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: Cambridge

Region: Massachusetts

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 <<>> 18.121.8.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26227
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;18.121.8.54.			IN	A

;; AUTHORITY SECTION:
.			379	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019110100 1800 900 604800 86400

;; Query time: 176 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Nov 01 16:57:46 CST 2019
;; MSG SIZE  rcvd: 115
Host info
Host 54.8.121.18.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.8.121.18.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
157.230.45.31 attackspam
*Port Scan* detected from 157.230.45.31 (SG/Singapore/-/Singapore (Pioneer)/-). 4 hits in the last 35 seconds
2020-08-29 00:12:27
138.59.146.246 attackbots
From send-assinatura-1618-oaltouruguai.com.br-8@vendastop10.com.br Fri Aug 28 09:06:01 2020
Received: from mm146-246.vendastop10.com.br ([138.59.146.246]:37154)
2020-08-29 00:12:57
188.165.230.118 attackspambots
[-]:443 188.165.230.118 - - [28/Aug/2020:17:53:03 +0200] "GET /wp-login.php HTTP/1.1" 401 4199 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
2020-08-28 23:58:57
141.98.80.66 attackspam
Aug 28 18:10:06 relay postfix/smtpd\[27737\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 28 18:10:06 relay postfix/smtpd\[26386\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 28 18:10:06 relay postfix/smtpd\[27524\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 28 18:10:10 relay postfix/smtpd\[27738\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 28 18:10:10 relay postfix/smtpd\[26639\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 28 18:10:10 relay postfix/smtpd\[26423\]: warning: unknown\[141.98.80.66\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-29 00:15:33
217.182.71.54 attack
SSH
2020-08-28 23:58:29
51.83.33.88 attackbots
2020-08-28T13:16:39.531647abusebot-5.cloudsearch.cf sshd[22312]: Invalid user buh from 51.83.33.88 port 40002
2020-08-28T13:16:39.539086abusebot-5.cloudsearch.cf sshd[22312]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.ip-51-83-33.eu
2020-08-28T13:16:39.531647abusebot-5.cloudsearch.cf sshd[22312]: Invalid user buh from 51.83.33.88 port 40002
2020-08-28T13:16:41.139255abusebot-5.cloudsearch.cf sshd[22312]: Failed password for invalid user buh from 51.83.33.88 port 40002 ssh2
2020-08-28T13:23:10.010131abusebot-5.cloudsearch.cf sshd[22423]: Invalid user rodriguez from 51.83.33.88 port 48708
2020-08-28T13:23:10.017447abusebot-5.cloudsearch.cf sshd[22423]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.ip-51-83-33.eu
2020-08-28T13:23:10.010131abusebot-5.cloudsearch.cf sshd[22423]: Invalid user rodriguez from 51.83.33.88 port 48708
2020-08-28T13:23:11.968636abusebot-5.cloudsearch.cf sshd[22423]: Failed
...
2020-08-29 00:01:18
115.231.231.3 attackbotsspam
Aug 28 15:40:29 vmd17057 sshd[18887]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.231.231.3 
Aug 28 15:40:32 vmd17057 sshd[18887]: Failed password for invalid user gcs from 115.231.231.3 port 57254 ssh2
...
2020-08-29 00:20:00
106.12.34.97 attack
Aug 28 14:44:30 home sshd[2047627]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.34.97 
Aug 28 14:44:30 home sshd[2047627]: Invalid user anton from 106.12.34.97 port 48294
Aug 28 14:44:32 home sshd[2047627]: Failed password for invalid user anton from 106.12.34.97 port 48294 ssh2
Aug 28 14:48:47 home sshd[2048992]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.34.97  user=root
Aug 28 14:48:50 home sshd[2048992]: Failed password for root from 106.12.34.97 port 48696 ssh2
...
2020-08-29 00:10:05
222.186.175.169 attackbots
Aug 28 18:05:16 vm0 sshd[26535]: Failed password for root from 222.186.175.169 port 3856 ssh2
Aug 28 18:05:19 vm0 sshd[26535]: Failed password for root from 222.186.175.169 port 3856 ssh2
...
2020-08-29 00:09:48
14.171.222.54 attackbots
Icarus honeypot on github
2020-08-29 00:23:58
189.112.90.132 attackbotsspam
Brute-force attempt banned
2020-08-28 23:58:40
188.92.209.154 attackspambots
(smtpauth) Failed SMTP AUTH login from 188.92.209.154 (GE/Georgia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-08-28 16:35:53 plain authenticator failed for ([188.92.209.154]) [188.92.209.154]: 535 Incorrect authentication data (set_id=info)
2020-08-29 00:16:54
78.196.38.46 attackspambots
2020-08-28T23:10:28.734398hostname sshd[7183]: Invalid user ddz from 78.196.38.46 port 45186
2020-08-28T23:10:30.406573hostname sshd[7183]: Failed password for invalid user ddz from 78.196.38.46 port 45186 ssh2
2020-08-28T23:14:05.153340hostname sshd[8548]: Invalid user admin from 78.196.38.46 port 59224
...
2020-08-29 00:16:16
209.97.138.179 attack
Aug 28 14:14:28 electroncash sshd[42841]: Failed password for root from 209.97.138.179 port 60694 ssh2
Aug 28 14:16:19 electroncash sshd[43331]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.138.179  user=root
Aug 28 14:16:21 electroncash sshd[43331]: Failed password for root from 209.97.138.179 port 39742 ssh2
Aug 28 14:18:16 electroncash sshd[43847]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.97.138.179  user=root
Aug 28 14:18:18 electroncash sshd[43847]: Failed password for root from 209.97.138.179 port 47036 ssh2
...
2020-08-29 00:25:11
91.229.112.6 attackspam
ET CINS Active Threat Intelligence Poor Reputation IP group 80 - port: 2907 proto: tcp cat: Misc Attackbytes: 60
2020-08-29 00:14:06

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