IP address

Search at other sites:
.00045.81.21.31server1.server-sz.com
Shodan(more info)
Passive DNS
Tags:
IP blacklists
Spamhaus SBL CSS
45.81.21.31 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: 2026-09-17 11:21:20.264000
Was present on blacklist at: 2026-09-10 11:21, 2026-09-17 11:21

Threat categories

TLRoleCategoryDetails
25 src —
Origin AS
AS204615 - ipfib-as
BGP Prefix
45.81.21.0/24
geo
United States
🕑 America/Chicago
hostname
server1.server-sz.com
Address block ('inetnum' or 'NetRange' in whois database)
45.81.20.0 - 45.81.23.255
last_activity
2026-09-01 00:00:00
rep
0.0
reserved_range
0
Shodan's InternetDB
Open ports: 21, 53, 80, 110, 143, 443, 587, 995, 2082, 2083, 2086, 2087, 2095, 2096
Tags: starttls
CPEs: cpe:/a:cpanel:cpanel, cpe:/a:exim:exim:4.99.5, cpe:/a:pureftpd:pure-ftpd
ts_added
2026-09-03 11:21:15.025000
ts_last_update
2026-09-19 11:21:20.481000

Warden event timeline

DShield event timeline

Presence on blacklists