IP address

Passive DNS

Tags: Residential proxy

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

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

Last checked at: 2026-08-14 23:45:00.538000
Was present on blacklist at: 2026-08-11 15:45, 2026-08-11 23:45, 2026-08-12 07:45, 2026-08-12 15:45, 2026-08-13 07:45, 2026-08-13 15:45, 2026-08-13 23:45, 2026-08-14 07:45, 2026-08-14 15:45, 2026-08-14 23:45
Spamhaus SBL CSS
131.123.43.152 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: 2026-08-11 15:50:50.657000
Was present on blacklist at: 2026-08-11 15:50
Residential proxy info (data provided by Layer3 Intel): Last seen: 2026-07-13 10:32:45}; Percent days seen: 6 %; Networks: DATAIMPULSE, PROXY4U; Details: https://layer3intel.com/context/131.123.43.152

TL	Role	Category	Details
41	src	—

Origin AS: AS200019 - AlexHost
BGP Prefix: 131.123.43.0/24
geo: Bulgaria, Sofia; 🕑 Europe/Sofia
hostname: mail.honyablo.com
Address block ('inetnum' or 'NetRange' in whois database): 131.123.0.0 - 131.123.255.255
rep: 0.1591035847462855
reserved_range: 0
Shodan's InternetDB: Open ports: 21, 22, 25, 53, 80, 110, 143, 443, 465, 587, 993, 995, 2222, 10000, 20000; Tags: self-signed, starttls; CPEs: cpe:/a:apache:http_server, cpe:/a:postfix:postfix, cpe:/a:openbsd:openssh:8.2p1, cpe:/o:canonical:ubuntu_linux
ts_added: 2026-08-11 15:50:50.394000
ts_last_update: 2026-08-14 23:49:53.316000

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