IP address
Tags:
IP in hostname
Static IP
- IP blacklists
DataPlane SMTP data
5.223.64.21 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:
2026-01-30 03:10:00.810000
Was present on blacklist at:
2026-01-23 03:10,
2026-01-23 07:10,
2026-01-23 11:10,
2026-01-23 15:10,
2026-01-23 19:10,
2026-01-23 23:10,
2026-01-24 03:10,
2026-01-24 07:10,
2026-01-24 11:10,
2026-01-24 15:10,
2026-01-24 19:10,
2026-01-24 23:10,
2026-01-25 03:10,
2026-01-25 07:10,
2026-01-25 11:10,
2026-01-25 15:10,
2026-01-25 19:10,
2026-01-25 23:10,
2026-01-26 03:10,
2026-01-26 07:10,
2026-01-26 11:10,
2026-01-26 15:10,
2026-01-26 19:10,
2026-01-26 23:10,
2026-01-27 03:10,
2026-01-27 07:10,
2026-01-27 11:10,
2026-01-27 15:10,
2026-01-27 19:10,
2026-01-27 23:10,
2026-01-28 03:10,
2026-01-28 07:10,
2026-01-28 11:10,
2026-01-28 15:10,
2026-01-28 19:10,
2026-01-28 23:10,
2026-01-29 03:10,
2026-01-29 07:10,
2026-01-29 11:10,
2026-01-29 15:10,
2026-01-29 19:10,
2026-01-29 23:10,
2026-01-30 03:10
Spamhaus SBL CSS
5.223.64.21 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:
2026-01-30 03:10:40.861000
Was present on blacklist at:
2026-01-23 03:10
- Origin AS
- AS215859 - HETZNER-CLOUD4-AS
- BGP Prefix
- 5.223.64.0/24
- geo
-
Singapore, Singapore
- 🕑 Asia/Singapore
- hostname
- static.21.64.223.5.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
- ts_added
- 2026-01-23 03:10:30.755000
- ts_last_update
- 2026-01-30 03:10:40.908000
Warden event timeline
DShield event timeline
Presence on blacklists
