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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.55.210
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10297
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.210.			IN	A

;; AUTHORITY SECTION:
.			591	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:13:23 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 210.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 210.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
137.74.171.160 attackspambots
2020-09-10T16:55:49.298171ns386461 sshd\[23500\]: Invalid user hobbit from 137.74.171.160 port 40348
2020-09-10T16:55:49.302873ns386461 sshd\[23500\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=160.ip-137-74-171.eu
2020-09-10T16:55:50.858630ns386461 sshd\[23500\]: Failed password for invalid user hobbit from 137.74.171.160 port 40348 ssh2
2020-09-10T17:01:48.554109ns386461 sshd\[28916\]: Invalid user shekhar from 137.74.171.160 port 59884
2020-09-10T17:01:48.559056ns386461 sshd\[28916\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=160.ip-137-74-171.eu
...
2020-09-11 00:52:43
5.183.92.170 attack
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.388+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923",Challenge="1599650861/52198d4167c3a9a00e5d361ee7f02dcd",Response="6532c6282320ff82d1005d4123862644",ExpectedResponse=""
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="InvalidAccountID",EventTV="2020-09-09T13:27:41.418+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="10",SessionID="518973635-123769044-452640836",LocalAddress="IPV4/UDP/51.255.2.242/5060",RemoteAddress="IPV4/UDP/5.183.92.170/60923"
[2020-09-09 13:27:41] SECURITY[2022] res_security_log.c: SecurityEvent="ChallengeResponseFailed",EventTV="2020-09-09T13:27:41.419+0200",Severity="Error",Service="PJSIP",EventVersion="1",AccountID="",SessionID="518
...
2020-09-11 01:04:32
150.109.40.135 attackspam
[portscan] Port scan
2020-09-11 00:48:48
167.71.2.73 attackbotsspam
(sshd) Failed SSH login from 167.71.2.73 (NL/Netherlands/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep  9 22:12:23 optimus sshd[31041]: Invalid user butter from 167.71.2.73
Sep  9 22:12:23 optimus sshd[31041]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.2.73 
Sep  9 22:12:25 optimus sshd[31041]: Failed password for invalid user butter from 167.71.2.73 port 54128 ssh2
Sep  9 22:26:40 optimus sshd[8066]: Invalid user orastat from 167.71.2.73
Sep  9 22:26:40 optimus sshd[8066]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.2.73
2020-09-11 00:42:10
36.155.115.72 attackspam
Sep 10 16:57:50 marvibiene sshd[4381]: Failed password for root from 36.155.115.72 port 41224 ssh2
Sep 10 17:02:46 marvibiene sshd[4730]: Failed password for root from 36.155.115.72 port 34049 ssh2
2020-09-11 01:19:14
36.82.192.37 attack
Sep  9 20:57:43 markkoudstaal sshd[11641]: Failed password for root from 36.82.192.37 port 58053 ssh2
Sep  9 21:04:18 markkoudstaal sshd[13554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.82.192.37
Sep  9 21:04:20 markkoudstaal sshd[13554]: Failed password for invalid user guest1 from 36.82.192.37 port 43869 ssh2
...
2020-09-11 00:56:11
112.85.42.173 attackspambots
Sep 10 18:54:09 vpn01 sshd[10213]: Failed password for root from 112.85.42.173 port 19044 ssh2
Sep 10 18:54:12 vpn01 sshd[10213]: Failed password for root from 112.85.42.173 port 19044 ssh2
...
2020-09-11 00:54:29
185.56.153.229 attackbots
$f2bV_matches
2020-09-11 01:12:13
222.186.175.167 attackspam
Sep 10 19:06:37 vpn01 sshd[10400]: Failed password for root from 222.186.175.167 port 26362 ssh2
Sep 10 19:06:49 vpn01 sshd[10400]: Failed password for root from 222.186.175.167 port 26362 ssh2
Sep 10 19:06:49 vpn01 sshd[10400]: error: maximum authentication attempts exceeded for root from 222.186.175.167 port 26362 ssh2 [preauth]
...
2020-09-11 01:07:00
177.91.80.8 attackbotsspam
Invalid user chuy from 177.91.80.8 port 53900
2020-09-11 00:46:36
61.152.70.126 attackspam
Sep  9 11:50:56 s158375 sshd[27608]: Failed password for root from 61.152.70.126 port 56363 ssh2
2020-09-11 01:24:18
222.186.175.202 attack
Sep 10 19:30:39 santamaria sshd\[5572\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.202  user=root
Sep 10 19:30:41 santamaria sshd\[5572\]: Failed password for root from 222.186.175.202 port 29478 ssh2
Sep 10 19:30:44 santamaria sshd\[5572\]: Failed password for root from 222.186.175.202 port 29478 ssh2
...
2020-09-11 01:32:41
222.186.175.182 attack
Sep 10 13:28:37 ny01 sshd[30913]: Failed password for root from 222.186.175.182 port 21926 ssh2
Sep 10 13:28:40 ny01 sshd[30913]: Failed password for root from 222.186.175.182 port 21926 ssh2
Sep 10 13:28:44 ny01 sshd[30913]: Failed password for root from 222.186.175.182 port 21926 ssh2
Sep 10 13:28:47 ny01 sshd[30913]: Failed password for root from 222.186.175.182 port 21926 ssh2
2020-09-11 01:31:44
218.92.0.200 attackbotsspam
Fail2Ban Ban Triggered
2020-09-11 01:17:56
193.228.91.105 attackbotsspam
SSH Invalid Login
2020-09-11 01:02:56

Recently Reported IPs

104.21.55.200 104.21.55.215 104.21.55.214 104.21.55.225
104.21.55.224 104.21.55.230 104.21.55.237 104.21.55.234
104.21.55.242 104.21.55.248 104.21.55.252 104.21.55.59
104.21.55.49 13.225.71.38 104.21.55.73 104.21.55.85
104.21.55.81 104.21.55.76 104.21.55.86 104.21.55.91