IP address

Passive DNS

Tags: IP in hostname

IP blacklists: Spamhaus SBL CSS
172.245.223.56 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: 2026-10-09 08:11:41.655000
Was present on blacklist at: 2026-09-04 08:11, 2026-09-18 08:11, 2026-09-25 08:11, 2026-10-09 08:11

TL	Role	Category	Details
No threat category tags assigned

Origin AS: AS36352 - AS-COLOCROSSING
BGP Prefix: 172.245.223.0/24
geo: United States, Los Angeles; 🕑 America/Los_Angeles
hostname: 172-245-223-56-host.colocrossing.com
hostname_class: ['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database): 172.245.0.0 - 172.245.255.255
last_activity: 2026-07-05 00:00:00
rep: 0.0
reserved_range: 0
ts_added: 2026-08-28 08:11:34.732000
ts_last_update: 2026-10-14 08:11:40.813000

Warden event timeline

DShield event timeline

Presence on blacklists