Spamhaus PBL
116.21.172.51 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:
2025-12-16 20:14:40.430000
Was present on blacklist at:
2025-11-04 20:14,
2025-11-11 20:14,
2025-11-18 20:14,
2025-11-25 20:14,
2025-12-02 20:14,
2025-12-09 20:14,
2025-12-16 20:14
Blocklist.net.ua
116.21.172.51 is listed on the Blocklist.net.ua blacklist.
Description: BlockList contains IP addresses that perform attacks,<br>send spam or brute force passwords to the blocking list.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-12-19 23:15:01.619000
Was present on blacklist at:
2025-11-06 15:15,
2025-11-06 19:15,
2025-11-06 23:15,
2025-11-07 03:15,
2025-11-07 07:15,
2025-11-10 07:15,
2025-11-10 11:15,
2025-11-10 15:15,
2025-11-10 19:15,
2025-11-10 23:15,
2025-11-11 03:15,
2025-11-11 11:15,
2025-11-11 15:15,
2025-11-11 19:15,
2025-11-11 23:15,
2025-11-12 03:15,
2025-11-12 07:15,
2025-11-12 11:15,
2025-11-12 15:15,
2025-11-12 19:15,
2025-11-12 23:15,
2025-11-13 03:15,
2025-11-13 07:15,
2025-11-13 11:15,
2025-11-13 15:15,
2025-11-13 19:15,
2025-11-13 23:15,
2025-11-14 03:15,
2025-11-14 07:15,
2025-11-14 11:15,
2025-11-14 15:15,
2025-11-14 19:15,
2025-11-14 23:15,
2025-11-15 03:15,
2025-11-15 07:15,
2025-11-15 11:15,
2025-11-15 15:15,
2025-11-15 19:15,
2025-11-15 23:15,
2025-11-16 03:15,
2025-11-16 07:15,
2025-11-16 11:15,
2025-11-16 15:15,
2025-11-16 19:15,
2025-11-16 23:15,
2025-11-17 03:15,
2025-11-17 07:15,
2025-11-17 11:15,
2025-11-17 15:15,
2025-11-17 19:15,
2025-11-17 23:15,
2025-11-18 03:15,
2025-11-18 07:15,
2025-11-18 23:15,
2025-11-19 03:15,
2025-11-19 07:15,
2025-11-19 11:15,
2025-11-19 15:15,
2025-11-19 19:15,
2025-11-20 03:15,
2025-11-20 07:15,
2025-11-20 11:15,
2025-11-20 15:15,
2025-11-20 19:15,
2025-11-20 23:15,
2025-11-21 03:15,
2025-11-21 07:15,
2025-11-21 11:15,
2025-11-21 15:15,
2025-11-21 19:15,
2025-11-21 23:15,
2025-11-22 03:15,
2025-11-22 07:15,
2025-11-22 11:15,
2025-11-22 15:15,
2025-11-22 19:15,
2025-11-22 23:15,
2025-11-23 03:15,
2025-11-23 07:15,
2025-11-23 11:15,
2025-11-23 15:15,
2025-11-23 19:15,
2025-11-23 23:15,
2025-11-24 03:15,
2025-11-24 07:15,
2025-11-24 11:15,
2025-11-24 15:15,
2025-11-24 19:15,
2025-11-24 23:15,
2025-11-25 03:15,
2025-11-25 07:15,
2025-11-25 11:15,
2025-11-25 15:15,
2025-11-25 19:15,
2025-11-25 23:15,
2025-11-26 03:15,
2025-11-26 07:15,
2025-11-26 11:15,
2025-11-26 15:15,
2025-11-26 19:15,
2025-11-26 23:15,
2025-11-27 03:15,
2025-11-27 07:15,
2025-11-27 11:15,
2025-11-27 15:15,
2025-11-27 19:15,
2025-11-27 23:15,
2025-11-28 03:15,
2025-11-28 07:15,
2025-11-28 11:15,
2025-11-28 15:15,
2025-11-28 19:15,
2025-11-28 23:15,
2025-11-29 03:15,
2025-11-29 07:15,
2025-11-29 11:15,
2025-11-29 15:15,
2025-11-29 19:15,
2025-11-29 23:15,
2025-11-30 03:15,
2025-11-30 07:15,
2025-11-30 11:15,
2025-11-30 15:15,
2025-11-30 19:15,
2025-11-30 23:15,
2025-12-01 03:15,
2025-12-01 07:15,
2025-12-01 11:15,
2025-12-01 15:15,
