IP address


.451121.6.81.59bb121-6-81-59.singnet.com.sg
Shodan(more info)
Passive DNS
Tags: IP in hostname
IP blacklists
Spamhaus SBL CSS
121.6.81.59 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: 2026-07-24 21:35:40.410000
Was present on blacklist at: 2026-05-01 21:35, 2026-05-08 21:35, 2026-05-15 21:35, 2026-05-23 16:06, 2026-05-29 21:35, 2026-06-05 21:35, 2026-06-12 21:35, 2026-06-19 21:35, 2026-06-26 21:35, 2026-07-03 21:35, 2026-07-10 21:35, 2026-07-17 21:35, 2026-07-24 21:35
Spamhaus XBL CBL
121.6.81.59 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: 2026-07-24 21:35:40.410000
Was present on blacklist at: 2026-05-01 21:35, 2026-05-08 21:35, 2026-05-15 21:35, 2026-05-23 16:06, 2026-05-29 21:35, 2026-06-05 21:35, 2026-06-12 21:35, 2026-06-19 21:35, 2026-06-26 21:35, 2026-07-03 21:35, 2026-07-10 21:35, 2026-07-17 21:35, 2026-07-24 21:35
Spamhaus PBL
121.6.81.59 is listed on the Spamhaus PBL blacklist.

Description: The Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-07-24 21:35:40.410000
Was present on blacklist at: 2026-05-01 21:35, 2026-05-08 21:35, 2026-05-15 21:35, 2026-05-23 16:06, 2026-05-29 21:35, 2026-06-19 21:35, 2026-06-26 21:35, 2026-07-03 21:35, 2026-07-10 21:35, 2026-07-17 21:35, 2026-07-24 21:35
blocklist.de IMAP
121.6.81.59 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: 2026-07-27 16:05:00.162000
Was present on blacklist at: 2026-04-28 04:05, 2026-04-28 10:05, 2026-04-28 16:05, 2026-04-28 22:05, 2026-04-29 04:05, 2026-04-29 10:05, 2026-04-29 16:05, 2026-04-29 22:05, 2026-04-30 10:05, 2026-04-30 16:05, 2026-04-30 22:05, 2026-05-01 04:05, 2026-05-01 10:05, 2026-05-01 16:05, 2026-05-01 22:05, 2026-05-02 04:05, 2026-05-02 10:05, 2026-05-02 16:05, 2026-05-02 22:05, 2026-05-03 04:05, 2026-05-03 10:05, 2026-05-03 16:05, 2026-05-03 22:05, 2026-05-04 04:05, 2026-05-04 10:05, 2026-05-04 16:05, 2026-05-04 22:05, 2026-05-05 04:05, 2026-05-05 10:05, 2026-05-05 16:05, 2026-05-06 16:05, 2026-05-06 22:05, 2026-05-07 04:05, 2026-05-07 10:05, 2026-05-07 16:05, 2026-05-07 22:05, 2026-05-08 04:05, 2026-05-08 10:05, 2026-05-08 16:05, 2026-05-08 22:05, 2026-05-09 04:05, 2026-05-09 22:05, 2026-05-10 04:05, 2026-05-10 10:05, 2026-05-10 16:05, 2026-05-10 22:05, 2026-05-11 04:05, 2026-05-11 10:05, 2026-05-11 16:05, 2026-05-11 22:05, 2026-05-12 04:05, 2026-05-12 16:05, 2026-05-12 22:05, 2026-05-13 04:05, 2026-05-13 10:05, 2026-05-13 16:05, 2026-05-13 22:05, 2026-05-14 04:05, 2026-05-14 10:05, 2026-05-15 04:05, 2026-05-15 10:05, 