.206 Port: 445 TCP Blocked
2020-09-17 19:48:43
178.44.130.175 attackbotsspam
Sep 16 19:02:07 vps639187 sshd\[31341\]: Invalid user support from 178.44.130.175 port 55866
Sep 16 19:02:07 vps639187 sshd\[31341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.44.130.175
Sep 16 19:02:09 vps639187 sshd\[31341\]: Failed password for invalid user support from 178.44.130.175 port 55866 ssh2
...
2020-09-17 20:19:34
179.206.66.51 attackspambots
Fail2Ban Ban Triggered
2020-09-17 19:54:06
51.38.83.164 attack
Sep 17 08:24:42 ws22vmsma01 sshd[70007]: Failed password for invalid user leo from 51.38.83.164 port 38550 ssh2
Sep 17 08:54:25 ws22vmsma01 sshd[193758]: Failed password for root from 51.38.83.164 port 54356 ssh2
Sep 17 09:02:00 ws22vmsma01 sshd[225318]: Failed password for root from 51.38.83.164 port 50956 ssh2
Sep 17 09:05:46 ws22vmsma01 sshd[240924]: Failed password for root from 51.38.83.164 port 35140 ssh2
...
2020-09-17 20:16:53
51.83.131.123 attackbotsspam
Invalid user admin from 51.83.131.123 port 51858
2020-09-17 20:09:44
154.83.16.63 attackbots
Sep 17 13:05:09 nuernberg-4g-01 sshd[23802]: Failed password for root from 154.83.16.63 port 59976 ssh2
Sep 17 13:09:28 nuernberg-4g-01 sshd[25412]: Failed password for root from 154.83.16.63 port 38015 ssh2
2020-09-17 19:41:36
15.161.204.59 attackspambots
Sep 16 00:15:52 mailrelay sshd[4850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=15.161.204.59  user=r.r
Sep 16 00:15:55 mailrelay sshd[4850]: Failed password for r.r from 15.161.204.59 port 57544 ssh2
Sep 16 00:15:55 mailrelay sshd[4850]: Received disconnect from 15.161.204.59 port 57544:11: Bye Bye [preauth]
Sep 16 00:15:55 mailrelay sshd[4850]: Disconnected from 15.161.204.59 port 57544 [preauth]
Sep 16 00:20:56 mailrelay sshd[4964]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=15.161.204.59  user=r.r
Sep 16 00:20:59 mailrelay sshd[4964]: Failed password for r.r from 15.161.204.59 port 58372 ssh2
Sep 16 00:20:59 mailrelay sshd[4964]: Received disconnect from 15.161.204.59 port 58372:11: Bye Bye [preauth]
Sep 16 00:20:59 mailrelay sshd[4964]: Disconnected from 15.161.204.59 port 58372 [preauth]
Sep 16 00:25:28 mailrelay sshd[5116]: pam_unix(sshd:auth): authentication failure; logna........
-------------------------------
2020-09-17 19:45:49

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