IP address


.207121.136.135.137
Shodan(more info)
Passive DNS
Tags: Login attempts
IP blacklists
UCEPROTECT L1
121.136.135.137 is listed on the UCEPROTECT L1 blacklist.

Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2026-04-03 23:45:01.328000
Was present on blacklist at: 2026-01-07 00:45, 2026-01-07 08:45, 2026-01-07 16:45, 2026-01-08 00:45, 2026-01-08 08:45, 2026-01-08 16:45, 2026-01-09 00:45, 2026-01-09 08:45, 2026-01-09 16:45, 2026-01-10 00:45, 2026-01-10 08:45, 2026-01-10 16:45, 2026-01-11 00:45, 2026-01-11 08:45, 2026-01-11 16:45, 2026-01-12 00:45, 2026-01-12 08:45, 2026-01-12 16:45, 2026-01-13 00:45, 2026-01-13 08:45, 2026-01-13 16:45, 2026-01-14 00:45, 2026-01-14 08:45, 2026-01-14 16:45, 2026-01-15 00:45, 2026-01-15 08:45, 2026-01-15 16:45, 2026-01-16 00:45, 2026-01-16 08:45, 2026-01-16 16:45, 2026-01-17 00:45, 2026-01-17 08:45, 2026-01-17 16:45, 2026-01-18 00:45, 2026-01-18 08:45, 2026-01-18 16:45, 2026-01-19 00:45, 2026-01-19 08:45, 2026-01-19 16:45, 2026-01-20 00:45, 2026-01-20 08:45, 2026-01-20 16:45, 2026-01-21 00:45, 2026-01-21 16:45, 2026-01-22 00:45, 2026-01-22 08:45, 2026-01-23 00:45, 2026-01-23 08:45, 2026-01-23 16:45, 2026-01-24 00:45, 2026-01-24 08:45, 2026-01-25 00:45, 2026-01-25 16:45, 2026-01-26 00:45, 2026-01-26 08:45, 2026-01-26 16:45, 2026-01-27 16:45, 2026-01-28 00:45, 2026-01-28 08:45, 2026-01-29 00:45, 2026-01-30 08:45, 2026-01-31 00:45, 2026-01-31 08:45, 2026-01-31 16:45, 2026-02-03 00:45, 2026-02-03 08:45, 2026-02-05 00:45, 2026-02-06 08:45, 2026-02-07 16:45, 2026-02-08 08:45, 2026-02-08 16:45, 2026-02-10 00:45, 2026-02-10 08:45, 2026-02-10 16:45, 2026-02-12 00:45, 2026-02-12 08:45, 2026-02-12 16:45, 2026-02-13 00:45, 2026-02-13 08:45, 2026-02-14 16:45, 2026-02-15 00:45, 2026-02-15 08:45, 2026-02-16 00:45, 2026-02-16 16:45, 2026-02-17 00:45, 2026-02-18 00:45, 2026-02-18 16:45, 2026-02-19 00:45, 2026-02-19 08:45, 2026-02-19 16:45, 2026-02-20 00:45, 2026-02-20 08:45, 2026-02-21 08:45, 2026-02-22 08:45, 2026-02-22 16:45, 2026-02-24 00:45, 2026-02-24 08:45, 2026-02-24 16:45, 2026-02-25 00:45, 2026-02-25 08:45, 2026-02-26 00:45, 2026-02-27 08:45, 2026-02-27 16:45, 2026-02-28 08:45, 2026-03-01 16:45, 2026-03-09 08:45, 2026-03-09 16:45, 2026-03-10 00:45, 2026-03-10 08:45, 2026-03-10 16:45, 2026-03-11 00:45, 2026-03-11 08:45, 2026-03-11 16:45, 2026-03-12 00:45, 2026-03-12 08:45, 2026-03-12 16:45, 2026-03-13 00:45, 2026-03-13 08:45, 2026-03-13 16:45, 2026-03-14 00:45, 2026-03-14 08:45, 2026-03-14 16:45, 2026-03-15 00:45, 2026-03-15 08:45, 2026-03-15 16:45, 2026-03-16 00:45, 2026-03-16 08:45, 2026-03-16 16:45, 2026-03-17 00:45, 2026-03-17 08:45, 2026-03-17 16:45, 2026-03-18 00:45, 2026-03-18 08:45, 2026-03-18 16:45, 2026-03-19 00:45, 2026-03-19 08:45, 2026-03-19 16:45, 2026-03-20 00:45, 2026-03-20 08:45, 2026-03-20 16:45, 2026-03-21 00:45, 2026-03-21 08:45, 2026-03-21 16:45, 2026-03-22 00:45, 2026-03-22 08:45, 2026-03-22 16:45, 2026-03-23 00:45, 2026-03-23 08:45, 2026-03-23 16:45, 2026-03-24 00:45, 2026-03-24 08:45, 2026-03-24 16:45, 2026-03-25 00:45, 2026-03-25 08:45, 2026-03-25 16:45, 2026-03-26 00:45, 2026-03-26 08:45, 2026-03-26 16:45, 2026-03-27 00:45, 2026-03-27 08:45, 2026-03-27 16:45, 2026-03-28 00:45, 2026-03-28 08:45, 2026-03-28 16:45, 2026-03-29 00:45, 2026-03-29 07:45, 2026-03-29 15:45, 2026-03-29 23:45, 2026-03-30 07:45, 2026-03-30 15:45, 2026-03-30 23:45, 2026-03-31 07:45, 2026-03-31 15:45, 2026-03-31 23:45, 2026-04-01 07:45, 2026-04-01 15:45, 2026-04-01 23:45, 2026-04-02 07:45, 2026-04-02 15:45, 2026-04-02 23:45, 2026-04-03 07:45, 2026-04-03 15:45, 2026-04-03 23:45
Spamhaus XBL CBL
121.136.135.137 is listed on the Spamhaus XBL CBL blacklist.

