Check an IP Address, Domain Name, Subnet, or ASN

221.199.73.24 was found in our database!

$ whois 221.199.73.24

country·🇨🇳 China

isp·CHINA UNICOM China169 Backbone

asn·AS4837

network·Standard

$ sikker risk 221.199.73.24scoring →

confidence

26%Low

first_seen·Mar 25, 2026

last_seen·1h ago

sessions·1

events·1

$ sikker protocols 221.199.73.24

SMTP

1 / 1

$ sikker summary 221.199.73.24

221.199.73.24 has a threat confidence score of 26%. This IP address from China (AS4837, CHINA UNICOM China169 Backbone) has been observed in 1 honeypot sessions targeting SMTP protocols. First observed on March 25, 2026, most recently active March 25, 2026.

$ sikker primitives 221.199.73.24

smtp_ehlo_greeting1

$ sikker related 221.199.73.24

🇨🇳·More threats fromChina→AS·More threats fromCHINA UNICOM China169 Backbone→SMTP·More threats targetingSMTP→{ }·Browse allAttack Patterns→

Report IP WHOIS Lookup →

IP Address	Confidence	Events
116.176.58.14	22%	6
218.25.233.22	55%	567
43.248.109.104	25%	5
123.188.239.222	97%	2,796
42.48.38.250	25%	3

IP Address	Confidence	Events
139.224.112.216	83%	12,458
47.105.86.190	83%	37,442
116.176.58.14	22%	6
112.46.214.18	98%	2,673
222.85.76.219	63%	315