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: Gangbuk-gu

Region: Seoul Special City

Country: South Korea

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 <<>> 121.152.142.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49913
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.152.142.136.		IN	A

;; AUTHORITY SECTION:
.			430	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023052300 1800 900 604800 86400

;; Query time: 69 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed May 24 00:44:35 CST 2023
;; MSG SIZE  rcvd: 108
Host info
Host 136.142.152.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.142.152.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
138.94.59.216 attackspam
2019-02-05 21:47:53 H=\(\[138.94.59.216\]\) \[138.94.59.216\]:32093 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-02-05 21:48:07 H=\(\[138.94.59.216\]\) \[138.94.59.216\]:31796 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-02-05 21:48:14 H=\(\[138.94.59.216\]\) \[138.94.59.216\]:32726 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
...
2020-02-05 01:13:04
181.230.235.55 attackspam
2019-07-09 11:47:02 1hkmiD-0005mT-JR SMTP connection from \(55-235-230-181.cab.prima.com.ar\) \[181.230.235.55\]:27953 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-09 11:47:19 1hkmiU-0005n5-R4 SMTP connection from \(55-235-230-181.cab.prima.com.ar\) \[181.230.235.55\]:28094 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-09 11:47:33 1hkmii-0005nJ-55 SMTP connection from \(55-235-230-181.cab.prima.com.ar\) \[181.230.235.55\]:28196 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:57:27
139.28.219.38 attackspambots
2019-03-02 09:03:10 1gzzby-0002nC-Lp SMTP connection from bleach.doapex.com \(bleach.uttarakarnataka.host\) \[139.28.219.38\]:47244 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-02 09:03:10 1gzzby-0002nD-Lr SMTP connection from bleach.doapex.com \(bleach.uttarakarnataka.host\) \[139.28.219.38\]:50398 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-02 09:05:28 1gzzeC-0002qt-2H SMTP connection from bleach.doapex.com \(bleach.uttarakarnataka.host\) \[139.28.219.38\]:40613 I=\[193.107.90.29\]:25 closed by DROP in ACL
...
2020-02-05 00:45:38
162.243.121.211 attackspambots
Unauthorized connection attempt detected from IP address 162.243.121.211 to port 2220 [J]
2020-02-05 00:54:55
139.28.219.34 attackbotsspam
2019-03-03 10:05:50 1h0N4A-0007zs-7x SMTP connection from happy.doapex.com \(happy.vegasinjectors.icu\) \[139.28.219.34\]:37683 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-03-03 10:08:15 1h0N6V-000836-OK SMTP connection from happy.doapex.com \(happy.vegasinjectors.icu\) \[139.28.219.34\]:56021 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-03 10:08:40 1h0N6u-00083a-Ov SMTP connection from happy.doapex.com \(happy.vegasinjectors.icu\) \[139.28.219.34\]:35385 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-13 17:05:57 1hFKE9-0008DU-Lg SMTP connection from happy.doapex.com \(happy.baynecats.icu\) \[139.28.219.34\]:47058 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-13 17:07:28 1hFKFc-0008Ff-AP SMTP connection from happy.doapex.com \(happy.baynecats.icu\) \[139.28.219.34\]:44391 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-13 17:09:11 1hFKHH-0008JY-NS SMTP connection from happy.doapex.com \(happy.baynecats.icu\) \[139.28.219.34\]:50307 I=\[193.107.88.166
...
2020-02-05 00:46:11
58.27.31.70 attack
Unauthorized connection attempt detected from IP address 58.27.31.70 to port 2220 [J]
2020-02-05 00:39:59
138.219.16.1 attackbotsspam
2019-03-11 12:13:15 1h3Irq-0005zO-FG SMTP connection from \(\[138.219.16.1\]\) \[138.219.16.1\]:22737 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-11 12:13:32 1h3Is6-0005zk-RL SMTP connection from \(\[138.219.16.1\]\) \[138.219.16.1\]:22982 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-11 12:13:43 1h3IsI-00060H-CI SMTP connection from \(\[138.219.16.1\]\) \[138.219.16.1\]:23130 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:20:29