2026-05-15 16:05, 2026-05-15 22:05, 2026-05-16 04:05, 2026-05-16 10:05, 2026-05-16 16:05, 2026-05-16 22:05, 2026-05-17 10:05, 2026-05-17 16:05, 2026-05-17 22:05, 2026-05-18 04:05, 2026-05-18 10:05, 2026-05-18 16:05, 2026-05-18 22:05, 2026-05-19 04:05, 2026-05-19 16:05, 2026-05-19 22:05, 2026-05-20 04:05, 2026-05-20 10:05, 2026-05-20 16:05, 2026-05-20 22:05, 2026-05-21 04:05, 2026-05-21 10:05, 2026-05-21 16:05, 2026-05-21 22:05, 2026-05-22 04:05, 2026-05-22 10:05, 2026-05-24 04:05, 2026-05-24 10:05, 2026-05-24 16:05, 2026-05-24 22:05, 2026-05-25 04:05, 2026-05-25 10:05, 2026-05-25 16:05, 2026-05-25 22:05, 2026-05-26 10:05, 2026-05-26 16:05, 2026-05-26 22:05, 2026-05-27 04:05, 2026-05-27 10:05, 2026-05-27 16:05, 2026-05-27 22:05, 2026-05-28 04:05, 2026-05-28 10:05, 2026-05-28 16:05, 2026-05-28 22:05, 2026-05-29 22:05, 2026-05-30 04:05, 2026-05-30 10:05, 2026-05-30 16:05, 2026-05-30 22:05, 2026-05-31 04:05, 2026-05-31 10:05, 2026-05-31 16:05, 2026-06-01 04:05, 2026-06-01 10:05, 2026-06-01 16:05, 2026-06-01 22:05, 2026-06-02 04:05, 2026-06-02 10:05, 2026-06-02 16:05, 2026-06-02 22:05, 2026-06-03 10:05, 2026-06-03 16:05, 2026-06-03 22:05, 2026-06-04 04:05, 2026-06-04 10:05, 2026-06-04 16:05, 2026-06-04 22:05, 2026-06-05 04:05, 2026-06-05 22:05, 2026-06-06 04:05, 2026-06-06 10:05, 2026-06-06 16:05, 2026-06-06 22:05, 2026-06-07 04:05, 2026-06-07 10:05, 2026-06-07 16:05, 2026-06-08 16:05, 2026-06-08 22:05, 2026-06-09 04:05, 2026-06-09 10:05, 2026-06-09 16:05, 2026-06-09 22:05, 2026-06-10 04:05, 2026-06-10 10:05, 2026-06-10 16:05, 2026-06-10 22:05, 2026-06-11 04:05, 2026-06-11 10:05, 2026-06-11 16:05, 2026-06-13 04:05, 2026-06-13 10:05, 2026-06-13 16:05, 2026-06-13 22:05, 2026-06-14 04:05, 2026-06-14 10:05, 2026-06-14 16:05, 2026-06-14 22:05, 2026-06-15 16:05, 2026-06-15 22:05, 2026-06-16 10:05, 2026-06-16 16:05, 2026-06-16 22:05, 2026-06-17 04:05, 2026-06-17 10:05, 2026-06-17 22:05, 2026-06-18 04:05, 2026-06-18 10:05, 2026-06-18 16:05, 2026-06-18 22:05, 2026-06-19 04:05, 2026-06-19 10:05, 2026-06-19 16:05, 2026-06-20 04:05, 2026-06-20 10:05, 2026-06-20 16:05, 2026-06-20 22:05, 2026-06-21 04:05, 2026-06-21 10:05, 2026-06-21 16:05, 2026-06-21 22:05, 2026-06-22 16:05, 2026-06-22 22:05, 2026-06-23 04:05, 2026-06-23 10:05, 2026-06-23 16:05, 2026-06-23 22:05, 2026-06-24 04:05, 2026-06-24 10:05, 2026-06-24 22:05, 2026-06-25 04:05, 2026-06-25 10:05, 2026-06-25 16:05, 2026-06-25 22:05, 2026-06-26 04:05, 2026-06-26 10:05, 2026-06-27 10:05, 2026-06-27 16:05, 2026-06-27 