IP address

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.000104.28.204.81
Shodan(more info)
Passive DNS
Tags:
IP blacklists
Spamhaus XBL CBL
104.28.204.81 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: 2026-05-29 05:00:10.329000
Was present on blacklist at: 2026-05-22 05:00
SpamCop
104.28.204.81 is listed on the SpamCop blacklist.

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 05:00:10.329000
Was present on blacklist at: 2026-05-22 05:00, 2026-05-29 05:00

Threat categories

TLRoleCategoryDetails
25 src login port: 25, 465, 587
Warden events (1)
2026-05-22
AttemptLogin (node.ce2b59): 1
Origin AS
AS13335 - CLOUDFLARENET
BGP Prefix
104.28.204.0/24
geo
Indonesia, Depok
🕑 Asia/Jakarta
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
104.16.0.0 - 104.31.255.255
last_activity
2026-05-22 03:32:24
last_warden_event
2026-05-22 03:32:24
rep
0.0001868017396484678
reserved_range
0
ts_added
2026-05-22 05:00:09.387000
ts_last_update
2026-06-04 05:00:11.210000

Warden event timeline

DShield event timeline

Presence on blacklists