DataPlane SMTP data
178.16.52.21 is listed on the DataPlane SMTP data blacklist.
Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IP addresses that <br>have been identified as SMTP clients sending unsolicited DATA commands.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-10-15 06:10:00.565000
Was present on blacklist at:
2025-10-03 02:10,
2025-10-03 06:10,
2025-10-03 10:10,
2025-10-03 14:10,
2025-10-03 18:10,
2025-10-03 22:10,
2025-10-04 02:10,
2025-10-04 06:10,
2025-10-04 10:10,
2025-10-04 14:10,
2025-10-04 18:10,
2025-10-04 22:10,
2025-10-05 02:10,
2025-10-05 06:10,
2025-10-05 14:10,
2025-10-05 18:10,
2025-10-06 02:10,
2025-10-06 06:10,
2025-10-06 14:10,
2025-10-06 18:10,
2025-10-07 02:10,
2025-10-07 06:10,
2025-10-07 14:10,
2025-10-07 18:10,
2025-10-08 02:10,
2025-10-08 06:10,
2025-10-08 14:10,
2025-10-08 18:10,
2025-10-09 02:10,
2025-10-09 06:10,
2025-10-09 14:10,
2025-10-09 18:10,
2025-10-10 02:10,
2025-10-10 06:10,
2025-10-10 14:10,
2025-10-10 18:10,
2025-10-10 22:10,
2025-10-11 02:10,
2025-10-11 06:10,
2025-10-11 14:10,
2025-10-11 18:10,
2025-10-12 02:10,
2025-10-12 06:10,
2025-10-12 14:10,
2025-10-12 18:10,
2025-10-13 02:10,
2025-10-13 06:10,
2025-10-13 14:10,
2025-10-13 18:10,
2025-10-14 02:10,
2025-10-14 06:10,
2025-10-14 14:10,
2025-10-14 18:10,
2025-10-14 22:10,
2025-10-15 02:10,
2025-10-15 06:10
Spamhaus SBL
178.16.52.21 is listed on the Spamhaus SBL blacklist.
Description: The Spamhaus Block List ("SBL") Advisory is a database of IP addresses from which Spamhaus does not recommend the acceptance of electronic mail.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-10-10 02:10:44.369000
Was present on blacklist at:
2025-10-03 02:10,
2025-10-10 02:10
Spamhaus DROP
178.16.52.21 is listed on the Spamhaus DROP blacklist.
Description: Spamhaus DROP (Don't Route Or Peer) list. Netblocks controlled by spammers or cyber criminals. The DROP lists are a tiny subset of the SBL, designed for use by firewalls and routing equipment to filter out the malicious traffic from these netblocks.
Type of feed:
secondary (DNSBL) (
feed detail page)
Last checked at:
2025-10-10 02:10:44.369000
Was present on blacklist at:
2025-10-03 02:10,
2025-10-10 02:10
UCEPROTECT L1
178.16.52.21 is listed on the UCEPROTECT L1 blacklist.
Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-10-10 07:45:00.503000
Was present on blacklist at:
2025-10-03 15:45,
2025-10-03 23:45,
2025-10-04 07:45,
2025-10-04 15:45,
2025-10-04 23:45,
2025-10-05 07:45,
2025-10-05 15:45,
2025-10-05 23:45,
2025-10-06 07:45,
2025-10-06 15:45,
2025-10-06 23:45,
2025-10-07 07:45,
2025-10-07 15:45,
2025-10-07 23:45,
2025-10-08 07:45,
2025-10-08 15:45,
2025-10-08 23:45,
2025-10-09 07:45,
2025-10-09 15:45,
2025-10-09 23:45,
2025-10-10 07:45
Turris greylist
178.16.52.21 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:
2025-10-14 21:15:00.176000
Was present on blacklist at:
2025-10-05 21:15,
2025-10-14 21:15
Spamhaus XBL CBL
178.16.52.21 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:
2025-10-10 02:10:44.369000
Was present on blacklist at:
2025-10-10 02:10