22:05, 2026-06-28 04:05, 2026-06-28 10:05, 2026-06-28 16:05, 2026-06-28 22:05, 2026-06-29 04:05, 2026-06-29 10:05, 2026-06-29 16:05, 2026-06-29 22:05, 2026-06-30 04:05, 2026-06-30 10:05, 2026-06-30 16:05, 2026-06-30 22:05, 2026-07-01 04:05, 2026-07-01 10:05, 2026-07-01 16:05, 2026-07-01 22:05, 2026-07-02 04:05, 2026-07-02 16:05, 2026-07-02 22:05, 2026-07-03 04:05, 2026-07-03 10:05, 2026-07-03 16:05, 2026-07-03 22:05, 2026-07-04 04:05, 2026-07-04 10:05, 2026-07-04 22:05, 2026-07-05 04:05, 2026-07-05 10:05, 2026-07-05 16:05, 2026-07-05 22:05, 2026-07-06 04:05, 2026-07-06 10:05, 2026-07-06 16:05, 2026-07-07 04:05, 2026-07-07 10:05, 2026-07-07 16:05, 2026-07-07 22:05, 2026-07-08 04:05, 2026-07-08 10:05, 2026-07-08 16:05, 2026-07-08 22:05, 2026-07-09 04:05, 2026-07-09 10:05, 2026-07-09 16:05, 2026-07-09 22:05, 2026-07-10 04:05, 2026-07-10 10:05, 2026-07-11 10:05, 2026-07-11 16:05, 2026-07-11 22:05, 2026-07-12 04:05, 2026-07-12 10:05, 2026-07-12 16:05, 2026-07-12 22:05, 2026-07-13 04:05, 2026-07-13 10:05, 2026-07-13 16:05, 2026-07-14 22:05, 2026-07-15 04:05, 2026-07-15 10:05, 2026-07-15 16:05, 2026-07-15 22:05, 2026-07-16 10:05, 2026-07-16 16:05, 2026-07-16 22:05, 2026-07-17 04:05, 2026-07-17 10:05, 2026-07-17 16:05, 2026-07-17 22:05, 2026-07-18 04:05, 2026-07-18 10:05, 2026-07-18 16:05, 2026-07-18 22:05, 2026-07-19 04:05, 2026-07-20 04:05, 2026-07-20 10:05, 2026-07-20 16:05, 2026-07-20 22:05, 2026-07-21 04:05, 2026-07-21 10:05, 2026-07-21 16:05, 2026-07-21 22:05, 2026-07-22 04:05, 2026-07-22 10:05, 2026-07-22 16:05, 2026-07-22 22:05, 2026-07-23 04:05, 2026-07-23 10:05, 2026-07-23 16:05, 2026-07-23 22:05, 2026-07-24 04:05, 2026-07-25 10:05, 2026-07-25 16:05, 2026-07-25 22:05, 2026-07-26 04:05, 2026-07-26 10:05, 2026-07-26 16:05, 2026-07-26 22:05, 2026-07-27 04:05, 2026-07-27 10:05, 2026-07-27 16:05
blocklist.de mail
121.6.81.59 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: 2026-07-27 16:05:00.375000
Was present on blacklist at: 2026-04-28 04:05, 2026-04-28 10:05, 2026-04-28 16:05, 2026-04-28 22:05, 2026-04-29 04:05, 2026-04-29 10:05, 2026-04-29 16:05, 2026-04-29 22:05, 2026-04-30 10:05, 2026-04-30 16:05, 2026-04-30 22:05, 2026-05-01 04:05, 2026-05-01 10:05, 2026-05-01 16:05, 2026-05-01 22:05, 2026-05-02 04:05, 2026-05-02 10:05, 2026-05-02 16:05, 2026-05-02 22:05, 2026-05-03 04:05, 2026-05-03 10:05, 2026-05-03 16:05, 2026-05-03 22:05, 2026-05-04 04:05, 2026-05-04 10:05, 2026-05-04 16:05, 2026-05-04 22:05, 2026-05-05 04:05, 2026-05-05 10:05, 