Description: The Spamhaus Exploits Block List (XBL) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies, worms/viruses with built-in spam engines, and other types of trojan-horse exploits.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-03-01 23:50:00.621000
Was present on blacklist at: 2026-01-11 23:50, 2026-01-18 23:50, 2026-01-25 23:50, 2026-02-01 23:50, 2026-02-08 23:50, 2026-02-15 23:50, 2026-02-22 23:50, 2026-03-01 23:50
blocklist.de mail
121.136.135.137 is listed on the blocklist.de mail blacklist.

Description: Blocklist.de feed is a free and voluntary service provided<br>by a Fraud/Abuse-specialist. IPs performing Mail attacks.
Type of feed: primary (feed detail page)

Last checked at: 2026-03-28 05:05:00.587000
Was present on blacklist at: 2026-01-20 11:05, 2026-01-20 17:05, 2026-01-20 23:05, 2026-01-21 05:05, 2026-01-21 11:05, 2026-01-21 17:05, 2026-01-21 23:05, 2026-01-22 05:05, 2026-01-22 11:05, 2026-01-22 17:05, 2026-01-22 23:05, 2026-01-23 05:05, 2026-01-23 11:05, 2026-01-23 17:05, 2026-01-28 11:05, 2026-01-28 17:05, 2026-01-28 23:05, 2026-01-29 05:05, 2026-01-29 11:05, 2026-01-29 17:05, 2026-01-29 23:05, 2026-01-30 05:05, 2026-01-30 11:05, 2026-01-30 17:05, 2026-01-30 23:05, 2026-01-31 05:05, 2026-01-31 11:05, 2026-01-31 17:05, 2026-01-31 23:05, 2026-02-01 05:05, 2026-02-01 11:05, 2026-02-01 17:05, 2026-02-01 23:05, 2026-02-02 05:05, 2026-02-02 11:05, 2026-02-02 17:05, 2026-02-02 23:05, 2026-02-03 05:05, 2026-02-03 23:05, 2026-02-04 05:05, 2026-02-04 11:05, 2026-02-04 17:05, 2026-02-04 23:05, 2026-02-05 05:05, 2026-02-05 11:05, 2026-02-05 17:05, 2026-02-11 11:05, 2026-02-11 17:05, 2026-02-11 23:05, 2026-02-12 05:05, 2026-02-12 11:05, 2026-02-12 17:05, 2026-02-12 23:05, 2026-02-13 05:05, 2026-03-09 11:05, 2026-03-09 17:05, 2026-03-09 23:05, 2026-03-10 05:05, 2026-03-10 11:05, 2026-03-10 17:05, 2026-03-10 23:05, 2026-03-12 17:05, 2026-03-12 23:05, 2026-03-13 05:05, 2026-03-13 11:05, 2026-03-13 17:05, 2026-03-13 23:05, 2026-03-14 05:05, 2026-03-14 11:05, 2026-03-14 17:05, 2026-03-14 23:05, 2026-03-15 05:05, 2026-03-15 11:05, 2026-03-15 17:05, 2026-03-15 23:05, 2026-03-16 05:05, 2026-03-16 11:05, 2026-03-16 