CI Army
51.81.181.161 is listed on the CI Army blacklist.
Description: Collective Intelligence Network Security is a Threat Intelligence<br>database that provides scores for IPs. Source of unspecified malicious attacks<br>most of them will be active attackers/scanners
Type of feed:
primary (
feed detail page)
Last checked at:
2025-04-26 02:50:01.095000
Was present on blacklist at:
2025-01-30 03:50,
2025-02-02 03:50,
2025-02-03 03:50,
2025-02-04 03:50,
2025-02-05 03:50,
2025-02-06 03:50,
2025-02-07 03:50,
2025-02-08 03:50,
2025-02-09 03:50,
2025-02-10 03:50,
2025-02-11 03:50,
2025-02-12 03:50,
2025-02-13 03:50,
2025-02-14 03:50,
2025-02-15 03:50,
2025-02-16 03:50,
2025-02-17 03:50,
2025-02-18 03:50,
2025-02-19 03:50,
2025-02-20 03:50,
2025-02-21 03:50,
2025-02-22 03:50,
2025-02-23 03:50,
2025-02-24 03:50,
2025-02-25 03:50,
2025-02-26 03:50,
2025-02-27 03:50,
2025-03-02 03:50,
2025-03-03 03:50,
2025-03-04 03:50,
2025-03-05 03:50,
2025-03-06 03:50,
2025-03-07 03:50,
2025-03-08 03:50,
2025-03-09 03:50,
2025-03-10 03:50,
2025-03-12 03:50,
2025-03-13 03:50,
2025-03-14 03:50,
2025-03-15 03:50,
2025-03-16 03:50,
2025-03-17 03:50,
2025-03-19 03:50,
2025-03-20 03:50,
2025-03-21 03:50,
2025-03-22 03:50,
2025-03-23 03:50,
2025-03-24 03:50,
2025-03-25 03:50,
2025-03-26 03:50,
2025-03-27 03:50,
2025-04-01 02:50,
2025-04-02 02:50,
2025-04-04 02:50,
2025-04-05 02:50,
2025-04-06 02:50,
2025-04-07 02:50,
2025-04-08 02:50,
2025-04-09 02:50,
2025-04-10 02:50,
2025-04-11 02:50,
2025-04-12 02:50,
2025-04-13 02:50,
2025-04-14 02:50,
2025-04-15 02:50,
2025-04-16 02:50,
2025-04-17 02:50,
2025-04-18 02:50,
2025-04-19 02:50,
2025-04-20 02:50,
2025-04-21 02:50,
2025-04-23 02:50,
2025-04-25 02:50,
2025-04-26 02:50
Turris greylist
51.81.181.161 is listed on the Turris greylist blacklist.
Description: Greylist is the output of the Turris research project by CZ.NIC,<br>which collects data of malicious IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-04-22 21:15:00.198000
Was present on blacklist at:
2025-02-05 22:15,
2025-02-07 22:15,
2025-02-09 22:15,
2025-02-14 22:15,
2025-02-17 22:15,
2025-02-22 22:15,
2025-03-05 22:15,
2025-03-07 22:15,
2025-03-10 22:15,
2025-03-12 22:15,
2025-03-15 22:15,
2025-03-19 22:15,
2025-03-22 22:15,
2025-04-04 21:15,
2025-04-05 21:15,
2025-04-06 21:15,
2025-04-08 21:15,
2025-04-11 21:15,
2025-04-14 21:15,
2025-04-17 21:15,
2025-04-22 21:15
AbuseIPDB
51.81.181.161 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:
2025-04-20 04:00:00.797000
Was present on blacklist at:
2025-02-01 05:00,
2025-02-02 05:00,
2025-02-03 05:00,
2025-02-08 05:00,
2025-02-09 05:00,
2025-02-10 05:00,
2025-02-17 05:00,
2025-02-18 05:00,
2025-02-19 05:00,
2025-02-20 05:00,
2025-02-24 05:00,
2025-03-01 05:00,
2025-03-02 05:00,
2025-03-08 05:00,
2025-03-09 05:00,
2025-03-10 05:00,
2025-03-18 05:00,
2025-03-19 05:00,
2025-03-24 05:00,
2025-04-01 04:00,
2025-04-06 04:00,
2025-04-07 04:00,
2025-04-09 04:00,
2025-04-10 04:00,
2025-04-11 04:00,
2025-04-13 04:00,
2025-04-14 04:00,
2025-04-15 04:00,
2025-04-16 04:00,
2025-04-17 04:00,
2025-04-19 04:00,
2025-04-20 04:00
UCEPROTECT L1
51.81.181.161 is listed on the UCEPROTECT L1 blacklist.
Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-04-28 07:45:00.686000
Was present on blacklist at:
2025-01-27 16:45,
2025-01-28 00:45,
2025-01-28 08:45,
2025-01-28 16:45,
2025-01-29 00:45,
2025-01-29 08:45,
2025-01-29 16:45,
2025-01-30 00:45,
2025-01-30 08:45,
2025-01-30 16:45,
2025-01-31 00:45,
2025-02-05 16:45,
2025-02-06 00:45,
2025-02-06 08:45,
2025-02-06 16:45,
2025-02-07 00:45,
2025-02-07 08:45,
2025-02-07 16:45,
2025-02-08 00:45,
2025-02-08 08:45,
2025-02-08 16:45,
2025-02-09 00:45,
2025-02-09 08:45,
2025-02-09 16:45,
2025-02-10 00:45,
2025-02-10 08:45,
2025-02-10 16:45,
2025-02-13 16:45,
2025-02-14 00:45,
2025-02-14 08:45,
2025-02-14 16:45,
2025-02-15 00:45,
2025-02-15 08:45,
2025-02-15 16:45,
2025-02-16 00:45,
2025-02-16 08:45,
2025-02-16 16:45,
2025-02-17 00:45,
2025-02-17 08:45,
2025-02-17 16:45,
2025-02-18 00:45,
2025-02-18 08:45,
2025-02-18 16:45,
2025-02-19 00:45,
2025-02-19 08:45,
2025-02-19 16:45,
2025-02-20 00:45,
2025-02-20 08:45,
2025-03-09 00:45,
2025-03-09 08:45,
2025-03-09 16:45,
2025-03-10 00:45,
2025-03-10 08:45,
2025-03-10 16:45,
2025-03-11 00:45,
2025-03-11 08:45,
2025-03-11 16:45,
2025-03-12 00:45,
2025-03-12 08:45,
2025-03-12 16:45,
2025-03-13 00:45,
2025-03-13 08:45,
2025-03-13 16:45,
2025-03-14 00:45,
2025-03-14 08:45,
2025-03-14 16:45,
2025-03-15 00:45,
2025-03-15 08:45,
2025-03-21 08:45,
2025-03-21 16:45,
2025-03-22 00:45,
2025-03-22 08:45,
2025-03-22 16:45,
2025-03-23 00:45,
2025-03-23 08:45,
2025-03-23 16:45,
2025-03-24 00:45,
2025-03-24 08:45,
2025-04-02 07:45,
2025-04-02 15:45,
2025-04-02 23:45,
2025-04-03 07:45,
2025-04-03 15:45,
2025-04-04 15:45,
2025-04-04 23:45,
2025-04-05 07:45,
2025-04-05 15:45,
2025-04-05 23:45,
2025-04-06 07:45,
2025-04-06 15:45,
2025-04-06 23:45,
2025-04-07 07:45,
2025-04-07 15:45,
2025-04-07 23:45,
2025-04-08 07:45,
2025-04-08 15:45,
2025-04-08 23:45,
2025-04-09 07:45,
2025-04-09 15:45,
2025-04-09 23:45,
2025-04-10 07:45,
2025-04-10 15:45,
2025-04-10 23:45,
2025-04-11 07:45,
2025-04-11 15:45,
2025-04-11 23:45,
2025-04-12 07:45,
2025-04-12 15:45,
2025-04-12 23:45,
2025-04-13 07:45,
2025-04-13 15:45,
2025-04-13 23:45,
2025-04-14 07:45,
2025-04-14 15:45,
2025-04-14 23:45,
2025-04-15 07:45,
2025-04-17 23:45,
2025-04-18 07:45,
2025-04-18 15:45,
2025-04-18 23:45,
2025-04-19 07:45,
2025-04-19 15:45,
2025-04-19 23:45,