2026-05-05 16:05, 2026-05-06 16:05, 2026-05-06 22:05, 2026-05-07 04:05, 2026-05-07 10:05, 2026-05-07 16:05, 2026-05-07 22:05, 2026-05-08 04:05, 2026-05-08 10:05, 2026-05-08 16:05, 2026-05-08 22:05, 2026-05-09 04:05, 2026-05-09 22:05, 2026-05-10 04:05, 2026-05-10 10:05, 2026-05-10 16:05, 2026-05-10 22:05, 2026-05-11 04:05, 2026-05-11 10:05, 2026-05-11 16:05, 2026-05-11 22:05, 2026-05-12 04:05, 2026-05-12 16:05, 2026-05-12 22:05, 2026-05-13 04:05, 2026-05-13 10:05, 2026-05-13 16:05, 2026-05-13 22:05, 2026-05-14 04:05, 2026-05-14 10:05, 2026-05-15 04:05, 2026-05-15 10:05, 2026-05-15 16:05, 2026-05-15 22:05, 2026-05-16 04:05, 2026-05-16 10:05, 2026-05-16 16:05, 2026-05-16 22:05, 2026-05-17 10:05, 2026-05-17 16:05, 2026-05-17 22:05, 2026-05-18 04:05, 2026-05-18 10:05, 2026-05-18 16:05, 2026-05-18 22:05, 2026-05-19 04:05, 2026-05-19 16:05, 2026-05-19 22:05, 2026-05-20 04:05, 2026-05-20 10:05, 2026-05-20 16:05, 2026-05-20 22:05, 2026-05-21 04:05, 2026-05-21 10:05, 2026-05-21 16:05, 2026-05-21 22:05, 2026-05-22 04:05, 2026-05-22 10:05, 2026-05-24 04:05, 2026-05-24 10:05, 2026-05-24 16:05, 2026-05-24 22:05, 2026-05-25 04:05, 2026-05-25 10:05, 2026-05-25 16:05, 2026-05-25 22:05, 2026-05-26 10:05, 2026-05-26 16:05, 2026-05-26 22:05, 2026-05-27 04:05, 2026-05-27 10:05, 2026-05-27 16:05, 2026-05-27 22:05, 2026-05-28 04:05, 2026-05-28 10:05, 2026-05-28 16:05, 2026-05-28 22:05, 2026-05-29 22:05, 2026-05-30 04:05, 2026-05-30 10:05, 2026-05-30 16:05, 2026-05-30 22:05, 2026-05-31 04:05, 2026-05-31 10:05, 2026-05-31 16:05, 2026-06-01 04:05, 2026-06-01 10:05, 2026-06-01 16:05, 2026-06-01 22:05, 2026-06-02 04:05, 2026-06-02 10:05, 2026-06-02 16:05, 2026-06-02 22:05, 2026-06-03 10:05, 2026-06-03 16:05, 2026-06-03 22:05, 2026-06-04 04:05, 2026-06-04 10:05, 2026-06-04 16:05, 2026-06-04 22:05, 2026-06-05 04:05, 2026-06-05 22:05, 2026-06-06 04:05, 2026-06-06 10:05, 2026-06-06 16:05, 2026-06-06 22:05, 2026-06-07 04:05, 2026-06-07 10:05, 2026-06-07 16:05, 2026-06-08 16:05, 2026-06-08 22:05, 2026-06-09 04:05, 2026-06-09 10:05, 2026-06-09 16:05, 2026-06-09 22:05, 2026-06-10 04:05, 2026-06-10 10:05, 2026-06-10 16:05, 2026-06-10 22:05, 2026-06-11 04:05, 2026-06-11 10:05, 2026-06-11 16:05, 2026-06-13 04:05, 2026-06-13 10:05, 2026-06-13 16:05, 2026-06-13 22:05, 2026-06-14 04:05, 2026-06-14 10:05, 2026-06-14 16:05, 2026-06-14 22:05, 2026-06-15 16:05, 2026-06-15 22:05, 2026-06-16 10:05, 2026-06-16 16:05, 2026-06-16 22:05, 2026-06-17 04:05, 2026-06-17 10:05, 2026-06-17 22:05, 2026-06-18 