IP address


.00013.143.137.50
Shodan(more info)
Passive DNS
Tags:
IP blacklists
UCEPROTECT L1
13.143.137.50 was recently listed on the UCEPROTECT L1 blacklist, but currently it is not.

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

Last checked at: 2026-11-13 00:45:00.581000
Was present on blacklist at: 2026-11-06 08:45, 2026-11-06 16:45, 2026-11-07 00:45, 2026-11-07 08:45, 2026-11-07 16:45, 2026-11-08 00:45, 2026-11-08 08:45, 2026-11-08 16:45, 2026-11-09 00:45, 2026-11-09 08:45, 2026-11-09 16:45, 2026-11-10 00:45, 2026-11-10 08:45, 2026-11-10 16:45, 2026-11-11 00:45, 2026-11-11 08:45, 2026-11-11 16:45, 2026-11-12 00:45, 2026-11-12 08:45, 2026-11-12 16:45, 2026-11-13 00:45
Spamhaus SBL CSS
13.143.137.50 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: 2026-11-13 08:50:13.549000
Was present on blacklist at: 2026-11-06 08:50

Threat categories

TLRoleCategoryDetails
40 src —

Origin AS
AS207957 - ServHost-AS
BGP Prefix
13.143.137.0/24
geo
United States
🕑 America/Chicago
hostname
(null)
Address block ('inetnum' or 'NetRange' in whois database)
13.140.0.0 - 13.143.255.255
rep
0.0
reserved_range
0
Shodan's InternetDB
Open ports: 25, 53, 465, 993, 3389, 8443
Tags: self-signed, starttls
CPEs: cpe:/a:postfix:postfix
ts_added
2026-11-06 08:50:05.084000
ts_last_update
2026-11-15 08:50:10.295000

Warden event timeline

DShield event timeline

Presence on blacklists