IP address

Passive DNS

Tags:

IP blacklists: blocklist.de mail
51.158.242.247 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: 2026-09-10 10:05:00.517000
Was present on blacklist at: 2026-09-09 10:05, 2026-09-09 16:05, 2026-09-09 22:05, 2026-09-10 04:05, 2026-09-10 10:05
Spamhaus SBL CSS
51.158.242.247 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: 2026-09-09 10:10:37.212000
Was present on blacklist at: 2026-09-09 10:10

TL	Role	Category	Details
41	src	—

Origin AS: AS12876 - AS12876
BGP Prefix: 51.158.128.0/17
geo: Netherlands, Haarlem; 🕑 Europe/Amsterdam
hostname: mail-1043.infopcenter.info
Address block ('inetnum' or 'NetRange' in whois database): 51.158.0.0 - 51.159.255.255
rep: 0.1591035847462855
reserved_range: 0
Shodan's InternetDB: Open ports: 22, 25, 111, 465, 587; Tags: self-signed, starttls; CPEs: cpe:/a:openbsd:openssh:9.9
ts_added: 2026-09-09 10:10:37.173000
ts_last_update: 2026-09-10 10:10:41.244000

Warden event timeline

DShield event timeline

Presence on blacklists