IP address

Passive DNS

Tags: IP in hostname

IP blacklists: UCEPROTECT L1
13.143.139.41 is listed on the UCEPROTECT L1 blacklist.

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

Last checked at: 2026-08-06 07:45:00.652000
Was present on blacklist at: 2026-08-05 07:45, 2026-08-05 15:45, 2026-08-05 23:45, 2026-08-06 07:45
Spamhaus SBL CSS
13.143.139.41 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: 2026-08-05 07:52:06.616000
Was present on blacklist at: 2026-08-05 07:52
Spamhaus XBL CBL
13.143.139.41 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: 2026-08-05 07:52:06.616000
Was present on blacklist at: 2026-08-05 07:52

TL	Role	Category	Details
34	src	—

Origin AS: AS207513 - HOSTOFF
BGP Prefix: 13.143.139.0/24
geo: Poland, Warsaw; 🕑 Europe/Warsaw
hostname: 13-143-139-41.ptr.hostoff.net
hostname_class: ['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database): 13.140.0.0 - 13.143.255.255
rep: 0.1591035847462855
reserved_range: 0
Shodan's InternetDB: Open ports: 443; Tags: –; CPEs: –
ts_added: 2026-08-05 07:52:06.393000
ts_last_update: 2026-08-06 07:52:14.013000

Warden event timeline

DShield event timeline

Presence on blacklists