2025-04-20 07:45,
2025-04-20 15:45,
2025-04-20 23:45,
2025-04-21 07:45,
2025-04-21 15:45,
2025-04-21 23:45,
2025-04-22 07:45,
2025-04-22 15:45,
2025-04-22 23:45,
2025-04-23 07:45,
2025-04-23 15:45,
2025-04-23 23:45,
2025-04-24 07:45,
2025-04-24 15:45,
2025-04-24 23:45,
2025-04-25 07:45,
2025-04-25 15:45,
2025-04-25 23:45,
2025-04-26 07:45,
2025-04-26 15:45,
2025-04-26 23:45,
2025-04-27 07:45,
2025-04-27 15:45,
2025-04-27 23:45,
2025-04-28 07:45
DataPlane SMTP greeting
51.81.181.161 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:
2025-04-26 06:10:01.033000
Was present on blacklist at:
2025-02-20 11:10,
2025-02-20 15:10,
2025-02-20 19:10,
2025-02-20 23:10,
2025-02-21 03:10,
2025-02-21 07:10,
2025-02-21 11:10,
2025-02-21 15:10,
2025-02-21 19:10,
2025-02-21 23:10,
2025-02-22 03:10,
2025-02-22 07:10,
2025-02-22 11:10,
2025-02-22 15:10,
2025-02-22 19:10,
2025-02-22 23:10,
2025-02-23 03:10,
2025-02-23 07:10,
2025-02-23 11:10,
2025-02-23 15:10,
2025-02-23 19:10,
2025-02-23 23:10,
2025-02-24 03:10,
2025-02-24 07:10,
2025-02-24 11:10,
2025-02-24 15:10,
2025-02-24 19:10,
2025-02-24 23:10,
2025-02-25 03:10,
2025-02-25 07:10,
2025-02-25 11:10,
2025-02-25 15:10,
2025-02-25 19:10,
2025-02-25 23:10,
2025-02-26 03:10,
2025-02-26 07:10,
2025-02-26 11:10,
2025-02-26 15:10,
2025-02-26 19:10,
2025-02-26 23:10,
2025-02-27 03:10,
2025-02-27 07:10,
2025-02-27 11:10,
2025-02-27 15:10,
2025-02-27 19:10,
2025-02-27 23:10,
2025-02-28 03:10,
2025-02-28 07:10,
2025-02-28 11:10,
2025-02-28 15:10,
2025-02-28 19:10,
2025-02-28 23:10,
2025-03-01 03:10,
2025-03-01 07:10,
2025-03-01 11:10,
2025-03-01 15:10,
2025-03-01 19:10,
2025-03-01 23:10,
2025-03-02 03:10,
2025-03-02 07:10,
2025-03-02 11:10,
2025-03-02 15:10,
2025-03-02 19:10,
2025-03-02 23:10,
2025-03-03 03:10,
2025-03-03 07:10,
2025-03-03 11:10,
2025-03-10 23:10,
2025-03-11 03:10,
2025-03-11 07:10,
2025-03-11 11:10,
2025-03-11 15:10,
2025-03-11 19:10,
2025-03-11 23:10,
2025-03-12 03:10,
2025-03-12 07:10,
2025-03-12 11:10,
2025-03-12 15:10,
2025-03-12 19:10,
2025-03-12 23:10,
2025-03-13 03:10,
2025-03-13 07:10,
2025-03-13 11:10,
2025-03-13 15:10,
2025-03-13 19:10,
2025-03-13 23:10,
2025-03-14 03:10,
2025-03-14 07:10,
2025-03-14 11:10,
2025-03-14 15:10,
2025-03-14 19:10,
2025-03-14 23:10,
2025-03-15 03:10,
2025-03-15 07:10,
2025-03-15 11:10,
2025-03-15 15:10,