04:05, 2026-06-18 10:05, 2026-06-18 16:05, 2026-06-18 22:05, 2026-06-19 04:05, 2026-06-19 10:05, 2026-06-19 16:05, 2026-06-20 04:05, 2026-06-20 10:05, 2026-06-20 16:05, 2026-06-20 22:05, 2026-06-21 04:05, 2026-06-21 10:05, 2026-06-21 16:05, 2026-06-21 22:05, 2026-06-22 16:05, 2026-06-22 22:05, 2026-06-23 04:05, 2026-06-23 10:05, 2026-06-23 16:05, 2026-06-23 22:05, 2026-06-24 04:05, 2026-06-24 10:05, 2026-06-24 16:05, 2026-06-24 22:05, 2026-06-25 04:05, 2026-06-25 10:05, 2026-06-25 16:05, 2026-06-25 22:05, 2026-06-26 04:05, 2026-06-26 10:05, 2026-06-27 10:05, 2026-06-27 16:05, 2026-06-27 22:05, 2026-06-28 04:05, 2026-06-28 10:05, 2026-06-28 16:05, 2026-06-28 22:05, 2026-06-29 04:05, 2026-06-29 10:05, 2026-06-29 16:05, 2026-06-29 22:05, 2026-06-30 04:05, 2026-06-30 10:05, 2026-06-30 16:05, 2026-06-30 22:05, 2026-07-01 04:05, 2026-07-01 10:05, 2026-07-01 16:05, 2026-07-01 22:05, 2026-07-02 04:05, 2026-07-02 16:05, 2026-07-02 22:05, 2026-07-03 04:05, 2026-07-03 10:05, 2026-07-03 16:05, 2026-07-03 22:05, 2026-07-04 04:05, 2026-07-04 10:05, 2026-07-04 22:05, 2026-07-05 04:05, 2026-07-05 10:05, 2026-07-05 16:05, 2026-07-05 22:05, 2026-07-06 04:05, 2026-07-06 10:05, 2026-07-06 16:05, 2026-07-07 04:05, 2026-07-07 10:05, 2026-07-07 16:05, 2026-07-07 22:05, 2026-07-08 04:05, 2026-07-08 10:05, 2026-07-08 16:05, 2026-07-08 22:05, 2026-07-09 04:05, 2026-07-09 10:05, 2026-07-09 16:05, 2026-07-09 22:05, 2026-07-10 04:05, 2026-07-10 10:05, 2026-07-11 10:05, 2026-07-11 16:05, 2026-07-11 22:05, 2026-07-12 04:05, 2026-07-12 10:05, 2026-07-12 16:05, 2026-07-12 22:05, 2026-07-13 04:05, 2026-07-13 10:05, 2026-07-13 16:05, 2026-07-14 22:05, 2026-07-15 04:05, 2026-07-15 10:05, 2026-07-15 16:05, 2026-07-15 22:05, 2026-07-16 10:05, 2026-07-16 16:05, 2026-07-16 22:05, 2026-07-17 04:05, 2026-07-17 10:05, 2026-07-17 16:05, 2026-07-17 22:05, 2026-07-18 04:05, 2026-07-18 10:05, 2026-07-18 16:05, 2026-07-18 22:05, 2026-07-19 04:05, 2026-07-20 04:05, 2026-07-20 10:05, 2026-07-20 16:05, 2026-07-20 22:05, 2026-07-21 04:05, 2026-07-21 10:05, 2026-07-21 16:05, 2026-07-21 22:05, 2026-07-22 04:05, 2026-07-22 10:05, 2026-07-22 16:05, 2026-07-22 22:05, 2026-07-23 04:05, 2026-07-23 10:05, 2026-07-23 16:05, 2026-07-23 22:05, 2026-07-24 04:05, 2026-07-25 10:05, 2026-07-25 16:05, 2026-07-25 22:05, 2026-07-26 04:05, 2026-07-26 10:05, 2026-07-26 16:05, 2026-07-26 22:05, 2026-07-27 04:05, 2026-07-27 10:05, 2026-07-27 16:05
UCEPROTECT L1
121.6.81.59 is listed on the UCEPROTECT L1 blacklist.

