IP address


.000104.28.166.43
Shodan(more info)
Passive DNS
Tags:
IP blacklists
UCEPROTECT L1
104.28.166.43 is listed on the UCEPROTECT L1 blacklist.

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

Last checked at: 2026-05-21 23:45:00.609000
Was present on blacklist at: 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, 2026-05-21 23:45
Spamhaus XBL CBL
104.28.166.43 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: 2026-05-29 07:49:12.501000
Was present on blacklist at: 2026-05-01 07:49, 2026-05-08 07:49, 2026-05-15 07:49, 2026-05-22 07:49, 2026-05-29 07:49
spamhaus-pbl
104.28.166.43 is listed on the spamhaus-pbl blacklist.

Description:
Type of feed: (feed detail page)

Last checked at: 2026-05-29 07:49:12.501000
Was present on blacklist at: 2026-05-01 07:49, 2026-05-08 07:49, 2026-05-15 07:49, 2026-05-22 07:49, 2026-05-29 07:49
Spamhaus SBL CSS
104.28.166.43 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: 2026-05-29 07:49:12.501000
Was present on blacklist at: 2026-05-15 07:49, 2026-05-22 07:49
SpamCop
104.28.166.43 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: 2026-05-29 07:49:12.501000
Was present on blacklist at: 2026-05-22 07:49

Threat categories

TLRoleCategoryDetails
38 src login protocol: smtp
port: 25

Warden events (7)
2026-05-22
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-14
IntrusionUserCompromise (node.cfb4f7): 2
2026-05-03
IntrusionUserCompromise (node.cfb4f7): 3
Origin AS
AS13335 - CLOUDFLARENET
BGP Prefix
104.28.166.0/24
geo
United States, San Jose
🕑 America/Los_Angeles
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
104.16.0.0 - 104.31.255.255
last_activity
2026-05-22 10:34:44
last_warden_event
2026-05-22 10:34:44
rep
0.0003610939256170065
reserved_range
0
ts_added
2026-05-01 07:49:02.141000
ts_last_update
2026-06-04 07:49:10.409000

Warden event timeline

DShield event timeline

Presence on blacklists