IP address

Passive DNS

Tags: IP in hostname Login attempts

IP blacklists

Spamhaus SBL CSS

45.136.131.55 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: 2026-03-30 18:05:10.247000
Was present on blacklist at: 2026-03-16 18:05, 2026-03-30 18:05

Spamhaus XBL CBL

45.136.131.55 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: 2026-03-30 18:05:10.247000
Was present on blacklist at: 2026-03-16 18:05, 2026-03-23 18:05, 2026-03-30 18:05

blocklist.de IMAP

45.136.131.55 is listed on the blocklist.de IMAP blacklist.

Description: Blocklist.de feed is a free and voluntary service<br>provided by a Fraud/Abuse-specialist. IPs performing attacks<br>on the Service imap, sasl, pop3.
Type of feed: primary (feed detail page)

Last checked at: 2026-03-18 17:05:00.401000
Was present on blacklist at: 2026-03-16 23:05, 2026-03-17 05:05, 2026-03-17 11:05, 2026-03-17 17:05, 2026-03-17 23:05, 2026-03-18 05:05, 2026-03-18 11:05, 2026-03-18 17:05

blocklist.de mail

45.136.131.55 is listed on the blocklist.de mail blacklist.

Description: Blocklist.de feed is a free and voluntary service provided<br>by a Fraud/Abuse-specialist. IPs performing Mail attacks.
Type of feed: primary (feed detail page)

Last checked at: 2026-03-18 17:05:00.306000
Was present on blacklist at: 2026-03-16 23:05, 2026-03-17 05:05, 2026-03-17 11:05, 2026-03-17 17:05, 2026-03-17 23:05, 2026-03-18 05:05, 2026-03-18 11:05, 2026-03-18 17:05

SpamCop

45.136.131.55 is listed on the SpamCop blacklist.

Description: The SpamCop Blocking List (SCBL) lists IP addresses which have transmitted reported email to SpamCop users.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-03-30 18:05:10.247000
Was present on blacklist at: 2026-03-23 18:05, 2026-03-30 18:05

UCEPROTECT L1

45.136.131.55 is listed on the UCEPROTECT L1 blacklist.

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

Last checked at: 2026-04-03 15:45:01.318000
Was present on blacklist at: 2026-03-28 08:45, 2026-03-28 16:45, 2026-03-29 00:45, 2026-03-29 07:45, 2026-03-29 15:45, 2026-03-29 23:45, 2026-03-30 07:45, 2026-03-30 15:45, 2026-03-30 23:45, 2026-03-31 07:45, 2026-03-31 15:45, 2026-03-31 23:45, 2026-04-01 07:45, 2026-04-01 15:45, 2026-04-01 23:45, 2026-04-02 07:45, 2026-04-02 15:45, 2026-04-02 23:45, 2026-04-03 07:45, 2026-04-03 15:45

Threat categories

TL	Role	Category	Details
42	src	—
38	src	login	protocol: smtp port: 25

Warden events (12)

2026-03-31: IntrusionUserCompromise (node.cfb4f7): 2
2026-03-21: AttemptLogin (node.ce2b59): 1
2026-03-19: IntrusionUserCompromise (node.cfb4f7): 1
2026-03-18: IntrusionUserCompromise (node.cfb4f7): 2
2026-03-16: IntrusionUserCompromise (node.cfb4f7): 6

Origin AS: AS18978 - ENZUINC-US
BGP Prefix: 45.136.130.0/23
geo: United States, Redondo Beach; 🕑 America/Los_Angeles
hostname: 55.131-136-45.rdns.scalabledns.com
hostname_class: ['ip_in_hostname']
Address block ('inetnum' or 'NetRange' in whois database): 45.136.128.0 - 45.136.131.255
last_activity: 2026-03-31 10:27:03
last_warden_event: 2026-03-31 10:27:03
rep: 0.03214285714285715
reserved_range: 0
Shodan's InternetDB: Open ports: 22, 8443, 9100, 10250; Tags: devops, proxy, eol-os; CPEs: cpe:/o:canonical:ubuntu_linux, cpe:/a:squid-cache:squid:6.13, cpe:/a:openbsd:openssh:9.6p1
ts_added: 2026-03-16 18:05:08.821000
ts_last_update: 2026-04-05 18:05:10.182000

Warden event timeline

DShield event timeline

Presence on blacklists