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 <<>> 55.21.116.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15668
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;55.21.116.52.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025031303 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Mar 14 12:06:02 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 52.116.21.55.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 55.21.116.52.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
195.154.237.111 attackspam
Jul 30 09:19:45 gw1 sshd[21699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.154.237.111
Jul 30 09:19:48 gw1 sshd[21699]: Failed password for invalid user tanx from 195.154.237.111 port 50749 ssh2
...
2020-07-30 12:26:26
222.186.175.167 attack
Jul 30 06:04:11 vps639187 sshd\[425\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.167  user=root
Jul 30 06:04:12 vps639187 sshd\[425\]: Failed password for root from 222.186.175.167 port 15834 ssh2
Jul 30 06:04:16 vps639187 sshd\[425\]: Failed password for root from 222.186.175.167 port 15834 ssh2
...
2020-07-30 12:04:24
172.104.108.109 attack
[Thu Jul 30 10:56:16.226586 2020] [:error] [pid 28485:tid 139696478869248] [client 172.104.108.109:42200] [client 172.104.108.109] ModSecurity: Access denied with code 403 (phase 2). Pattern match "^[\\\\d.:]+$" at REQUEST_HEADERS:Host. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "696"] [id "920350"] [msg "Host header is a numeric IP address"] [data "103.27.207.197"] [severity "WARNING"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/PROTOCOL_VIOLATION/IP_HOST"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XyJE4M@uTJFGYTjqSIaxkQAAAqU"]
...
2020-07-30 12:14:53
122.225.230.10 attack
2020-07-30T06:20:31.732492ks3355764 sshd[20674]: Invalid user fgq from 122.225.230.10 port 44632
2020-07-30T06:20:34.331090ks3355764 sshd[20674]: Failed password for invalid user fgq from 122.225.230.10 port 44632 ssh2
...
2020-07-30 12:34:27
61.177.172.177 attackbotsspam
Jul 29 21:24:08 dignus sshd[28565]: Failed password for root from 61.177.172.177 port 31568 ssh2
Jul 29 21:24:08 dignus sshd[28565]: error: maximum authentication attempts exceeded for root from 61.177.172.177 port 31568 ssh2 [preauth]
Jul 29 21:24:17 dignus sshd[28599]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.177  user=root
Jul 29 21:24:19 dignus sshd[28599]: Failed password for root from 61.177.172.177 port 1135 ssh2
Jul 29 21:24:22 dignus sshd[28599]: Failed password for root from 61.177.172.177 port 1135 ssh2
...
2020-07-30 12:25:23
185.75.5.158 attack
Dovecot Invalid User Login Attempt.
2020-07-30 08:24:35
129.211.146.50 attackspambots
Jul 30 02:19:27 vpn01 sshd[10784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.146.50
Jul 30 02:19:30 vpn01 sshd[10784]: Failed password for invalid user zhb from 129.211.146.50 port 49152 ssh2
...
2020-07-30 08:27:38
64.57.253.25 attackspam
2020-07-30T04:11:19.723381dmca.cloudsearch.cf sshd[10492]: Invalid user liuzr2 from 64.57.253.25 port 59120
2020-07-30T04:11:19.728696dmca.cloudsearch.cf sshd[10492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.57.253.25
2020-07-30T04:11:19.723381dmca.cloudsearch.cf sshd[10492]: Invalid user liuzr2 from 64.57.253.25 port 59120
2020-07-30T04:11:21.528189dmca.cloudsearch.cf sshd[10492]: Failed password for invalid user liuzr2 from 64.57.253.25 port 59120 ssh2
2020-07-30T04:15:02.420647dmca.cloudsearch.cf sshd[10646]: Invalid user gcj from 64.57.253.25 port 42582
2020-07-30T04:15:02.426548dmca.cloudsearch.cf sshd[10646]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.57.253.25
2020-07-30T04:15:02.420647dmca.cloudsearch.cf sshd[10646]: Invalid user gcj from 64.57.253.25 port 42582
2020-07-30T04:15:04.507098dmca.cloudsearch.cf sshd[10646]: Failed password for invalid user gcj from 64.57.253.25 port 42
...
2020-07-30 12:21:04
113.134.211.42 attack
Invalid user wanz from 113.134.211.42 port 43032
2020-07-30 12:06:54
87.242.234.181 attack
Jul 30 05:56:10 santamaria sshd\[17577\]: Invalid user jinjie from 87.242.234.181
Jul 30 05:56:10 santamaria sshd\[17577\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.242.234.181
Jul 30 05:56:11 santamaria sshd\[17577\]: Failed password for invalid user jinjie from 87.242.234.181 port 42610 ssh2
...
2020-07-30 12:17:20
49.234.196.225 attackspambots
Invalid user dengxa from 49.234.196.225 port 60790
2020-07-30 12:15:47
61.72.255.26 attackspambots
ssh brute force
2020-07-30 12:25:46
220.180.192.77 attackspam
bruteforce detected
2020-07-30 12:19:03
111.229.118.227 attack
Jul 30 13:56:05 NG-HHDC-SVS-001 sshd[16263]: Invalid user lml from 111.229.118.227
...
2020-07-30 12:23:05
49.247.128.68 attackbotsspam
Jul 30 05:51:30 OPSO sshd\[978\]: Invalid user ygcao from 49.247.128.68 port 41194
Jul 30 05:51:30 OPSO sshd\[978\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.128.68
Jul 30 05:51:32 OPSO sshd\[978\]: Failed password for invalid user ygcao from 49.247.128.68 port 41194 ssh2
Jul 30 05:56:23 OPSO sshd\[1753\]: Invalid user wenqing from 49.247.128.68 port 54612
Jul 30 05:56:23 OPSO sshd\[1753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.128.68
2020-07-30 12:07:23

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