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: IANA Special-Purpose Address

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 <<>> 254.21.139.171
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50996
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;254.21.139.171.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020901 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 10 05:24:55 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 171.139.21.254.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 171.139.21.254.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
2604:2000:1343:8cb7:f007:9f79:bb4e:bed5 attackbots
Fail2Ban Ban Triggered
2020-08-04 16:04:00
122.117.130.168 attackbots
Unauthorized connection attempt detected from IP address 122.117.130.168 to port 23
2020-08-04 15:44:06
62.33.241.37 attackbots
Aug  4 05:53:49 debian-2gb-nbg1-2 kernel: \[18771697.504638\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=62.33.241.37 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=53 ID=58705 PROTO=TCP SPT=65535 DPT=23 WINDOW=49351 RES=0x00 SYN URGP=0
2020-08-04 15:51:25
217.61.125.97 attackspam
2020-08-04T04:30:29.964901abusebot-8.cloudsearch.cf sshd[26626]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.125.97  user=root
2020-08-04T04:30:32.047856abusebot-8.cloudsearch.cf sshd[26626]: Failed password for root from 217.61.125.97 port 43104 ssh2
2020-08-04T04:33:19.519009abusebot-8.cloudsearch.cf sshd[26653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.125.97  user=root
2020-08-04T04:33:21.275460abusebot-8.cloudsearch.cf sshd[26653]: Failed password for root from 217.61.125.97 port 34848 ssh2
2020-08-04T04:36:02.218624abusebot-8.cloudsearch.cf sshd[26671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.125.97  user=root
2020-08-04T04:36:04.350805abusebot-8.cloudsearch.cf sshd[26671]: Failed password for root from 217.61.125.97 port 54824 ssh2
2020-08-04T04:38:53.887951abusebot-8.cloudsearch.cf sshd[26696]: pam_unix(sshd:auth): authe
...
2020-08-04 15:59:44
51.77.212.179 attackspam
$f2bV_matches
2020-08-04 16:01:38
59.59.214.32 attackspam
spam (f2b h2)
2020-08-04 16:16:59
222.186.31.83 attackspambots
Aug  4 10:13:17 * sshd[31597]: Failed password for root from 222.186.31.83 port 19909 ssh2
Aug  4 10:13:19 * sshd[31597]: Failed password for root from 222.186.31.83 port 19909 ssh2
2020-08-04 16:17:58
119.96.120.113 attack
2020-08-04T05:54:14.803792ks3355764 sshd[27761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.96.120.113  user=root
2020-08-04T05:54:16.631101ks3355764 sshd[27761]: Failed password for root from 119.96.120.113 port 57980 ssh2
...
2020-08-04 15:37:45
129.226.165.109 attackspambots
2020-08-03T23:53:34.486518mail.thespaminator.com sshd[18895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.165.109  user=root
2020-08-03T23:53:36.490111mail.thespaminator.com sshd[18895]: Failed password for root from 129.226.165.109 port 54246 ssh2
...
2020-08-04 15:55:28
153.35.93.145 attack
2020-08-04 05:54:10,393 fail2ban.actions: WARNING [ssh] Ban 153.35.93.145
2020-08-04 15:40:49
5.188.206.197 attack
Aug  4 12:24:17 bacztwo courieresmtpd[3304]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle@andcycle.idv.tw
Aug  4 12:24:25 bacztwo courieresmtpd[3869]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle
Aug  4 12:24:25 bacztwo courieresmtpd[3869]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle
Aug  4 13:10:41 bacztwo courieresmtpd[8050]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-bitcointalk.org@andcycle.idv.tw
Aug  4 13:10:41 bacztwo courieresmtpd[8050]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-bitcointalk.org@andcycle.idv.tw
Aug  4 13:10:48 bacztwo courieresmtpd[9169]: error,relay=::ffff:5.188.206.197,msg="535 Authentication failed.",cmd: AUTH LOGIN andcycle-bitcointalk.org
Aug  4 13:10:48 bacztwo courieresmtpd[9169]: error,relay=::ffff:5.188.206.197,msg="535 A
...
2020-08-04 16:13:04
222.186.31.204 attackbotsspam
3389BruteforceStormFW21
2020-08-04 15:45:07
206.189.186.211 attack
206.189.186.211 - - [04/Aug/2020:06:52:03 +0100] "POST /wp-login.php HTTP/1.1" 200 2178 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
206.189.186.211 - - [04/Aug/2020:06:52:11 +0100] "POST /wp-login.php HTTP/1.1" 200 2177 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
206.189.186.211 - - [04/Aug/2020:06:52:13 +0100] "POST /wp-login.php HTTP/1.1" 200 2179 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-04 16:15:36
103.105.59.80 attackspambots
Aug  4 06:10:30 buvik sshd[28660]: Failed password for root from 103.105.59.80 port 49618 ssh2
Aug  4 06:14:54 buvik sshd[29226]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.105.59.80  user=root
Aug  4 06:14:56 buvik sshd[29226]: Failed password for root from 103.105.59.80 port 34388 ssh2
...
2020-08-04 16:19:03
177.87.68.210 attackspam
Aug  4 05:19:42 mail.srvfarm.net postfix/smtpd[1212717]: warning: unknown[177.87.68.210]: SASL PLAIN authentication failed: 
Aug  4 05:19:42 mail.srvfarm.net postfix/smtpd[1212717]: lost connection after AUTH from unknown[177.87.68.210]
Aug  4 05:21:11 mail.srvfarm.net postfix/smtpd[1214276]: warning: unknown[177.87.68.210]: SASL PLAIN authentication failed: 
Aug  4 05:21:12 mail.srvfarm.net postfix/smtpd[1214276]: lost connection after AUTH from unknown[177.87.68.210]
Aug  4 05:29:31 mail.srvfarm.net postfix/smtpd[1212444]: warning: unknown[177.87.68.210]: SASL PLAIN authentication failed:
2020-08-04 16:09:06

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