UCEPROTECT L1
50.6.172.21 is listed on the UCEPROTECT L1 blacklist.
Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2026-09-19 23:45:00.805000
Was present on blacklist at:
2026-08-12 15:45,
2026-08-13 07:45,
2026-08-13 15:45,
2026-08-13 23:45,
2026-08-14 07:45,
2026-08-14 15:45,
2026-08-14 23:45,
2026-08-15 07:45,
2026-08-15 15:45,
2026-08-15 23:45,
2026-08-16 07:45,
2026-08-16 15:45,
2026-08-16 23:45,
2026-08-17 07:45,
2026-08-17 15:45,
2026-08-17 23:45,
2026-08-18 07:45,
2026-08-18 15:45,
2026-08-18 23:45,
2026-08-19 07:45,
2026-08-19 15:45,
2026-08-19 23:45,
2026-08-20 07:45,
2026-08-20 15:45,
2026-08-20 23:45,
2026-08-21 07:45,
2026-08-21 15:45,
2026-08-22 07:45,
2026-08-22 15:45,
2026-08-22 23:45,
2026-08-23 07:45,
2026-08-23 15:45,
2026-08-23 23:45,
2026-08-24 07:45,
2026-08-24 15:45,
2026-08-24 23:45,
2026-08-25 07:45,
2026-08-25 15:45,
2026-08-25 23:45,
2026-08-26 07:45,
2026-08-26 15:45,
2026-08-26 23:45,
2026-08-27 07:45,
2026-08-27 15:45,
2026-08-27 23:45,
2026-08-28 07:45,
2026-08-28 15:45,
2026-08-28 23:45,
2026-08-29 07:45,
2026-08-29 15:45,
2026-08-29 23:45,
2026-08-30 07:45,
2026-08-30 23:45,
2026-08-31 07:45,
2026-08-31 15:45,
2026-08-31 23:45,
2026-09-01 07:45,
2026-09-01 15:45,
2026-09-01 23:45,
2026-09-02 07:45,
2026-09-02 15:45,
2026-09-02 23:45,
2026-09-03 23:45,
2026-09-04 07:45,
2026-09-04 15:45,
2026-09-04 23:45,
2026-09-05 07:45,
2026-09-05 15:45,
2026-09-05 23:45,
2026-09-06 07:45,
2026-09-06 23:45,
2026-09-07 15:45,
2026-09-07 23:45,
2026-09-08 07:45,
2026-09-08 15:45,
2026-09-08 23:45,
2026-09-09 07:45,
2026-09-09 15:45,
2026-09-09 23:45,
2026-09-10 07:45,
2026-09-10 15:45,
2026-09-11 07:45,
2026-09-11 15:45,
2026-09-11 23:45,
2026-09-12 07:45,
2026-09-12 23:45,
2026-09-13 07:45,
2026-09-13 15:45,
2026-09-13 23:45,
2026-09-14 07:45,
2026-09-14 15:45,
2026-09-14 23:45,
2026-09-15 15:45,
2026-09-15 23:45,
2026-09-16 07:45,
2026-09-16 15:45,
2026-09-16 23:45,
2026-09-17 07:45,
2026-09-17 15:45,
2026-09-17 23:45,
2026-09-18 07:45,
2026-09-18 15:45,
2026-09-18 23:45,
2026-09-19 07:45,
2026-09-19 15:45,
2026-09-19 23:45
SpamCop
50.6.172.21 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:
2026-09-16 16:16:54.588000
Was present on blacklist at:
2026-08-12 16:16
PSBL
50.6.172.21 is listed on the PSBL blacklist.
Description: The Passive Spam Block List uses the Spamikaze software to detect spam IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2026-09-12 23:45:00.303000
Was present on blacklist at:
2026-08-13 23:45,
2026-08-14 07:45,
2026-08-14 15:45,
2026-08-14 23:45,
2026-08-15 07:45,
2026-08-15 15:45,
2026-08-15 23:45,
2026-08-16 07:45,
2026-08-16 15:45,
2026-08-16 23:45,
2026-08-17 07:45,
2026-08-17 15:45,
2026-08-17 23:45,
2026-08-18 07:45,
2026-08-18 15:45,
2026-08-18 23:45,
2026-08-19 07:45,
2026-08-19 15:45,
2026-08-19 23:45,
2026-08-20 07:45,
2026-08-20 15:45,
2026-08-20 23:45,
2026-08-21 07:45,
2026-08-21 15:45,
2026-08-21 23:45,
2026-08-22 07:45,
2026-08-22 15:45,
2026-08-22 23:45,
2026-08-23 07:45,
2026-08-23 15:45,
2026-08-23 23:45,
2026-08-24 07:45,
2026-08-24 15:45,
2026-08-24 23:45,
2026-08-25 07:45,
2026-08-25 15:45,
2026-08-25 23:45,
2026-08-26 07:45,
2026-08-26 15:45,
2026-08-26 23:45,
2026-08-27 07:45,
2026-08-27 15:45,
2026-08-27 23:45,
2026-08-28 07:45,
2026-08-28 15:45,
2026-08-28 23:45,
2026-08-29 07:45,
2026-08-29 15:45,
2026-08-29 23:45,
2026-08-30 07:45,
2026-08-30 15:45,
2026-08-30 23:45,
2026-08-31 07:45,
2026-08-31 15:45,
2026-08-31 23:45,
2026-09-01 07:45,
2026-09-01 15:45,
2026-09-01 23:45,
2026-09-02 07:45,
2026-09-02 15:45,
2026-09-02 23:45,
2026-09-03 07:45,
2026-09-03 15:45,
2026-09-03 23:45,
2026-09-04 07:45,
2026-09-04 15:45,
2026-09-04 23:45,
2026-09-05 07:45,
2026-09-05 15:45,
2026-09-05 23:45,
2026-09-06 07:45,
2026-09-07 15:45,
2026-09-07 23:45,
2026-09-08 07:45,
2026-09-08 15:45,
2026-09-08 23:45,
2026-09-09 07:45,
2026-09-09 15:45,
2026-09-09 23:45,
2026-09-10 07:45,
2026-09-10 15:45,
2026-09-10 23:45,
2026-09-11 07:45,
2026-09-11 15:45,
2026-09-11 23:45,
2026-09-12 07:45,
2026-09-12 15:45,
2026-09-12 23:45
Spamhaus SBL CSS
50.6.172.21 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:
2026-09-16 16:16:54.588000
Was present on blacklist at:
2026-09-16 16:16