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

Last checked at: 2026-07-27 15:45:00.493000
Was present on blacklist at: 2026-04-27 23:45, 2026-04-28 07:45, 2026-04-28 15:45, 2026-04-28 23:45, 2026-04-29 07:45, 2026-04-29 15:45, 2026-04-29 23:45, 2026-04-30 07:45, 2026-04-30 15:45, 2026-04-30 23:45, 2026-05-01 07:45, 2026-05-01 15:45, 2026-05-01 23:45, 2026-05-02 07:45, 2026-05-02 15:45, 2026-05-02 23:45, 2026-05-03 07:45, 2026-05-03 15:45, 2026-05-03 23:45, 2026-05-04 07:45, 2026-05-04 15:45, 2026-05-04 23:45, 2026-05-05 07:45, 2026-05-05 15:45, 2026-05-05 23:45, 2026-05-06 07:45, 2026-05-06 15:45, 2026-05-06 23:45, 2026-05-07 07:45, 2026-05-07 15:45, 2026-05-07 23:45, 2026-05-08 07:45, 2026-05-08 15:45, 2026-05-08 23:45, 2026-05-09 07:45, 2026-05-09 15:45, 2026-05-09 23:45, 2026-05-10 07:45, 2026-05-10 15:45, 2026-05-10 23:45, 2026-05-11 07:45, 2026-05-11 15:45, 2026-05-11 23:45, 2026-05-12 07:45, 2026-05-12 15:45, 2026-05-12 23:45, 2026-05-13 07:45, 2026-05-13 15:45, 2026-05-13 23:45, 2026-05-14 07:45, 2026-05-14 15:45, 2026-05-14 23:45, 2026-05-15 07:45, 2026-05-15 15:45, 2026-05-15 23:45, 2026-05-16 07:45, 2026-05-16 15:45, 2026-05-16 23:45, 2026-05-17 07:45, 2026-05-17 15:45, 2026-05-17 23:45, 2026-05-18 07:45, 2026-05-18 15:45, 2026-05-18 23:45, 2026-05-19 07:45, 2026-05-19 15:45, 2026-05-19 23:45, 2026-05-20 07:45, 2026-05-20 15:45, 2026-05-20 23:45, 2026-05-21 07:45, 2026-05-21 15:45, 2026-05-21 23:45, 2026-05-22 07:45, 2026-05-23 15:45, 2026-05-23 23:45, 2026-05-24 07:45, 2026-05-24 15:45, 2026-05-24 23:45, 2026-05-25 07:45, 2026-05-25 15:45, 2026-05-25 23:45, 2026-05-26 07:45, 2026-05-26 15:45, 2026-05-26 23:45, 2026-05-27 07:45, 2026-05-27 15:45, 2026-05-27 23:45, 2026-05-28 07:45, 2026-05-28 15:45, 2026-05-28 23:45, 2026-05-29 07:45, 2026-05-29 15:45, 2026-05-29 23:45, 2026-05-30 07:45, 2026-05-30 15:45, 2026-05-30 23:45, 2026-05-31 07:45, 2026-05-31 15:45, 2026-05-31 23:45, 2026-06-01 07:45, 2026-06-01 15:45, 2026-06-01 23:45, 2026-06-02 07:45, 2026-06-02 15:45, 2026-06-02 23:45, 2026-06-03 07:45, 2026-06-03 15:45, 2026-06-03 23:45, 2026-06-04 07:45, 2026-06-04 15:45, 2026-06-04 23:45, 2026-06-05 07:45, 2026-06-05 15:45, 2026-06-05 23:45, 2026-06-06 07:45, 2026-06-06 15:45, 2026-06-06 23:45, 2026-06-07 07:45, 2026-06-07 15:45, 2026-06-07 23:45, 2026-06-08 07:45, 2026-06-08 15:45, 2026-06-08 23:45, 2026-06-09 07:45, 2026-06-09 15:45, 2026-06-09 23:45, 2026-06-10 07:45, 2026-06-10 15:45, 2026-06-10 23:45, 2026-06-11 07:45, 2026-06-11 15:45, 2026-06-11 23:45, 2026-06-12 07:45, 2026-06-12 15:45, 2026-06-12 23:45, 2026-06-13 07:45, 2026-06-13 15:45, 2026-06-13 23:45, 2026-06-14 07:45, 2026-06-14 15:45, 2026-06-14 23:45, 2026-06-15 07:45, 2026-06-15 15:45, 2026-06-15 23:45, 2026-06-16 07:45, 2026-06-16 15:45, 2026-06-16 23:45, 2026-06-17 