2025-03-15 19:10,
2025-03-15 23:10,
2025-03-16 03:10,
2025-03-16 07:10,
2025-03-16 11:10,
2025-03-16 15:10,
2025-03-16 19:10,
2025-03-16 23:10,
2025-03-17 03:10,
2025-03-17 07:10,
2025-03-17 11:10,
2025-03-17 15:10,
2025-03-17 19:10,
2025-03-17 23:10,
2025-03-18 03:10,
2025-03-18 07:10,
2025-03-18 11:10,
2025-03-18 15:10,
2025-03-18 19:10,
2025-03-18 23:10,
2025-03-19 03:10,
2025-03-19 07:10,
2025-03-19 11:10,
2025-03-19 15:10,
2025-03-19 19:10,
2025-03-19 23:10,
2025-03-20 03:10,
2025-03-20 07:10,
2025-03-20 11:10,
2025-03-20 15:10,
2025-03-20 19:10,
2025-03-20 23:10,
2025-03-21 03:10,
2025-03-21 07:10,
2025-03-21 11:10,
2025-03-21 15:10,
2025-03-21 19:10,
2025-03-21 23:10,
2025-03-22 03:10,
2025-03-22 07:10,
2025-03-22 11:10,
2025-03-22 15:10,
2025-03-22 19:10,
2025-03-22 23:10,
2025-03-23 03:10,
2025-03-23 07:10,
2025-03-23 11:10,
2025-03-23 15:10,
2025-03-23 19:10,
2025-03-23 23:10,
2025-03-24 03:10,
2025-03-24 07:10,
2025-03-24 11:10,
2025-03-24 15:10,
2025-03-24 19:10,
2025-03-24 23:10,
2025-03-25 03:10,
2025-03-25 07:10,
2025-03-25 11:10,
2025-03-25 15:10,
2025-03-25 19:10,
2025-03-25 23:10,
2025-03-26 03:10,
2025-03-26 07:10,
2025-03-26 11:10,
2025-03-26 15:10,
2025-03-26 19:10,
2025-03-26 23:10,
2025-03-27 03:10,
2025-03-27 07:10,
2025-03-27 11:10,
2025-03-27 15:10,
2025-03-27 19:10,
2025-03-27 23:10,
2025-03-28 03:10,
2025-03-28 07:10,
2025-03-28 11:10,
2025-03-28 15:10,
2025-03-28 19:10,
2025-03-28 23:10,
2025-03-29 03:10,
2025-03-29 07:10,
2025-03-29 11:10,
2025-03-29 15:10,
2025-03-29 19:10,
2025-03-29 23:10,
2025-03-30 02:10,
2025-04-02 14:10,
2025-04-02 18:10,
2025-04-02 22:10,
2025-04-03 02:10,
2025-04-03 06:10,
2025-04-03 10:10,
2025-04-03 14:10,
2025-04-03 18:10,
2025-04-03 22:10,
2025-04-04 02:10,
2025-04-04 06:10,
2025-04-04 10:10,
2025-04-04 14:10,
2025-04-04 18:10,
2025-04-04 22:10,
2025-04-05 02:10,
2025-04-05 06:10,
2025-04-05 10:10,
2025-04-05 14:10,
2025-04-05 18:10,
2025-04-05 22:10,
2025-04-06 02:10,
2025-04-06 06:10,
2025-04-06 10:10,
2025-04-06 14:10,
2025-04-06 18:10,
2025-04-06 22:10,
2025-04-07 02:10,
2025-04-07 06:10,
2025-04-07 10:10,
2025-04-07 14:10,
2025-04-07 18:10,
2025-04-07 22:10,
2025-04-08 02:10,
2025-04-08 06:10,
2025-04-08 10:10,
2025-04-08 14:10,
2025-04-08 18:10,
2025-04-08 22:10,
2025-04-09 02:10,
2025-04-09 06:10,
2025-04-09 10:10,
