IP address
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- IP blacklists
DataPlane TELNET login
172.221.21.52 is listed on the DataPlane TELNET login blacklist.
Description: DataPlane.org is a community-powered Internet data, feeds,<br>and measurement resource for operators, by operators. IPs trying<br>an unsolicited login via TELNET password authentication.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-10-05 02:10:01.634000
Was present on blacklist at:
2025-09-20 22:10,
2025-09-21 02:10,
2025-09-21 06:10,
2025-09-21 10:10,
2025-09-21 14:10,
2025-09-21 18:10,
2025-09-21 22:10,
2025-09-22 02:10,
2025-09-22 06:10,
2025-09-22 10:10,
2025-09-22 14:10,
2025-09-22 18:10,
2025-09-22 22:10,
2025-09-23 02:10,
2025-09-23 06:10,
2025-09-23 10:10,
2025-09-23 14:10,
2025-09-23 18:10,
2025-09-23 22:10,
2025-09-24 02:10,
2025-09-24 06:10,
2025-09-24 10:10,
2025-09-24 14:10,
2025-09-24 18:10,
2025-09-24 22:10,
2025-09-25 02:10,
2025-09-25 06:10,
2025-09-25 10:10,
2025-09-25 14:10,
2025-09-25 18:10,
2025-09-25 22:10,
2025-09-26 02:10,
2025-09-26 06:10,
2025-09-26 10:10,
2025-09-26 14:10,
2025-09-26 18:10,
2025-09-26 22:10,
2025-09-27 02:10,
2025-09-27 06:10,
2025-09-27 10:10,
2025-09-27 14:10,
2025-09-27 18:10,
2025-09-27 22:10,
2025-09-28 02:10,
2025-09-28 06:10,
2025-09-28 10:10,
2025-09-28 14:10,
2025-09-28 18:10,
2025-09-28 22:10,
2025-09-29 02:10,
2025-09-29 06:10,
2025-09-29 10:10,
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2025-09-29 22:10,
2025-09-30 02:10,
2025-09-30 06:10,
2025-09-30 10:10,
2025-09-30 14:10,
2025-09-30 18:10,
2025-09-30 22:10,
2025-10-01 02:10,
2025-10-01 06:10,
2025-10-01 10:10,
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2025-10-01 22:10,
2025-10-02 02:10,
2025-10-02 06:10,
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2025-10-02 22:10,
2025-10-03 02:10,
2025-10-03 06:10,
2025-10-03 10:10,
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2025-10-03 18:10,
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2025-10-04 06:10,
2025-10-04 10:10,
2025-10-04 14:10,
2025-10-04 18:10,
2025-10-04 22:10,
2025-10-05 02:10
Spamhaus XBL CBL
172.221.21.52 was recently listed on the Spamhaus XBL CBL blacklist, but currently it is not.
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:
2025-10-11 22:26:27.130000
Was present on blacklist at:
2025-09-20 22:26
Turris greylist
172.221.21.52 is listed on the Turris greylist blacklist.
Description: Greylist is the output of the Turris research project by CZ.NIC,<br>which collects data of malicious IPs.
Type of feed:
primary (
feed detail page)
Last checked at:
2025-09-29 21:15:00.159000
Was present on blacklist at:
2025-09-24 21:15,
2025-09-29 21:15
- Warden events (47)
- 2025-09-30
-
-
ReconScanning (node.9c1411): 1
- 2025-09-29
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-
ReconScanning (node.9c1411): 7
- 2025-09-28
-
-
ReconScanning (node.9c1411): 2
- 2025-09-27
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ReconScanning (node.9c1411): 4
- 2025-09-26
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ReconScanning (node.9c1411): 7
- 2025-09-25
-
-
ReconScanning (node.9c1411): 5
- 2025-09-24
-
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ReconScanning (node.9c1411): 8
- 2025-09-22
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ReconScanning (node.9c1411): 8
- 2025-09-21
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ReconScanning (node.9c1411): 5
- DShield reports (IP summary, reports)
- 2025-09-22
- Number of reports: 12
- Distinct targets: 4
- 2025-09-25
- Number of reports: 10
- Distinct targets: 5
- Origin AS
- AS20115 - CHARTER-NET-HKY-NC
- BGP Prefix
- 172.221.0.0/18
- geo
-
United States, Reno
- 🕑 America/Los_Angeles
- hostname
- syn-172-221-021-052.res.spectrum.com
- hostname_class
- ['ip_in_hostname']
- Address block ('inetnum' or 'NetRange' in whois database)
- 172.220.0.0 - 172.223.255.255
- last_activity
- 2025-09-30 00:02:29
- last_warden_event
- 2025-09-30 00:02:29
- rep
- 0.0023809523809523807
- reserved_range
- 0
- ts_added
- 2025-09-20 22:26:02.145000
- ts_last_update
- 2025-10-13 22:33:05.943000
Warden event timeline
DShield event timeline
Presence on blacklists