17:05, 2026-03-16 23:05, 2026-03-17 05:05, 2026-03-17 23:05, 2026-03-18 05:05, 2026-03-18 11:05, 2026-03-18 17:05, 2026-03-18 23:05, 2026-03-19 05:05, 2026-03-19 11:05, 2026-03-19 17:05, 2026-03-20 17:05, 2026-03-20 23:05, 2026-03-21 05:05, 2026-03-21 11:05, 2026-03-21 17:05, 2026-03-21 23:05, 2026-03-22 05:05, 2026-03-22 11:05, 2026-03-25 17:05, 2026-03-25 23:05, 2026-03-26 05:05, 2026-03-26 11:05, 2026-03-26 17:05, 2026-03-26 23:05, 2026-03-27 05:05, 2026-03-27 11:05, 2026-03-27 17:05, 2026-03-27 23:05, 2026-03-28 05:05
blocklist.de IMAP
121.136.135.137 is listed on the blocklist.de IMAP blacklist.

Description: Blocklist.de feed is a free and voluntary service<br>provided by a Fraud/Abuse-specialist. IPs performing attacks<br>on the Service imap, sasl, pop3.
Type of feed: primary (feed detail page)

Last checked at: 2026-03-22 11:05:05.150000
Was present on blacklist at: 2026-01-20 11:05, 2026-01-20 17:05, 2026-01-20 23:05, 2026-01-21 05:05, 2026-01-21 11:05, 2026-01-21 17:05, 2026-02-11 11:05, 2026-02-11 17:05, 2026-02-11 23:05, 2026-02-12 05:05, 2026-02-12 11:05, 2026-02-12 17:05, 2026-02-12 23:05, 2026-02-13 05:05, 2026-03-09 11:05, 2026-03-09 17:05, 2026-03-09 23:05, 2026-03-10 05:05, 2026-03-10 11:05, 2026-03-10 17:05, 2026-03-10 23:05, 2026-03-14 23:05, 2026-03-15 05:05, 2026-03-17 23:05, 2026-03-18 05:05, 2026-03-18 11:05, 2026-03-18 17:05, 2026-03-18 23:05, 2026-03-19 05:05, 2026-03-19 11:05, 2026-03-19 17:05, 2026-03-20 17:05, 2026-03-20 23:05, 2026-03-21 05:05, 2026-03-21 11:05, 2026-03-21 17:05, 2026-03-21 23:05, 2026-03-22 05:05, 2026-03-22 11:05
Spamhaus SBL CSS
121.136.135.137 is listed on the Spamhaus SBL CSS blacklist.

Description: The Spamhaus CSS is part of the SBL. CSS listings will have return code 127.0.0.3 to differentiate from regular SBL listings, which have return code 127.0.0.2.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-03-01 23:50:00.621000
Was present on blacklist at: 2026-01-11 23:50, 2026-01-18 23:50, 2026-01-25 23:50, 2026-02-01 23:50, 2026-02-15 23:50, 2026-02-22 23:50, 2026-03-01 23:50
DataPlane SMTP greeting
121.136.135.137 is listed on the DataPlane SMTP greeting blacklist.

Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs that are<br>identified as SMTP clients issuing unsolicited HELO or EHLO commands.
Type of feed: primary (feed detail page)

Last checked at: 2026-02-24 15:10:01.297000
Was present on blacklist at: 2026-02-17 19:10, 2026-02-17 23:10, 2026-02-18 03:10, 2026-02-18 07:10, 2026-02-18 11:10, 2026-02-18 15:10, 2026-02-18 19:10, 2026-02-18 23:10, 2026-02-19 03:10, 2026-02-19 07:10, 2026-02-19 11:10, 2026-02-19 15:10, 2026-02-19 19:10, 2026-02-19 23:10, 2026-02-20 03:10, 2026-02-20 07:10, 2026-02-20 11:10, 2026-02-20 15:10, 2026-02-20 19:10, 2026-02-20 23:10, 2026-02-21 03:10, 2026-02-21 07:10, 2026-02-21 11:10, 2026-02-21 15:10, 2026-02-21 19:10, 2026-02-21 23:10, 2026-02-22 03:10, 2026-02-22 07:10, 2026-02-22 11:10, 2026-02-22 15:10, 2026-02-22 19:10, 2026-02-22 23:10, 2026-02-23 03:10, 2026-02-23 07:10, 2026-02-23 11:10, 2026-02-23 15:10, 2026-02-23 19:10, 2026-02-23 23:10, 2026-02-24 03:10, 2026-02-24 07:10, 2026-02-24 11:10, 2026-02-24 15:10
SpamCop
121.136.135.137 was recently listed on the SpamCop blacklist, but currently it is not.

Description: The SpamCop Blocking List (SCBL) lists IP addresses which have transmitted reported email to SpamCop users.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-03-01 23:50:00.621000
Was present on blacklist at: 2026-02-22 23:50

Threat categories

TLRoleCategoryDetails
45 src
36 src login protocol: smtp, ssh
port: 22, 25

Warden events (63)
2026-04-07
AttemptLogin (node.ce2b59): 2
2026-04-04
AttemptLogin (node.ce2b59): 4
2026-04-03
AttemptLogin (node.ce2b59): 1
2026-04-02
AttemptLogin (node.ce2b59): 1
2026-04-01
AttemptLogin (node.ce2b59): 3
2026-03-31
AttemptLogin (node.ce2b59): 2
2026-03-26
IntrusionUserCompromise (node.cfb4f7): 1
2026-03-24
AttemptLogin (node.ce2b59): 7
2026-03-23
AttemptLogin (node.ce2b59): 14
2026-03-22
AttemptLogin (node.ce2b59): 11
2026-03-21
AttemptLogin (node.ce2b59): 1
2026-03-20
IntrusionUserCompromise (node.cfb4f7): 1
2026-03-16
IntrusionUserCompromise (node.cfb4f7): 2
2026-03-15
IntrusionUserCompromise (node.cfb4f7): 2
2026-03-14
IntrusionUserCompromise (node.cfb4f7): 1
2026-03-13
IntrusionUserCompromise (node.cfb4f7): 4
2026-03-12
IntrusionUserCompromise (node.cfb4f7): 1
2026-03-11
IntrusionUserCompromise (node.cfb4f7): 3
2026-02-22
IntrusionUserCompromise (node.cfb4f7): 1
2026-02-02
IntrusionUserCompromise (node.cfb4f7): 1
Origin AS
AS4766 - KIXS-AS-KR KIXS-AS-KR-KR
BGP Prefix
121.136.0.0/13
dshield
[]
geo
South Korea, Yongin-si
🕑 Asia/Seoul
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
121.128.0.0 - 121.159.255.255
last_activity
2026-04-07 06:25:23
last_warden_event
2026-04-07 06:25:23
rep
0.2074404761904762
reserved_range
0
ts_added
2024-08-11 23:49:55.799000
ts_last_update
2026-04-07 07:49:05.442000

Warden event timeline

DShield event timeline

Presence on blacklists