2025-04-09 14:10,
2025-04-09 18:10,
2025-04-09 22:10,
2025-04-10 02:10,
2025-04-10 06:10,
2025-04-10 10:10,
2025-04-10 14:10,
2025-04-10 18:10,
2025-04-10 22:10,
2025-04-11 02:10,
2025-04-11 06:10,
2025-04-11 10:10,
2025-04-11 14:10,
2025-04-11 18:10,
2025-04-11 22:10,
2025-04-12 02:10,
2025-04-12 06:10,
2025-04-12 10:10,
2025-04-12 14:10,
2025-04-12 18:10,
2025-04-12 22:10,
2025-04-13 02:10,
2025-04-13 06:10,
2025-04-13 14:10,
2025-04-13 18:10,
2025-04-13 22:10,
2025-04-14 02:10,
2025-04-14 06:10,
2025-04-14 10:10,
2025-04-14 14:10,
2025-04-14 18:10,
2025-04-14 22:10,
2025-04-15 02:10,
2025-04-15 06:10,
2025-04-15 10:10,
2025-04-15 14:10,
2025-04-15 18:10,
2025-04-15 22:10,
2025-04-16 02:10,
2025-04-16 06:10,
2025-04-16 10:10,
2025-04-16 14:10,
2025-04-16 18:10,
2025-04-16 22:10,
2025-04-17 02:10,
2025-04-17 06:10,
2025-04-17 10:10,
2025-04-17 14:10,
2025-04-17 18:10,
2025-04-17 22:10,
2025-04-18 02:10,
2025-04-18 06:10,
2025-04-18 10:10,
2025-04-18 14:10,
2025-04-18 18:10,
2025-04-18 22:10,
2025-04-19 02:10,
2025-04-19 06:10,
2025-04-19 10:10,
2025-04-19 14:10,
2025-04-19 18:10,
2025-04-19 22:10,
2025-04-20 02:10,
2025-04-20 06:10,
2025-04-20 10:10,
2025-04-20 14:10,
2025-04-20 18:10,
2025-04-20 22:10,
2025-04-21 02:10,
2025-04-21 06:10,
2025-04-21 10:10,
2025-04-21 14:10,
2025-04-21 18:10,
2025-04-21 22:10,
2025-04-22 02:10,
2025-04-22 06:10,
2025-04-22 10:10,
2025-04-22 14:10,
2025-04-22 18:10,
2025-04-22 22:10,
2025-04-23 02:10,
2025-04-23 06:10,
2025-04-23 10:10,
2025-04-23 14:10,
2025-04-23 18:10,
2025-04-23 22:10,
2025-04-24 02:10,
2025-04-24 06:10,
2025-04-24 10:10,
2025-04-24 14:10,
2025-04-24 18:10,
2025-04-24 22:10,
2025-04-25 02:10,
2025-04-25 06:10,
2025-04-25 10:10,
2025-04-25 14:10,
2025-04-25 18:10,
2025-04-25 22:10,
2025-04-26 02:10,
2025-04-26 06:10
Spamhaus SBL CSS
51.81.181.161 was recently listed on the Spamhaus SBL CSS blacklist, but currently it is not.
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:
2025-04-26 15:33:40.567000
Was present on blacklist at:
2025-02-22 15:33
Spamhaus XBL CBL
51.81.181.161 was recently listed on the Spamhaus XBL CBL blacklist, but currently it is not.
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:
2025-04-26 15:33:40.567000
Was present on blacklist at:
2025-03-01 15:33,
2025-04-12 15:33,
2025-04-19 15:33
