IP address


.15974.208.173.3smtp.domain.com
Shodan(more info)
Passive DNS
Tags:
IP blacklists
UCEPROTECT L1
74.208.173.3 is listed on the UCEPROTECT L1 blacklist.

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

Last checked at: 2026-05-28 23:45:00.545000
Was present on blacklist at: 2026-05-19 23:45, 2026-05-20 07:45, 2026-05-20 15:45, 2026-05-20 23:45, 2026-05-21 07:45, 2026-05-21 15:45, 2026-05-22 07:45, 2026-05-23 15:45, 2026-05-23 23:45, 2026-05-24 07:45, 2026-05-24 15:45, 2026-05-24 23:45, 2026-05-25 07:45, 2026-05-25 15:45, 2026-05-25 23:45, 2026-05-26 07:45, 2026-05-26 15:45, 2026-05-26 23:45, 2026-05-27 07:45, 2026-05-27 15:45, 2026-05-27 23:45, 2026-05-28 07:45, 2026-05-28 15:45, 2026-05-28 23:45
Spamhaus SBL CSS
74.208.173.3 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: 2026-05-27 00:01:11.334000
Was present on blacklist at: 2026-05-20 00:01, 2026-05-27 00:01
PSBL
74.208.173.3 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: 2026-05-30 15:45:00.224000
Was present on blacklist at: 2026-05-22 07:45, 2026-05-23 15:45, 2026-05-23 23:45, 2026-05-24 07:45, 2026-05-24 15:45, 2026-05-24 23:45, 2026-05-25 07:45, 2026-05-25 15:45, 2026-05-25 23:45, 2026-05-26 07:45, 2026-05-26 15:45, 2026-05-26 23:45, 2026-05-27 07:45, 2026-05-27 15:45, 2026-05-27 23:45, 2026-05-28 07:45, 2026-05-28 15:45, 2026-05-28 23:45, 2026-05-29 07:45, 2026-05-29 15:45, 2026-05-29 23:45, 2026-05-30 07:45, 2026-05-30 15:45

Threat categories

TLRoleCategoryDetails
41 src
41 src spam

Origin AS
AS8560 - ONEANDONE-AS
BGP Prefix
74.208.0.0/16
geo
United States
🕑 America/Chicago
hostname
smtp.domain.com
Address block ('inetnum' or 'NetRange' in whois database)
74.208.0.0 - 74.208.255.255
rep
0.1591035847462855
reserved_range
0
Shodan's InternetDB
Open ports: 22
Tags:
CPEs: cpe:/a:openbsd:openssh:8.7
ts_added
2026-05-20 00:01:09.001000
ts_last_update
2026-05-30 15:49:25.233000

Warden event timeline

DShield event timeline

Presence on blacklists