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216.255.21.17

Recent Activity

Abuse Confidence Score

4% Caution

1 report

1 reporter · latest 1 hour ago

ISP: Horizon Telcom Inc.
Usage Type: Fixed Line ISP
ASN: AS394708
Hostname(s): chil-adsl4-cs-1-16.dsl.bright.net
Domain Name: horizontel.com
Country: 🇺🇸 United States of America
City: Chillicothe, Ohio

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

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Abuse Reports

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Total reports

1 from 1 distinct reporter

Most recent report

1 hour ago

Last 60 days

Top reporter locations 🇨🇿 Czechia 1

Most common categories Exploited Host 1 Brute-Force 1

Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇿 unhfree.net	2026-11-12 21:36:01 UTC · (1 hour ago)	Nov 12 22:36:00 canopus postfix/smtpd[4125773]: NOQUEUE: reject: RCPT from chil-adsl4-cs-1-16.dsl.bright.net[216.255.21.17]: 554 5.7.1 Service unavailable; Client host [216.255.21.17] blocked using zen.spamhaus.org; Listed by CSS, see https://check.s ... show more Nov 12 22:36:00 canopus postfix/smtpd[4125773]: NOQUEUE: reject: RCPT from chil-adsl4-cs-1-16.dsl.bright.net[216.255.21.17]: 554 5.7.1 Service unavailable; Client host [216.255.21.17] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/216.255.21.17; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<googlemail.com> Nov 12 22:36:00 canopus postfix/smtpd[4125773]: NOQUEUE: reject: RCPT from chil-adsl4-cs-1-16.dsl.bright.net[216.255.21.17]: 554 5.7.1 Service unavailable; Client host [216.255.21.17] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spamhaus.org/query/ip/216.255.21.17; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<googlemail.com> Nov 12 22:36:00 canopus postfix/smtpd[4125773]: NOQUEUE: reject: RCPT from chil-adsl4-cs-1-16.dsl.bright.net[216.255.21.17]: 554 5.7.1 Service unavailable; Client host [216.255.21.17] blocked using zen.spamhaus.org; Listed by CSS, see https://check.spa ... show less	Brute-Force Exploited Host

Think this IP has been falsely reported? You may request to have the associated reports reviewed and removed. Request Takedown

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