07:45, 2026-06-17 15:45, 2026-06-17 23:45, 2026-06-18 15:45, 2026-06-18 23:45, 2026-06-19 07:45, 2026-06-19 15:45, 2026-06-19 23:45, 2026-06-20 07:45, 2026-06-20 15:45, 2026-06-20 23:45, 2026-06-21 07:45, 2026-06-21 15:45, 2026-06-21 23:45, 2026-06-22 07:45, 2026-06-22 15:45, 2026-06-22 23:45, 2026-06-23 07:45, 2026-06-23 15:45, 2026-06-23 23:45, 2026-06-24 07:45, 2026-06-24 15:45, 2026-06-24 23:45, 2026-06-25 07:45, 2026-06-25 15:45, 2026-06-25 23:45, 2026-06-26 07:45, 2026-06-26 15:45, 2026-06-26 23:45, 2026-06-27 07:45, 2026-06-27 15:45, 2026-06-27 23:45, 2026-06-28 07:45, 2026-06-28 15:45, 2026-06-28 23:45, 2026-06-29 07:45, 2026-06-29 15:45, 2026-06-29 23:45, 2026-06-30 07:45, 2026-06-30 15:45, 2026-06-30 23:45, 2026-07-01 07:45, 2026-07-01 15:45, 2026-07-01 23:45, 2026-07-02 07:45, 2026-07-02 15:45, 2026-07-02 23:45, 2026-07-03 07:45, 2026-07-03 15:45, 2026-07-03 23:45, 2026-07-04 07:45, 2026-07-04 15:45, 2026-07-04 23:45, 2026-07-05 07:45, 2026-07-05 15:45, 2026-07-05 23:45, 2026-07-06 07:45, 2026-07-06 15:45, 2026-07-06 23:45, 2026-07-07 07:45, 2026-07-07 15:45, 2026-07-07 23:45, 2026-07-08 07:45, 2026-07-08 15:45, 2026-07-08 23:45, 2026-07-09 07:45, 2026-07-09 15:45, 2026-07-09 23:45, 2026-07-10 07:45, 2026-07-10 15:45, 2026-07-10 23:45, 2026-07-11 07:45, 2026-07-11 15:45, 2026-07-11 23:45, 2026-07-12 07:45, 2026-07-12 15:45, 2026-07-12 23:45, 2026-07-13 07:45, 2026-07-13 15:45, 2026-07-13 23:45, 2026-07-14 07:45, 2026-07-14 15:45, 2026-07-14 23:45, 2026-07-15 07:45, 2026-07-15 15:45, 2026-07-15 23:45, 2026-07-16 15:45, 2026-07-16 23:45, 2026-07-17 07:45, 2026-07-17 15:45, 2026-07-17 23:45, 2026-07-18 07:45, 2026-07-18 15:45, 2026-07-18 23:45, 2026-07-19 07:45, 2026-07-19 15:45, 2026-07-19 23:45, 2026-07-20 07:45, 2026-07-20 15:45, 2026-07-20 23:45, 2026-07-21 07:45, 2026-07-21 15:45, 2026-07-21 23:45, 2026-07-22 07:45, 2026-07-22 15:45, 2026-07-22 23:45, 2026-07-23 07:45, 2026-07-23 15:45, 2026-07-23 23:45, 2026-07-24 07:45, 2026-07-24 15:45, 2026-07-24 23:45, 2026-07-25 07:45, 2026-07-25 15:45, 2026-07-25 23:45, 2026-07-26 07:45, 2026-07-26 15:45, 2026-07-26 23:45, 2026-07-27 07:45, 2026-07-27 15:45
AbuseIPDB
121.6.81.59 is listed on the AbuseIPDB blacklist.

Description: AbuseIPDB is a project managed by Marathon Studios Inc.<br>Lists IPs performing a malicious activity (DDoS, spam, phishing...)
Type of feed: primary (feed detail page)

Last checked at: 2026-07-26 04:00:00.570000
Was present on blacklist at: 2026-04-28 04:00, 2026-05-02 04:00, 2026-05-22 04:00, 2026-05-26 04:00, 2026-05-29 04:00, 2026-06-05 04:00, 2026-06-06 04:00, 2026-06-21 04:00, 2026-06-27 04:00, 2026-07-03 04:00, 2026-07-05 04:00, 2026-07-06 04:00, 2026-07-18 04:00, 2026-07-21 04:00, 2026-07-23 04:00, 2026-07-26 04:00
SpamCop
121.6.81.59 is listed on the SpamCop blacklist.

