IP address

Passive DNS

Tags:

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

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

Last checked at: 2025-09-15 07:45:00.889000
Was present on blacklist at: 2025-09-02 07:45, 2025-09-02 15:45, 2025-09-02 23:45, 2025-09-03 07:45, 2025-09-03 15:45, 2025-09-03 23:45, 2025-09-04 07:45, 2025-09-04 15:45, 2025-09-04 23:45, 2025-09-05 07:45, 2025-09-05 15:45, 2025-09-05 23:45, 2025-09-06 07:45, 2025-09-06 15:45, 2025-09-06 23:45, 2025-09-07 07:45, 2025-09-07 15:45, 2025-09-07 23:45, 2025-09-08 07:45, 2025-09-08 15:45, 2025-09-08 23:45, 2025-09-11 07:45, 2025-09-11 15:45, 2025-09-11 23:45, 2025-09-12 07:45, 2025-09-12 15:45, 2025-09-12 23:45, 2025-09-13 07:45, 2025-09-13 15:45, 2025-09-13 23:45, 2025-09-14 07:45, 2025-09-14 15:45, 2025-09-14 23:45, 2025-09-15 07:45
Spamhaus SBL CSS
216.231.28.221 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: 2025-09-09 07:58:42.777000
Was present on blacklist at: 2025-09-02 07:58, 2025-09-09 07:58

Origin AS: AS22773 - ASN-CXA-ALL-CCI-22773-RDC
BGP Prefix: 216.231.16.0/20
geo: United States, Mission Viejo; 🕑 America/Los_Angeles
hostname: smtp.sonnetnews.com
Address block ('inetnum' or 'NetRange' in whois database): 216.231.0.0 - 216.231.31.255
reserved_range: 0
Shodan's InternetDB: Open ports: 25, 80, 143, 587, 993; Tags: starttls; CPEs: cpe:/a:postfix:postfix, cpe:/a:apache:http_server:2.4.33, cpe:/o:unix:unix
ts_added: 2025-09-02 07:58:39.436000
ts_last_update: 2025-09-15 07:58:43.449000

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