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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.71.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64144
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.71.42.			IN	A

;; AUTHORITY SECTION:
.			193	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 74 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:36:48 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 42.71.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.71.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.31.83 attackbots
2020-09-15T18:23:12.341590lavrinenko.info sshd[6391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.83  user=root
2020-09-15T18:23:14.193987lavrinenko.info sshd[6391]: Failed password for root from 222.186.31.83 port 62747 ssh2
2020-09-15T18:23:12.341590lavrinenko.info sshd[6391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.83  user=root
2020-09-15T18:23:14.193987lavrinenko.info sshd[6391]: Failed password for root from 222.186.31.83 port 62747 ssh2
2020-09-15T18:23:17.198350lavrinenko.info sshd[6391]: Failed password for root from 222.186.31.83 port 62747 ssh2
...
2020-09-15 23:28:17
103.217.152.225 attackbots
failed_logins
2020-09-15 23:22:34
91.132.147.168 attackbots
(sshd) Failed SSH login from 91.132.147.168 (DE/Germany/netcupDE.tor-exit.de): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 15 06:42:25 server sshd[19872]: Failed password for root from 91.132.147.168 port 53051 ssh2
Sep 15 06:42:28 server sshd[19872]: Failed password for root from 91.132.147.168 port 53051 ssh2
Sep 15 06:42:30 server sshd[19872]: Failed password for root from 91.132.147.168 port 53051 ssh2
Sep 15 06:42:32 server sshd[19872]: Failed password for root from 91.132.147.168 port 53051 ssh2
Sep 15 06:42:34 server sshd[19872]: Failed password for root from 91.132.147.168 port 53051 ssh2
2020-09-15 22:56:48
177.44.17.44 attackbots
Sep 15 01:28:33 mail.srvfarm.net postfix/smtpd[2393282]: warning: unknown[177.44.17.44]: SASL PLAIN authentication failed: 
Sep 15 01:28:34 mail.srvfarm.net postfix/smtpd[2393282]: lost connection after AUTH from unknown[177.44.17.44]
Sep 15 01:32:46 mail.srvfarm.net postfix/smtps/smtpd[2397394]: warning: unknown[177.44.17.44]: SASL PLAIN authentication failed: 
Sep 15 01:32:47 mail.srvfarm.net postfix/smtps/smtpd[2397394]: lost connection after AUTH from unknown[177.44.17.44]
Sep 15 01:36:29 mail.srvfarm.net postfix/smtps/smtpd[2396676]: warning: unknown[177.44.17.44]: SASL PLAIN authentication failed:
2020-09-15 23:03:32
177.184.218.104 attack
Sep 14 18:18:31 mail.srvfarm.net postfix/smtpd[2071658]: warning: 177.184.218.104.hypernettelecom.net.br[177.184.218.104]: SASL PLAIN authentication failed: 
Sep 14 18:18:31 mail.srvfarm.net postfix/smtpd[2071658]: lost connection after AUTH from 177.184.218.104.hypernettelecom.net.br[177.184.218.104]
Sep 14 18:28:07 mail.srvfarm.net postfix/smtps/smtpd[2075240]: warning: 177.184.218.104.hypernettelecom.net.br[177.184.218.104]: SASL PLAIN authentication failed: 
Sep 14 18:28:08 mail.srvfarm.net postfix/smtps/smtpd[2075240]: lost connection after AUTH from 177.184.218.104.hypernettelecom.net.br[177.184.218.104]
Sep 14 18:28:13 mail.srvfarm.net postfix/smtps/smtpd[2072918]: warning: 177.184.218.104.hypernettelecom.net.br[177.184.218.104]: SASL PLAIN authentication failed:
2020-09-15 23:18:45
46.231.79.50 attackspam
Sep 14 18:34:50 mail.srvfarm.net postfix/smtpd[2073940]: warning: unknown[46.231.79.50]: SASL PLAIN authentication failed: 
Sep 14 18:34:50 mail.srvfarm.net postfix/smtpd[2073940]: lost connection after AUTH from unknown[46.231.79.50]
Sep 14 18:38:39 mail.srvfarm.net postfix/smtps/smtpd[2073111]: warning: unknown[46.231.79.50]: SASL PLAIN authentication failed: 
Sep 14 18:38:39 mail.srvfarm.net postfix/smtps/smtpd[2073111]: lost connection after AUTH from unknown[46.231.79.50]
Sep 14 18:44:07 mail.srvfarm.net postfix/smtps/smtpd[2073815]: warning: unknown[46.231.79.50]: SASL PLAIN authentication failed:
2020-09-15 23:10:03
124.158.164.146 attack
Cluster member 178.17.174.160 (MD/Republic of Moldova/Chișinău Municipality/Chisinau/kiv.hlex.pw/[AS43289 I.C.S. Trabia-Network S.R.L.]) said, TEMPDENY 124.158.164.146, Reason:[(sshd) Failed SSH login from 124.158.164.146 (ID/Indonesia/Banten/Tangerang/-/[AS9341 PT INDONESIA COMNETS PLUS]): 1 in the last 3600 secs]; Ports: *; Direction: inout; Trigger: LF_CLUSTER; Logs:
2020-09-15 23:30:24
5.89.35.84 attackspambots
$f2bV_matches
2020-09-15 23:27:39
68.183.233.228 attack
Sep 15 20:53:21 webhost01 sshd[23037]: Failed password for root from 68.183.233.228 port 37809 ssh2
...