139.228.161.11 attackspambots
2019-06-21 08:27:32 1heD1D-0003lC-5N SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49615 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-21 08:27:46 1heD1S-0003lN-4j SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49664 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-21 08:27:54 1heD1b-0003lV-Ip SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49707 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:49:46
14.242.157.84 normal
Can thiệp riêng tư
2020-02-05 00:48:32
139.28.219.54 attackbotsspam
2019-03-04 02:03:18 1h0c0k-0001TL-MM SMTP connection from watery.doapex.com \(watery.veratastudio.host\) \[139.28.219.54\]:50407 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-03-04 02:05:20 1h0c2h-0001XO-Rb SMTP connection from watery.doapex.com \(watery.veratastudio.host\) \[139.28.219.54\]:44593 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-04 02:06:37 1h0c3x-0001ZL-8u SMTP connection from watery.doapex.com \(watery.veratastudio.host\) \[139.28.219.54\]:40832 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:41:34
139.255.134.111 attackbots
2019-02-07 02:50:00 H=\(ln-static-139-255-134-111.link.net.id\) \[139.255.134.111\]:14607 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-02-07 02:50:15 H=\(ln-static-139-255-134-111.link.net.id\) \[139.255.134.111\]:14726 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-02-07 02:50:24 H=\(ln-static-139-255-134-111.link.net.id\) \[139.255.134.111\]:14788 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
...
2020-02-05 00:48:55
139.28.219.40 attack
2019-03-04 08:06:50 1h0hgY-00033x-DY SMTP connection from lean.doapex.com \(lean.vevsabooks.space\) \[139.28.219.40\]:47664 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-04 08:09:13 1h0hir-00038e-Gn SMTP connection from lean.doapex.com \(lean.vevsabooks.space\) \[139.28.219.40\]:53818 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-03-04 08:09:39 1h0hjH-000396-38 SMTP connection from lean.doapex.com \(lean.vevsabooks.space\) \[139.28.219.40\]:55592 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:43:54
218.92.0.191 attackspambots
Feb  4 17:58:01 dcd-gentoo sshd[6726]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Feb  4 17:58:04 dcd-gentoo sshd[6726]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Feb  4 17:58:01 dcd-gentoo sshd[6726]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Feb  4 17:58:04 dcd-gentoo sshd[6726]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Feb  4 17:58:01 dcd-gentoo sshd[6726]: User root from 218.92.0.191 not allowed because none of user's groups are listed in AllowGroups
Feb  4 17:58:04 dcd-gentoo sshd[6726]: error: PAM: Authentication failure for illegal user root from 218.92.0.191
Feb  4 17:58:04 dcd-gentoo sshd[6726]: Failed keyboard-interactive/pam for invalid user root from 218.92.0.191 port 42550 ssh2
...
2020-02-05 01:12:28
138.185.76.52 attackspam
2019-06-22 19:21:39 1hejhp-0002s5-Mk SMTP connection from \(\[138.185.76.52\]\) \[138.185.76.52\]:38165 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-22 19:22:03 1hejiE-0002sL-0o SMTP connection from \(\[138.185.76.52\]\) \[138.185.76.52\]:44824 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-22 19:22:18 1hejiS-0002sY-ED SMTP connection from \(\[138.185.76.52\]\) \[138.185.76.52\]:43424 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:20:57
139.28.219.56 attack
2019-04-15 16:13:00 1hG2M0-0006N5-LT SMTP connection from gaff.doapex.com \(gaff.oregonvoicemag.icu\) \[139.28.219.56\]:55774 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-15 16:14:57 1hG2Nt-0006SF-EG SMTP connection from gaff.doapex.com \(gaff.oregonvoicemag.icu\) \[139.28.219.56\]:41815 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-04-15 16:15:02 1hG2Ny-0006Th-HY SMTP connection from gaff.doapex.com \(gaff.oregonvoicemag.icu\) \[139.28.219.56\]:53581 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:40:59

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