IP address

Passive DNS

Tags: IP in hostname

IP blacklists: UCEPROTECT L1
72.11.138.155 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 15:45:00.527000
Was present on blacklist at: 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
Spamhaus SBL CSS
72.11.138.155 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: 2026-05-23 16:01:13.274000
Was present on blacklist at: 2026-05-23 16:01

TL	Role	Category	Details
42	src	—

Origin AS: AS36352 - AS-COLOCROSSING
BGP Prefix: 72.11.138.0/24
geo: United States; 🕑 America/Chicago
hostname: 72-11-138-155-host.colocrossing.com
hostname_class: ['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database): 72.11.136.0 - 72.11.143.255
rep: 0.2062994740159002
reserved_range: 0
Shodan's InternetDB: Open ports: 22, 587; Tags: starttls; CPEs: cpe:/a:openbsd:openssh:8.9p1, cpe:/o:canonical:ubuntu_linux
ts_added: 2026-05-23 16:01:13.089000
ts_last_update: 2026-05-28 16:01:24.722000

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Presence on blacklists