IP address
Tags:
Static IP
IP in hostname
- IP blacklists
DataPlane SMTP data
5.223.61.21 is listed on the DataPlane SMTP data blacklist.
Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IP addresses that <br>have been identified as SMTP clients sending unsolicited DATA commands.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-12-20 07:10:05.612000
Was present on blacklist at:
2025-12-16 15:10,
2025-12-16 19:10,
2025-12-17 03:10,
2025-12-17 07:10,
2025-12-17 11:10,
2025-12-17 15:10,
2025-12-17 19:10,
2025-12-17 23:10,
2025-12-18 03:10,
2025-12-18 07:10,
2025-12-18 11:10,
2025-12-18 15:10,
2025-12-18 19:10,
2025-12-18 23:10,
2025-12-19 03:10,
2025-12-19 07:10,
2025-12-19 11:10,
2025-12-19 15:10,
2025-12-19 19:10,
2025-12-19 23:10,
2025-12-20 03:10,
2025-12-20 07:10
Spamhaus SBL CSS
5.223.61.21 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:
2025-12-16 15:10:31.368000
Was present on blacklist at:
2025-12-16 15:10
- Origin AS
- AS215859 - HETZNER-CLOUD4-AS
- BGP Prefix
- 5.223.61.0/24
- geo
-
Singapore, Singapore
- 🕑 Asia/Singapore
- hostname
- static.21.61.223.5.clients.your-server.de
- hostname_class
- ['ip_in_hostname', 'static']
- Address block ('inetnum' or 'NetRange' in whois database)
- 5.223.0.0 - 5.223.127.255
- reserved_range
- 0
- Shodan's InternetDB
- Open ports: 22, 5555
- Tags: –
- CPEs: cpe:/a:openbsd:openssh:9.6p1, cpe:/o:canonical:ubuntu_linux
- ts_added
- 2025-12-16 15:10:31.209000
- ts_last_update
- 2025-12-20 07:10:33.124000
Warden event timeline
DShield event timeline
Presence on blacklists