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: 2026-07-24 21:35:40.410000
Was present on blacklist at: 2026-05-01 21:35, 2026-05-08 21:35, 2026-05-15 21:35, 2026-05-23 16:06, 2026-05-29 21:35, 2026-06-05 21:35, 2026-06-12 21:35, 2026-06-19 21:35, 2026-06-26 21:35, 2026-07-03 21:35, 2026-07-10 21:35, 2026-07-17 21:35, 2026-07-24 21:35

Threat categories

TLRoleCategoryDetails
50 src
43 src login protocol: smtp
port: 25

Warden events (234)
2026-07-27
IntrusionUserCompromise (node.cfb4f7): 4
2026-07-26
IntrusionUserCompromise (node.cfb4f7): 2
2026-07-25
IntrusionUserCompromise (node.cfb4f7): 8
2026-07-24
IntrusionUserCompromise (node.cfb4f7): 2
2026-07-23
IntrusionUserCompromise (node.cfb4f7): 5
2026-07-22
IntrusionUserCompromise (node.cfb4f7): 4
2026-07-21
IntrusionUserCompromise (node.cfb4f7): 3
2026-07-20
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-19
IntrusionUserCompromise (node.cfb4f7): 32
2026-07-17
IntrusionUserCompromise (node.cfb4f7): 14
2026-07-16
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-15
IntrusionUserCompromise (node.cfb4f7): 2
2026-07-14
IntrusionUserCompromise (node.cfb4f7): 5
2026-07-13
IntrusionUserCompromise (node.cfb4f7): 4
2026-07-12
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-11
IntrusionUserCompromise (node.cfb4f7): 6
2026-07-10
IntrusionUserCompromise (node.cfb4f7): 2
2026-07-09
IntrusionUserCompromise (node.cfb4f7): 5
2026-07-08
IntrusionUserCompromise (node.cfb4f7): 3
2026-07-07
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-06
IntrusionUserCompromise (node.cfb4f7): 7
2026-07-05
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-04
IntrusionUserCompromise (node.cfb4f7): 5
2026-07-03
IntrusionUserCompromise (node.cfb4f7): 1
2026-07-01
IntrusionUserCompromise (node.cfb4f7): 5
2026-06-30
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-28
IntrusionUserCompromise (node.cfb4f7): 3
2026-06-27
IntrusionUserCompromise (node.cfb4f7): 2
2026-06-26
IntrusionUserCompromise (node.cfb4f7): 7
2026-06-25
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-24
IntrusionUserCompromise (node.cfb4f7): 2
2026-06-23
IntrusionUserCompromise (node.cfb4f7): 3
2026-06-21
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-20
IntrusionUserCompromise (node.cfb4f7): 3
2026-06-19
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-18
IntrusionUserCompromise (node.cfb4f7): 3
2026-06-17
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-16
IntrusionUserCompromise (node.cfb4f7): 4
2026-06-14
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-12
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-11
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-10
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-09
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-08
IntrusionUserCompromise (node.cfb4f7): 1
2026-06-06
IntrusionUserCompromise (node.cfb4f7): 3
2026-06-05
IntrusionUserCompromise (node.cfb4f7): 2
2026-06-04
IntrusionUserCompromise (node.cfb4f7): 6
2026-06-01
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-29
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-28
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-27
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-25
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-24
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-23
IntrusionUserCompromise (node.cfb4f7): 3
2026-05-21
IntrusionUserCompromise (node.cfb4f7): 3
2026-05-20
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-19
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-18
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-17
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-16
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-15
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-14
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-13
IntrusionUserCompromise (node.cfb4f7): 5
2026-05-12
IntrusionUserCompromise (node.cfb4f7): 3
2026-05-05
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-04
IntrusionUserCompromise (node.cfb4f7): 1
2026-05-03
IntrusionUserCompromise (node.cfb4f7): 3
2026-05-02
IntrusionUserCompromise (node.cfb4f7): 6
2026-05-01
IntrusionUserCompromise (node.cfb4f7): 2
2026-04-30
IntrusionUserCompromise (node.cfb4f7): 2
2026-04-29
IntrusionUserCompromise (node.cfb4f7): 1
2026-04-28
IntrusionUserCompromise (node.cfb4f7): 9
2026-04-27
IntrusionUserCompromise (node.cfb4f7): 3
Origin AS
AS9506 - SINGTEL-FIBRE
BGP Prefix
121.6.0.0/17
geo
Singapore, Singapore
🕑 Asia/Singapore
hostname
bb121-6-81-59.singnet.com.sg
hostname_class
['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database)
121.6.0.0 - 121.6.255.255
last_activity
2026-07-27 10:30:14
last_warden_event
2026-07-27 10:30:14
rep
0.45062309665716915
reserved_range
0
Shodan's InternetDB
Open ports: 80, 1194, 1701, 1723, 7547, 8443
Tags: vpn
CPEs: –
ts_added
2025-01-17 21:35:38.665000
ts_last_update
2026-07-27 16:06:18.465000

Warden event timeline

DShield event timeline

Presence on blacklists