2020-09-15 23:33:36
177.126.216.117 attackbots
Sep 14 18:44:39 mail.srvfarm.net postfix/smtpd[2078258]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed: 
Sep 14 18:44:39 mail.srvfarm.net postfix/smtpd[2078258]: lost connection after AUTH from unknown[177.126.216.117]
Sep 14 18:47:52 mail.srvfarm.net postfix/smtps/smtpd[2075149]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed: 
Sep 14 18:47:52 mail.srvfarm.net postfix/smtps/smtpd[2075149]: lost connection after AUTH from unknown[177.126.216.117]
Sep 14 18:54:32 mail.srvfarm.net postfix/smtps/smtpd[2077858]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed:
2020-09-15 23:02:44
103.207.168.226 attack
SSH/22 MH Probe, BF, Hack -
2020-09-15 23:37:23
103.252.119.155 attackbots
Brute force attempt
2020-09-15 23:21:57
212.70.149.20 attackspambots
Sep 15 17:07:51 srv01 postfix/smtpd\[17122\]: warning: unknown\[212.70.149.20\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 17:07:53 srv01 postfix/smtpd\[11576\]: warning: unknown\[212.70.149.20\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 17:07:53 srv01 postfix/smtpd\[17715\]: warning: unknown\[212.70.149.20\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 17:07:56 srv01 postfix/smtpd\[17726\]: warning: unknown\[212.70.149.20\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 17:08:17 srv01 postfix/smtpd\[17726\]: warning: unknown\[212.70.149.20\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-15 23:16:31
89.186.24.150 attack
Sep 14 18:19:37 mail.srvfarm.net postfix/smtpd[2073585]: warning: ip-89-186-24-150.static.vip-net.pl[89.186.24.150]: SASL PLAIN authentication failed: 
Sep 14 18:19:37 mail.srvfarm.net postfix/smtpd[2073585]: lost connection after AUTH from ip-89-186-24-150.static.vip-net.pl[89.186.24.150]
Sep 14 18:23:31 mail.srvfarm.net postfix/smtps/smtpd[2072918]: warning: ip-89-186-24-150.static.vip-net.pl[89.186.24.150]: SASL PLAIN authentication failed: 
Sep 14 18:23:31 mail.srvfarm.net postfix/smtps/smtpd[2072918]: lost connection after AUTH from ip-89-186-24-150.static.vip-net.pl[89.186.24.150]
Sep 14 18:26:52 mail.srvfarm.net postfix/smtpd[2071658]: warning: ip-89-186-24-150.static.vip-net.pl[89.186.24.150]: SASL PLAIN authentication failed:
2020-09-15 23:23:44
45.239.143.30 attack
Sep 15 14:09:05 mail.srvfarm.net postfix/smtps/smtpd[2688882]: warning: unknown[45.239.143.30]: SASL PLAIN authentication failed: 
Sep 15 14:09:06 mail.srvfarm.net postfix/smtps/smtpd[2688882]: lost connection after AUTH from unknown[45.239.143.30]
Sep 15 14:13:06 mail.srvfarm.net postfix/smtpd[2704985]: warning: unknown[45.239.143.30]: SASL PLAIN authentication failed: 
Sep 15 14:13:07 mail.srvfarm.net postfix/smtpd[2704985]: lost connection after AUTH from unknown[45.239.143.30]
Sep 15 14:18:35 mail.srvfarm.net postfix/smtpd[2720602]: warning: unknown[45.239.143.30]: SASL PLAIN authentication failed:
2020-09-15 23:10:56

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