2025-12-01 19:15,
2025-12-01 23:15,
2025-12-02 03:15,
2025-12-02 07:15,
2025-12-02 11:15,
2025-12-02 15:15,
2025-12-02 19:15,
2025-12-02 23:15,
2025-12-03 03:15,
2025-12-03 07:15,
2025-12-03 11:15,
2025-12-03 15:15,
2025-12-03 19:15,
2025-12-03 23:15,
2025-12-04 03:15,
2025-12-04 07:15,
2025-12-04 11:15,
2025-12-04 15:15,
2025-12-04 19:15,
2025-12-04 23:15,
2025-12-05 03:15,
2025-12-05 07:15,
2025-12-05 11:15,
2025-12-05 15:15,
2025-12-05 19:15,
2025-12-05 23:15,
2025-12-06 03:15,
2025-12-06 07:15,
2025-12-06 11:15,
2025-12-06 15:15,
2025-12-06 19:15,
2025-12-06 23:15,
2025-12-07 03:15,
2025-12-07 07:15,
2025-12-07 11:15,
2025-12-07 15:15,
2025-12-07 19:15,
2025-12-07 23:15,
2025-12-08 03:15,
2025-12-08 07:15,
2025-12-08 11:15,
2025-12-08 15:15,
2025-12-08 19:15,
2025-12-08 23:15,
2025-12-09 03:15,
2025-12-09 07:15,
2025-12-09 11:15,
2025-12-09 15:15,
2025-12-09 19:15,
2025-12-09 23:15,
2025-12-10 03:15,
2025-12-10 07:15,
2025-12-10 11:15,
2025-12-10 15:15,
2025-12-10 19:15,
2025-12-10 23:15,
2025-12-11 03:15,
2025-12-11 07:15,
2025-12-11 11:15,
2025-12-11 15:15,
2025-12-11 19:15,
2025-12-11 23:15,
2025-12-12 03:15,
2025-12-12 07:15,
2025-12-12 11:15,
2025-12-12 15:15,
2025-12-12 19:15,
2025-12-12 23:15,
2025-12-13 03:15,
2025-12-13 07:15,
2025-12-13 11:15,
2025-12-13 15:15,
2025-12-13 19:15,
2025-12-13 23:15,
2025-12-14 03:15,
2025-12-14 07:15,
2025-12-14 11:15,
2025-12-14 15:15,
2025-12-14 19:15,
2025-12-14 23:15,
2025-12-15 03:15,
2025-12-15 07:15,
2025-12-15 11:15,
2025-12-15 15:15,
2025-12-15 19:15,
2025-12-15 23:15,
2025-12-16 03:15,
2025-12-16 07:15,
2025-12-16 11:15,
2025-12-16 15:15,
2025-12-16 19:15,
2025-12-16 23:15,
2025-12-17 03:15,
2025-12-17 07:15,
2025-12-17 11:15,
2025-12-17 15:15,
2025-12-17 19:15,
2025-12-17 23:15,
2025-12-18 03:15,
2025-12-18 07:15,
2025-12-18 11:15,
2025-12-18 15:15,
2025-12-18 19:15,
2025-12-18 23:15,
2025-12-19 03:15,
2025-12-19 07:15,
2025-12-19 11:15,
2025-12-19 15:15,
2025-12-19 19:15,
2025-12-19 23:15
Turris greylist
116.21.172.51 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:
2025-12-05 22:15:00.193000
Was present on blacklist at:
2025-11-06 22:15,
2025-11-07 22:15,
2025-11-08 22:15,
2025-11-09 22:15,
2025-11-10 22:15,
2025-11-11 22:15,
2025-11-13 22:15,
2025-11-17 22:15,
2025-11-18 22:15,
2025-11-21 22:15,
2025-11-22 22:15,
2025-11-27 22:15,
2025-11-29 22:15,
2025-12-04 22:15,
2025-12-05 22:15
blocklist.de FTP
116.21.172.51 is listed on the blocklist.de FTP 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 FTP.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-12-05 11:05:00.432000
Was present on blacklist at:
2025-11-20 23:05,
2025-11-21 05:05,
2025-11-21 11:05,
2025-11-21 17:05,
2025-11-21 23:05,
2025-11-22 05:05,
2025-11-22 11:05,
2025-12-03 17:05,
2025-12-03 23:05,
2025-12-04 05:05,
2025-12-04 11:05,
2025-12-04 17:05,
2025-12-04 23:05,
2025-12-05 05:05,
2025-12-05 11:05
