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ip

121.28.170.66

Medium · 302 reports
CNChina
Organization:
ChinaUnicom Hostmaster
Network:
UNICOM-HE
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Instant verdict

SUSPICIOUS

30/100

Community risk score

121.28.170.66 is an IP address with 2 abuse reports from 1 distinct reporter, submitted between 07/26/2026 and 07/26/2026. The AbuseTrack community rates it as Medium risk, with a score of 30/100. The most frequently reported threat categories are Brute Force.

How scoring works About

2

Reports

1

Reporters

07/26/2026

First seen

07/26/2026

Last seen

Threat type

Brute Force2

Intelligence

CN

Country

China (CN)

WHOIS (RDAP)

Country
China
Location
Chengde, Hebei
Network
UNICOM-HE
Handle
121.28.0.0 - 121.29.255.255
Range
121.28.0.0 - 121.29.255.255
Organization
ChinaUnicom Hostmaster
Abuse contact
zhaoyz3@chinaunicom.cn

Reverse DNS

PTR
hebei.28.121.in-addr.arpa

Report history (2)

Brute Force07/26/2026, 11:32 PM · michaelortnerit

fail2ban: SSH (sshd) brute-force — 5 failed attempts (jail: sshd)

Brute Force07/26/2026, 11:13 PM · michaelortnerit

fail2ban: SSH (sshd) brute-force — 5 failed attempts (jail: sshd)